PHYSICS
PhylicsLab problems, tests, explanations, etc...
August 12, 2015
First day of school
PHYSICS 101 INTRODUCTORY PHYSICS
Chapter 1 Physics the Fundamental Science
Chapter 11 Heat Engines & the 2nd Law of Thermodynamics
Chapter 2 Describing Motion
Chapter 12 Electrostatic Phenomena
Chapter 3 Falling Objects and Projectile Motion
Chapter 13 Electric Circuits
Chapter 4 Newton's Laws: Explaining Motion
Chapter 14 Magnets and Electromagnetism
Chapter 5 Circular Motion, the Planets, and Gravity
Chapter 15 Making Waves
Chapter 6 Energy and Oscillations
Chapter 16 Light Waves and Color
Chapter 7 Momentum and Impulse
Chapter 18 The Structure of the Atom
Chapter 10 Heat and Temperature
Chapter 19 The Nucleus and Nuclear Energy
Equation sheet for chapters 1-4
Equation sheet for chapters 4, 6, and 7
Equation sheet for chapters 10-14
Chapter 1 Physics the Fundamental Science
Chapter 11 Heat Engines & the 2nd Law of Thermodynamics
Chapter 2 Describing Motion
Chapter 12 Electrostatic Phenomena
Chapter 3 Falling Objects and Projectile Motion
Chapter 13 Electric Circuits
Chapter 4 Newton's Laws: Explaining Motion
Chapter 14 Magnets and Electromagnetism
Chapter 5 Circular Motion, the Planets, and Gravity
Chapter 15 Making Waves
Chapter 6 Energy and Oscillations
Chapter 16 Light Waves and Color
Chapter 7 Momentum and Impulse
Chapter 18 The Structure of the Atom
Chapter 10 Heat and Temperature
Chapter 19 The Nucleus and Nuclear Energy
Equation sheet for chapters 1-4
Equation sheet for chapters 4, 6, and 7
Equation sheet for chapters 10-14
Science questions with surprising answers- Physics Questions
- As light from a star spreads out and weakens, do gaps form between the photons?
- Can a fire have a shadow?
- Can air make shadows?
- Can gold be created from other elements?
- Can light bend around corners?
- Can momentum be hidden to human eyes like how kinetic energy can be hidden as heat?
- Can one bit of light bounce off another bit of light?
- Can radio antennas emit visible light?
- Can sound waves generate heat?
- Can the decay half-life of a radioactive material be changed?
- Can you go fast enough to get enough mass to become a black hole?
- Can you make a shock wave of light by breaking the light barrier just like supersonic airplanes break the sound barrier?
- Can you make a sunset in a cup of milk?
- Could electronic devices charge themselves without being plugged into an electricity source?
- Could scientists perfectly simulate the entire universe in a computer, down to the last atom?
- Do atoms ever actually touch each other?
- Do flames contain plasma?
- Does a source of electricity ever run out of electrons?
- Does an atom have a color?
- Does an electron in an atom move at all?
- Does the negative mass of antimatter mean that it's gravitationally repelled from stars?
- Does time go faster at the top of a building compared to the bottom?
- How bad would a person's injuries be if an elevator's cables snapped at the 100th floor so that the elevator fell to the bottom?
- How can a clear object be transparent and visible at the same time?
- How can a material at a certain temperature have all of its molecules at the same energy?
- How can an electron leap between atomic levels without passing through all the space in between?
- How can it be so hard to drag rubber across smooth glass if friction is caused by surface roughness?
- How can we travel to the past?
- How did Archimedes use mirrors to burn up invaders' ships?
- How do airplanes fly upside down if it's the shape of the wings that make them fly?
- How do free energy machines work?
- How do levers create energy if the conservation of energy does not allow energy to be created?
- How do projectors project the color black?
- How do scientists cool objects to absolute zero?
- How do tractor beams work?
- How do you focus regular light to make it a laser beam?
- How do you make a one-photon-thick beam of light?
- How does a microwave oven heat up food even though it emits no thermal radiation?
- How does a penny left on the track derail a train?
- How does a photon accelerate to light speed so quickly?
- How does quantum theory allow a rock to turn suddenly into a duck?
- How does sound going slower in water make it hard to talk to someone underwater?
- How high does a building have to be for a penny dropped from the top to kill a person on the ground?
- How is a magnetic field just an electric field with relativity applied?
- How long can you use a cell phone before getting a brain tumor?
- If I hammered and flattened a penny enough, could I cover the entire earth with it?
- If I'm on an elevator that breaks loose and plummets down the shaft, can I avoid harm by jumping at the last second?
- Is it possible to create magnetic waves?
- Is light a particle or a wave?
- Is metal a good heat shield?
- Is there any difference between antimatter, dark matter, dark energy, and degenerate matter?
- Light has no mass so it also has no energy according to Einstein, but how can sunlight warm the earth without energy?
- Since gravity is unlimited, can we use it as an infinite energy source?
- What are some other ways to save energy in a car besides turning off the air conditioner and rolling down the windows?
- What did Schrodinger's Cat experiment prove?
- What is the shape of an electron?
- What is the speed of dark?
- What is the speed of electricity?
- What is the speed of gravity?
- What is the strongest magnetic field possible? Is there a limit?
- What keeps a bicycle balanced?
- What makes heat rise?
- What makes radioactive atoms get old so quickly and decay?
- What makes the light waves in laser light parallel?
- What psychological effect makes notes on a piano that are an octave apart sound the same?
- What stops a piece of paper from being folded more than seven times?
- What would happen if you drove your car close to the speed of light and turned on the headlights?
- When does a light beam have only a single frequency?
- When I bump one end of a long metal bar, the other end instantaneously moves. Can I use this to send messages faster than light?
- When I sit by a campfire, how does its hot air heat me?
- When I step out of the shower, what makes the tile floor so much colder than the bathroom mat?
- Why are all metals magnetic?
- Why are sound waves invisible?
- Why are the microwaves in a microwave oven tuned to water?
- Why are there only six fundamental colors: red, orange, yellow, green, blue, and violet?
- Why can't flat lenses focus light?
- Why do diamonds last forever?
- Why do mirrors flip left to right and not up to down?
- Why do quantum effects only happen on the atomic scale?
- Why does a rainbow contain a pure spread of spectral colors?
- Why does a rainbow exist only in a narrow band?
- Why does air friction affect a car's gas mileage?
- Why does lightning push electricity through air, but common batteries do not?
- Why does my room get dark when I turn the lights off even if my window is shut?
- Why does water make a shirt darker?
- Why doesn't light carry momentum?
- Why doesn't my laptop emit radiation?
- Why don't atoms collapse if they are mostly empty space?
- Why don't electrons in the atom enter the nucleus?
- Why don't I feel the miles of air above me that are crushing me down?
- Why don't scientists use fractal concepts more considering that fractals are everywhere?
- Why is a 12-volt household battery harmless, but the shock from a 12-volt car battery will kill you?
- Why is light pure energy?
- Why is physics scale invariant?
- Why is the centrifugal force talked about so much if it's not real?
- Why is the lowest temperature called absolute zero if it's relative to the frame of reference?
- Why is time frozen from light's perspective?
- Why was color invented by humans?
- Why were electrons chosen to be negatively charged? Wouldn't it make more sense to call electrons positively charged because when they move they make electricity?
- Why will a delivery truck filled with birds sitting on its floor be heavier than a truck with the same birds flying around inside.
CRASH COURSE PHYSICS
- Motion in a Straight Line: - 10:40
- Derivatives: 10:02
- Integrals: - 10:09
- Vectors and 2D Motion: 10:06
- Newton's Laws: 11:04
- Friction: - 10:59
- Uniform Circular Motion: - 9:54
- Newtonian Gravity: - 9:20
- Work, Energy, and Power: - 9:55
- Collisions: - 9:21
- Rotational Motion: - 8:56
- Torque: 8:03
- Statics: - 9:08
- Fluids at Rest: - 9:59
- Fluids in Motion: - 9:47
- Simple Harmonic Motion: - 9:11
- Traveling Waves: - 7:45
- Sound: - 9:39
- The Physics of Music: - 10:35
- Temperature: - 9:00
MINUTE PHYSICS
|
51. Picture of the Big Bang
52. Tour of the map of the Big Bang 53. Open letter to the universe 54. MinutePhysics Birthday 55. The Higgs Boson, Part I 56. The Higgs Boson, Part II 57. To London 58. The Higgs Boson, Part III 59. The most burly hurls 60. London bridge was sold to the US? 61. Usain Bolt vs gravity 62. What is the earth were hollow? 63. How to simulate the universe on laptop 64. Simulation of universe 65. Simulating Universe in after effects 66. Is racewalking a sport? 67. Why is it dark at night? 68. Real world telekinesis 69. 2012: How do we see light? 70. The origin of quantum mechanics 71. E=mc² is incomplete 72. Can we predict everything? 73. Open letter to the president 74. What is touch? 75. Does the universe have a purpose? 76. Common physics misconceptions- 2:4I 77. Is there poop on the moon? 78. Is it better to walk or run in the rain? 79. Top 10 reasons earth is round 80. Another physics misconception 81. Immovable object vs unstoppable force 82. The best science online 83. What is the universe? 84. How big is the universe? 85. outube video vs. the universe 86. The true science of parallel universes 87. Parallel universes: Many worlds 88. Minute Earth 89. Foiled proof 90. Confessions of a youtuber 91. The order of operations is wrong 92. Can humans really feel temperature? 93. How to turn sound into light 94. Where is the true north pole? 95. Do we expand with the universe? 97. Science, religion, and the big bang 98. Where was the big bang? 99. Magnets: How do they work? 100. How to destroy a magnet 101. Magnetic levitation |
102. 3 simple ways to time travel
103. What is sea level? 104. Why the full moon is better in winter 105. Why is solar system flat? 106. Evolution vs. Natural selection 107. How modern light bulbs work 108. A polarizing discovery about big bang 109. Relativity isn't relative 110. How to see without glasses 111. Is the universe mathematical? 112. How far can legolas see? 113. Why are stars star-shaped? 114. Antimatter explained 115. How to draw a stick figure 116. Why is the sun yellow and the sky blue? 117. This is not a rainbow 118. Why isn't the sky purple? 119. Solution to the impossible bet 120. An impossible bet 121. Why is it harder to drive backwards? 122. How airplanes are made 123. How airplanes are made 124. Proof of conservation of energy 125. Astronomically correct twinkle twinkle 126. What is angular momentum? 127. Computer color is broken 128. How do airplanes fly? 129. How big is the sun? 130. How to subtract by adding 131. Why raindrops are impossible 132. Why raindrops are impossible 133. Upside down mountains in real life 134. Upside down mountains in real life 135. How to detect a secret nuclear test 136. A brief history of everything 137. Why its impossible to tune a piano 138. How to go to space 139. The physics of crashes 140. Why December has the longest days 141. How to discover weird new particles 142. Transporters and quantum teleportation 143. Why are airplane engines so big? 144. Solution to the grandfather paradox |
ENERGY AND ENVIRONMENTAL NEWS
SCIENCE SCRAPBOOK
CHAPTER PRACTICE TESTS
STANDARDIZED PRACTICE TESTS
SELF-CHECK QUIZZES
WEB LINKS
PERSONAL TUTOR
|
- BRAINPOPS: ADHD, AIDS, Acceleration, Acids and Bases, Acne, Active Transport, Ada Lovelace, addiction, adolescence, adulthood, aging, agricultural revolution, air pollution, airbags, albert einstein, algae, allergies, aliens, alzheimer's disease, American Indians, amphibians, anne frank, anthrax, antibiotic resistance, ants, apollo project, appendix, arachnids, architecture, asexual reproduction, asteroids, asthma, atomic model, atoms, autism, autumn leaves, avalanches, avian flu, aztec civilization, babies, bacteria, balance, basic probability, bats, batteries, behavior, benjamin franklin, big bang, binary, biofuels, birds, black death, black holes, blood, blood glucose meter, blood pressure, blood types, body chemistry, body scans, body weight, boogers, braces, brain, bridges, broken bones, bruises, building basics, buoyancy, burns, CPR, caffeine, calculus, cameras, camouflage, cancer, carbohydrates, carbon cycle, carbon dating, carnivorous plants, cars, cats, cell phone, cell specialization, cell structures, cells, cellular respiration, cerebral palsy, Charles Darwin, chemical bonds, chemical equations, chicken pox, chocolate, circles, circulatory system, classification, climate change, climate types, cloning, cloud computing, clouds, cnidarians, color, comets, communism, compounds and mixtures, computer history, computer programming, computer viruses, computers, concept mapping, conditioning, conservation of mass, conserving energy, constellations, continents of the world, converting fractions to decimals, coordinate plane, coral, critical reasonong, crystals, cubism, current electricity, customary units, cystic fibrosis, DNA, dams, dark matter, data storage devices, daylight saving time, death, decimals, deserts, diabetes, diffusion, digestive system, digital animation, dinosaurs, distance, rate, and time, dogs, dolly the sheep, dolphins, dreams, droughts, duchenne muscular dystrophy, dyslexia, earth, earth's atmosphere, earth's structure, earthquakes, eating disorders, ebola, eclipse, ecosystems, egyptian pharaohs, elapsed time, electric circuits, electricity, electromagnetic induction, electromagnetic spectrum, electromagnets, elephants, endocrine system, energy pyramid, energy sources, erosion, estimating, everglades, exoplanets, exponents, extinction, eyes ,faces, factoring, fats, fetal development, fibonacci sequence, fire, fireworks, first aid, fish, flight, floods, flu & flu vaccine, food chains, food safety, force, forms of energy, fossil fuels, fossils, fractions, fuel cells, fungi, galaxies, galileo galilei, game theory, gas & oil, gears, genetic mutations, genetics, geography themes, geologic timedv, geometry, George Washington Carver, getting help, giant squid, gills, glaciers, global positioning system, gold rush, graphing linear equations, graphing and solving inequalities, graphs, gravity, great wall of china, greek gods, greenhouse effect, groundwater, growth, guns, hackers, hair, headaches, hearing heart, heat, helen keller, heredity, hibernation, hiccups, hiroshima & nagasaki, holocause, homeostasis, honeybees, hormones, horses, human body, human evolution, humans and tghe environment, humidity, hurricanes, hybrid cars, hydraulics, hyphens ad dashes, ice age, imagination, immune system, inca civilization, inclined plane, independent and dependent events, industrial revolution, inequalities, infancy, insects, international space station, internet, internet search, inuit, invertebrates, ions, isaac newton, isotopes, j.r.r. tolkien, Jane Goodall, joints, jupiter, juvenile idiopathic arthritis, kinetic energy kurt vonnegut, land biomes, lasers, latitude and longitude, leap year, leonardo da Vinci, levers, life cycle of stars, light, logic gates, lyme disease, lymphatic system, MP3, magnetism, mahatma gandhi, mammals, map skills, marie curie, mark twain, mars, matter changing states, maya civilization, mean, median, mode & range, measuring matter, melody and harmony, mercury, mesoamerica, metabolism, metals, metamorphosis, metric units, metric vs. customary, microscopes, middle ages, migration, milky way, mineral identification, mitosis, mixed numbers, moles, mollusks, monotremes, mood & tone, moon , moon phases, motherhood, mountains, mourning , multiple sclerosis, multiplying decimals, multiplying and dividing exponents, multiplying and dividing fractions, mummies, muscles, musical scales, nails, nanotechnology, natural disasters, natural resources, natural selection, neptune, nervous system, neurons, Newton's laws of motion, nikola tesla, nitrogen cycle, nobel prize, north pole, nuclear energy, nutrition, obesity, ocean currents, ocean floor, oceans, online sources, organic food, outer solar system, ozone layer, pandas, parallel structure, parallel & perpendicular lines, passive transport, pasteurization, pax romana, peak flow meter, penguins, percents, period, periodic table of elements, personal hygiene, photosynthesis, pi, plant growth, plastic, plate tectonics, pluto, pocahontas, poetry, pollination, polygons, polyhedrons, polynomials, population growth, potential energy, power, precision & accuracy, primates, prime numbers, printers, property changes, proportions, protists, protozoa, puberty, pulley, pythagorean theorem, RNA, Rachel Carson, radar, radio, radioactivity, railroad history, rainbows, ramadan, rational and irrational numbers, ratios, recycling, reducing fractions, refraction & diffraction, refrigerator, relativity, religion, reproductive system, reptiles, research, respiratory system, rivers, robots, rock cycle, roman numerals, roman republic, rounding, sars, sally ride, salt, satellites, saturn, savanna, scale drawing, science projects, scientific method, scoliosis, scopes monkey trial, sculpture, seasons, seed plants, seedless plants, seven wonders, sex determination, sharks, silk road, similar figures, six kingdoms, skeleton, skin, skyscrapers, slavery, sleep, slope & intercept, smallpox, smell, smoking, snowflakes, soil, solar energy, solar system, solstice & equinox, sound, south pole, space flight, spiders, spinal cord, sponges, square roots, standard & scientific notation, states of matter, static electricity, statistics, stem cells, steroids, stock market, stocks & shares, stress, strings, submarines, substance abuse, sumerians, sun, sun protection, swine flu, symbiosis, taiga, taste, tecumseh, teeth, telephone, telescopes, television, temperature, thomas edison, thunderstorms, tides, time zones, titanic, to kill a mockingbird, tornadoes, touch, trail of tears, transformation, tropical rainforests, tsunami, tundra, twins, two-step equations, types of rocks, types of triangles, underground railroad, underwater world, united nations, uranus, urinary system, using a calculator, vaccines, venus, vertebrates, video games, vietnam war, vikings, viruses, vision problems, vocals, voice, volcanoes, volume of cylinders, volume of prisms, Wangari Maathai, war, waste management, water, water cycle, water pollution, water supply, waves, weather, weathering, west nile virus, wheel & axle, wildfires, william shakespeare, wind, wind energy, winter holidays, woodwinds, work, world war I, world war II, world war II causes, wounded knee massacre, pH scale
- BRAINPOP ENGINEERING & TECHNICAL TOPICS: airport security, analog & digital recording, assembly line, bicycle safety, blogs, body scans, cd, cell phone, cloud computing, compass, computer mouse, computer programming, computer viruses, conflict resolution, copyright, cyberbullying, digital animation, digital etiquette, email & IM, fax machine, guns, hackers, information privacy, logic gates, media literacy, online safety, peer pressure, plagiarism, problem solving using tables, social networking, traditional animation,
- BRAINPOP HEALTH: Back to school, baseball, basketball, book report, ethics, football, getting help, olympics, peak flow meter, reading skills, setting goals, test preparation, vision problems
- BRAINPOP ARTS AND MUSIC: The Beatles, blues, brass instruments, clefs & time signatures, country music, dance, drama, drawing, Elvis Presley, filmmaking, frida kahlo, Georgia O'Keeffe, graphic design, harlem renaissance, hip-hop & rap, impressionism, jazz, latin music, literary genres, louis armstrong, ludwig van beethoven, michelangelo buonarroti, musical scales, painting, percussion, photography, pop art, portraits, reading music, scale drawing, sculpture, strings, surrealism, traditional animation, wolfgang amadeus mozart
- BRAINPOP MATH: Adam smith, adding & subtracting fractions, adding & subtracting integers, angles, area of polygons, associative property, binary, budgets, circles, commutative property, comparing prices, compound events, converting fractions to decimals, debt, distributive property, division, elapsed time, equations with variables, exponents, factoring, fractions, geometry, graphing & solving inequalities, graphing linear equations, graphs, independent & dependent events, interest, mixed numbers, mortgages, multiplication, multiplying & dividing exponents, multiplying & dividing fractions, multiplying decimals, order of operations, prime numbers, proportions, rational & irrational numbers, ratios, reducing fractions, roman numerals, similar figures, square roots, supply & demand, volume of cylinders, word problems,
- BRAINPOP ENGLISH: adjectives, adverbs, agatha christie, antonyms, synonyms & homonyms, biography, business letter, capitalization, charles dickens, citing sources, clauses, colons, conducting an interview, conjunctions, context clues, contractions, debate, diagramming sentences, dialogue, dictionary & thesaurus, edgar allan poe, emily dickinson, etymology, fact & opinion, five-paragraph essay, frankenstein, homer, hyphens & dashes, idioms & cliches, interjections, jack london, judy blue, kurt vonnegut lord of the flies, main idea, maya angelou, note-taking skills, nouns, outlines, pablo neruda, paraphrasing, parts of speech, personal pronouns, point of view, possessives, prepositional phrases, prewriting: choosing a topic, prewriting: organizing your thoughts, public speaking, punctuation, reading a newspaper, reading skills, ronald dahl, roots, prefixes, & suffixes, run-on sentences, semicolons, sentence fragments, show, now tell, similes & metaphors, strengthening sentences, subject & predicate, subject-verb agreement, tenses, they're, their, & there, types of sentences, types of writing, verbs & their objects, writing in sequence, writing process
- BRAINPOP SOCIAL STUDIES: Abraham Lincoln, Adolf Hitler, Amelia Earhart, American revolution, Andrew Jackson, apartheid, armed forces, articles of confederation, athens, aztec civilization, banking, Barack Obama, bass reeves, bill clinton, bill of rights, blues, branches of government, british empire, brown vs. board of education of topeka, causes of the american revolution, cesar chavez, che guevara, christopher columbus, citizenship, civil rights, civil war, civil war causes, cleopatra, cold war, columbian exchange, conquistadors, constitutional convention, court system, credit cards, declaration of independence, democracy, diwali, egyptian pharaohs, eleanor roosevelt, fall of the roman empire, feminism, feudalism, franklin d. roosevelt, frederick douglass, french & indian war, french revolution, george washington, gold rush, great depression, great depression causes, halloween, harlem renaissance, helen keller, henry hudson,how a bill becomes a law, immigration, industrial revolution, interest, iroquois confederacy, jackie robinson, hames madison, john adams, john f. kennedy, korean war, league of nations, lewis & clark, magna carta, malala, malcolm x, martin luther king jr., maya civilization, mexican revolution, mexican-american war, middle ages, miranda rights, money, mount everest, mourning, mummies, napoleon bonaparte, new deal, new year's oprah winfrey, ottoman empire, pele, pirates, pocahontas, political beliefs, political parties, political party origins, presidential election, presidential power, primaries & caucuses, queen elizabeth I, queen elizabeth II, ramadan, recession, reconstruction, religion, richard nixon, rise of the roman empire, ronald reagan, seminole wars, september 11th, simon bolivar, soccer, st. patrick's day, student rights, supply & demand, supreme court, terrorism, thanksgiving, theodore roosevelt, thirteen colonies, thomas jefferson, trials, u.s. constitution, voting, westward expansion, women's suffrage,
Sci Show: does hot water freeze faster than cold water? how to make a digital clock, what causes pins and needles, plants that keep themselves warm, how to escape quicksand, how to upload your mind, why do things look darker when they’re wet?, why do we wrinkle when wet?, 3 ways pi can explain practically everything, the science of that dress, music in your dna a new species of human,how dogs really listen to us, weird places: mexico’s largest crystal cave, blowholes and the smartphone morality experiment, the deepest hole in the world and what we’ve learned from it, how birds really see the world, great minds leonardo da vinci, nasa’s new frontier and the trouble with gravity, 3d printing and the northern walking stick insect, 3 big discoveries made by the international space station, the weird truth about arabic numerals, Pliny the elder great minds, weird places: Australia’s bright pink lake, telepathic rats and a red lord amazon, the times and troubles of the scientific method, why no giant mammals,human powered helicopters and a red fox, NASA needs you, the oldest star in the universe,is there gravity in space, space news from the future, what happens if your body is exposed to the vacuum of space, luna impact, 3 physics experiments that changed the world, the most sophisticated mirror in the universe, the end of everything, how to make a lemon battery, antarctica’s weird warming, Nikola Tesla Great minds, supersonic fretful and new element hankium, 3 ways to save earth from an asteroid, oxygen is killing you, bath salts, save tesla, the fibonacci sequence: nature’s code, human connector, hearing colors, seeing sounds: synesthesia, taboos of science, official government statement on mermaids, space elevators, higgs both discovery, electromagnetism- magnetic force the four fundamental, Electromagnetis- Electrostatic force- the four fundamental, absolute zero absolute awesome, liquid fluoride thorium reactors energy for the future, Heisenberg uncertainty principle, Gravitation: The four fundamental forces of physics, weak interaction: the four fundamental forces of physics, strong interaction: the four fundamental forces of physics, mass extinctions, weird diagnostics, schrodinger’s cat, dmitri mendeleev: great minds, space mining, Marie Curie: great minds, apocalypse how?, apocalypse averted, colossal squid and rocket to the sun, visiting the abyss, more high boson news, europa, cloaking devices, the mayan calendar and 2012, mind readings, exigencies, non-newtonian fluids and a bulletproof hoodie
Laboratory work
|
physicsworkandenergyworkbookwithnotesandquestions.pdf | |
File Size: | 1304 kb |
File Type: |
ed green.... nikola tesla, wilheilm reich,
free energy: they will kill you for developing it
The Universe Quantum Physics Microscopic Universe Full Documentary - 1:52.08
the electric universe and plasma -1 :20.36
nikola tesla the movie, the real story - 1:37.⁰⁸
free energy: they will kill you for developing it
The Universe Quantum Physics Microscopic Universe Full Documentary - 1:52.08
the electric universe and plasma -1 :20.36
nikola tesla the movie, the real story - 1:37.⁰⁸
AGENDA:
- Quantum Physics - The Hidden microscopic universe, new updated science - 44:02 (Seen Tuesday)
- The illusion of tie Alternate timelines parallel realities spectacular - 55:41 (Seen Wednesday)
- SPEED OF LIGHT = c = wavelength x frequency = 3 x 10⁸ m/s = 186,000 miles per second = 6.70 x 10⁸ mph or 670 million mph
- Introduction to the Electromagnetic Spectrum - 32:10
- Electromagnetism spectrum: A science documentary on forms of light- 29:23
- http://www.neok12.com/Electromagnetism.htm
- Ionizing (ultraviolet and higher) and non-ioninsing (visible and below) parts of the electromagnetic spectrum
Tuesday January 26
AGENDA:
- Brainpop: Light
- Brainpop: Lasers
- The electromagnetic and visible spectrum
- Color and vision
- Light and shadows - 4:53
- Vision Questions
- Can humans ever directly see a photon?
- How do carrots help you see in the dark?
- How long does it take our eyes to fully adapt to darkness?
- What are the five senses of the human body?
- What is it about red that makes bulls so angry?
- Why are red, yellow, and blue the primary colors in painting but computer screens use red, green, and blue?
- Why can't color blind people see any colors?
- Why do camera flashes make your eyes turn red?
- Why don't our eyeballs fill up with water when we swim?
- Why is the sky blue?
- Why was color invented by humans?
- Ultraviolet Questions
- What makes a "fluorescent" highlighter marker so bright?
- Why don't dark-skinned people get sunburns?
- The Mystery Spot in Santa Cruz, CA (where the laws of physics seems warped)
- In my research into Tesla I came up on this alien influence during WWII
scishow videos (just search youtube with following titles for link) why do things look darker when they're wet - 1:50 how birds really see the world - 4:01 great minds leonardo da vinci this is not what evolution looks like times and troubles of the scientific method - I had this opinion! physics experiments that changed the world the most sophisticated mirror in the universe why we age and how we can stop it nikola tesla great minds hearing colors, seeing sounds: synesthesia higgs botham discovery Magnetic force: the four fundamentals of electromagnetics absolute zero, absolute awesome schrodinger's cat |
scishow space color conserving energy rainbows magnetism the science of that dress - 5:03 "Perception of reality is not the same thing as reality" can you be scared to death - 3:44 (YES)! is the answer. (stress cardiomyopathy) leads to ventricular fibrillation. also referred to as the “broken heart syndrome,” is a condition in which intense emotional or physical stress can cause rapid and severe heart muscle weakness (cardiomyopathy) |
AGENDA:
- What are scalar waves - 4:50
spin
weak residual electron gravitron Z⁰ boson meson |
Pauli exclusion principle
flavor composite force-carrier particles (2x) composite superfluid guage bosons gluon |
Monday March 14
AGENDA:
- putting animals to sleep with chi energy - 9:56
- FOR TEST FRIDAY JUST CONCENTRATE ON THE FEBRUARY 19 ENTRY FILL-INS ON THIS WEBSITE WHICH CORRELATES TO THE TEXTBOOK CHAPTER ON QUANTUM PHYSICS. THAT AND ONLY GENERAL QUESTIONS ABOUT CIRCULAR FORCES AND SOLIDS. (ALL THE PARTICLE PHYSICS AFTERWARDS WON'T BE FOR TESTING). THEN, AFTER SPRING BREAK WE WILL START BACK ON REGULAR HIGH SCHOOL COURSE- STATIC ELECTRICITY, CIRCUITS & MAGNETISM. YOU GOT A DOSE OF MODERN PHYSICS BECAUSE YOU WERE AHEAD!
Thursday March 17
AGENDA: Questions I was considering asking during the grade level competition...
- The term "wormhole" is the common word used for.... "The Einstein-Rosen Bridge"
- The Kuiper belt is..... 30-55 AU (trans-neptunian)
- If you go up into space even during the day why is it all black? (no atmosphere for reflection)
- How does 8 light minutes compare to one Astronomical Unit? (equal)
- This is an imaginary line in the sky that marks the annual path of the sun? (ecliptic)
- Can dna be located anywhere else besides the nucleus in a human cell? (mitochondria)
- Out of proton, neutron and electron which one(s), if any, are fundamental particles (electron)
- What is the slowest that the speed of light has been slowed down to (in miles per hour)? (38) see below
- Physicists slow speed of light to 38 mph
Monday April 4
AGENDA: CHAPTER 20 STATIC ELECTRICITY- Electric Charge
- GRAVITATIONAL WAVES HAVE BEEN DETECTED - EINSTEIN WAS CORRECT.
- The details of how objects become charged are still an area of active inquiry, most answers are unknown.
- A plastic comb becomes negatively charged when rubbed.
- The study of electric charges that can be collected and held in one place is called _____
- For two objects to acquire a static charge they must be two different kinds of electric _____ that come into contact and then separate.
- The tiny spark that you experience when you touch a doorknob and the dazzling display of lightning in a storm are both examples of the discharge of _____ electricity.
- The relative strength between common objects is much larger in this fundamental force that acts at a distance without contact? What is the other force that it is larger than?
- True of false. Friction between objects is required to give them static charges?
- The internucleon attractive force overcomes the repulsive force between the protons. This is called the _____ force and only operates at very small distances.
- From a microscopic viewpoint, acquiring charge is a process of transferring _____
- When rubber and wool are rubbed together it is the _____ that gains the electrons
- Processes inside a thunder cloud can cause the cloud (bottom/top) to be negatively charged and the opposite for the top. Bottom
- Glass, dry wood, most plastics, cloth, and dry air are all good electric _____. In other words they are materials through which a charge will not move easily.
- A material that allows charges to move about easily is called an electric _____.
- _____ are good conductors because at least one electron on each atom of it can be removed easily. These electrons act as if they no longer belong to any one atom, but to the _____ (same answer) as a whole.
- Copper and aluminum are both excellent conductors and are used commercially to carry electricity. _____, a highly ionized gas and graphite also are good conductors of electric charge.
- When something is _____ it manifested as taking the form of a spark because of the removal of its excess charges
insulators
gravitational force |
electrostatics
electrons |
electromagnetic force
conductor |
static
strong |
Tuesday April 5
AGENDA: Section 20.2- ELECTRIC FORCE
- https://en.wikipedia.org/wiki/Leyden_jar
- The process of charging an object without touching it is called charging by _____
- Charging a neutral body by touching it with a charged body is called charging by _____.
- An _____ is a device used for detecting charges.
- Bringing an object with the same charge as the knob of an electroscope will cause the leaves to _____
- Bring an object with the opposite charge as the knob of an electroscope will cause the leaves to _____
- To ensure that a person grounded with an anti-static metal wrist strap won't accidentally be electrocuted, a high-value current _____ is placed between the wrist and ground.
- A precursor of the capacitor, a _____ may be used to carry charges from one material to another.
- _____ is the result of an effective net charge on a material that is neutral. Even if electrons in insulators cannot move easily across the material, their positions could be disturbed by the presence of a nearby external charge.
- The process of connecting a body to earth to eliminate excess charge is called _____
- Earth's surface carries a _____ charge while the conductive layer of the upper atmosphere is _____. Without _____, this global charge imbalance would not be maintained.
- The unit of charge is called the _____ and the symbol for it is _____
- How would the force change if the distance between two charges were tripled?
- When an electroscope is charged, the leaves rise to a certain angle and remain at that angle because of _____
- An electroscope being charged by _____ will remain neutral if the charging rod is moved away before the ground is removed from the knob.
gravitational force
polarization resistor induction |
induction
conduction spread apart negative |
coulomb
positive electroscope come together |
q
slightning Leyden jar grounding |
Friday April 8
AGENDA:
- Finish electrostatics and be able to do all of the fill ins
- Start reading chapter 21: Electric fields
- neok12.com (lots of matching)
Thursday April 14
AGENDA:
- Static electricity lab project: You will be given a bunch of paperclips, metal pellets, grain-sized metal, 3 types of magnets and a variety of items that are listed on the triboelectric table. After getting a feel for the subject your goal is to 1) make a magnet out of a paperclip with one side (positive) and the other size (negative). 2) You will then take two empty soda cans and do whatever you have to do with all of the objects at your disposal to make one can with a positive charge (+) and the other can with a negative charge (-)
Friday April 15
AGENDA: CHAPTER 22: "CuRRENT ELECTRICITY"
- ELECTRONIC SNAP CIRCUITS MODEL SC-300R CHAPTER ONE: "BASIC COMPONENTS AND CIRCUITS"
- Wires are made of metals, usually _____, that offer very low resistance to the flow of electricity. The electric _____ is a measure of how fast electricity is flowing in a wire and is measured in _____ (named after Andre Ampere). Wires are all the same color of metal but they have a protective covering over them to easily identify which wire is which during assembly and repair of the circuit. The covering is also used to prevent different parts of a circuit from connecting accidentally.
- To make electricity flow through wire we use a _____ (portable power source) which creates an electrical charge across wires. _____ is a measure of how strong the electric charge is and is measure in _____ (V, named after Alessandro Volta who invented the battery in 1800). The 0V or "-" side of the battery is often referred to as "ground", since in house or building wiring it is connected to a rod in the ground as protection against lightning.
- All the electricity produced by your electric company comes at a higher voltage, which must be converted down to work with most electronic circuits. If a _____ is given too much voltage then its components will be damaged. There are many kinds of _____ (e.g. slide & push) used in electronics to turn things on and off. Turning something on requires ______ a circuit and turning it off requires _____ of a circuit.
- In a lamp electricity is converted into _____. The _____ of the lamp increases as more electric current flows through it. Triple a and double a batteries work with up to _____ volts. The flattened end is negative while the flattened end with a "nub" is positive.
- Most products that use electricity are small because they have almost all of their components and wires mounted on _____. Look in almost any machine and you will find them. The wires connecting parts mounted on a circuit board are printed on the surface of the board hence they are all called "printed circuit boards"
- The voltage rating of the batteries is actually the voltage they produce when the electric current flowing from them is low (when they are new, batteries slowly get weaker as you use them). The battery _____ drops as the current increases
- There are 2 ways of arranging parts in a circuit, either in _____ or in parallel. If two lamps are connected in _____and one burns out then both lamps will not light. (The strings of small Christmas lights are wired in series, if one bulb is damaged then the entire string does not work).
- Sometimes one lamp takes longer to get bright while another gets very bright quickly because the lamp wires gets hot enough to glow and since they will both share the same current as a result of their combined voltages one will light brighter at first (the one with less _____) and then get _____.
- In a parallel circuit if one of the bulbs is broken then the other will still be on because the lamps are in ______.
- Most of the electronics in the average household is wired in _____. Easy way to tell is that of one of your bulbs is broken then the others are not affected and will go on producing light.
- Batteries are placed in parallel when the voltage is high enough but the circuit needs more current than one group of batteries can supply. If you put two in parallel, you can get more current, but the voltage stays the same.
- Every circuit will include a power source (the batteries or power outlet), a _____ (a lamp, motor, integrated circuit, resistor...), and wiring paths between them and back. When wires from different parts of a circuit connect accidentally, bypassing the resistance, it creates a _____ path across the batteries. This is called a _____ and will damage components and/or quickly drain your batteries.
- In a short circuit, there is nothing to limit the current in a circuit. However batteries cannot supply unlimited current so the battery voltage crops to zero and this is called _____ the batteries. This produces heat and ruins the batteries.
- _____ is a special metal made mostly of tin that melts at relatively low temperature (about 500 ⁰F) and used to make electrical connections to components on a printed circuit board. It is applied and melted around a joint where a connection is being made, creating a solid bond between the metals.
- _____ are international standardized symbols that are used in engineering circuit diagrams. They are an easy and flexible way of drawing circuits. Many products sold today come with schematics of their designs to assist in troubleshooting problems.
resistance
circuit boards opening amperes solder series light |
x
1.5 closing no-resistance copper voltage |
short circuit
volts brightness C battery circuit schematics |
series
current D overloading parallel switches |
QUESTIONS: ELECTRONIC SNAP CIRCUITS MODEL SC-300R CHAPTER : "Motors & Electricity"
- A _____uses mechanical motion to generate electricity and a _____ uses electricity to create mechanical motion.
- Nearly all of the electricity used in our world is produced at enormous generators driven by _____ or water pressure.
- _____ are used to transport this energy to homes and businesses where it is used.
- The most important thing about electricity is that it allows _____ to be transported over distances.
- Spinning a magnet next to a _____ of wire will produce an electric current in that wire. This is what happens in a _____.
- In an electric power plant, high-pressure water (from a dam) or steam (heated by burning oil or coal) is used to spin a paddlewheel linked to _____ which create an electric current in a coil of wire, which is used to power our cities.
- The AA batteries used to power most household items have "+" and "-" markings on them, called _____ markings.
- If you switch the way a motor is placed in a snap circuit from +/- to -/+ will it make a difference with a lamp connected to it? With a rotating fan connected to it?
- By placing a lamp in series with a motor, the _____ at the motor is reduced and therefore its speed will be reduced as well.
- _____ often result in an excessively high current flow. This can overheat components and cause damage to them, explode, or cause a fire.
- A _____ acts as a protection against short circuits because the high current which a short circuit will often produce will blow it, creating an _____ circuit. Most electronic products have one. Small battery-powered products usually do not have them because the batteries in them are not powerful enough to cause harm.
- Only a tiny portion of the electricity used in our world comes from batteries. The rest is produced at enormous electric power plants, operated by your local electric company. The electricity from these power plants is available at the electrical_____ in the walls of your home. The cost of electricity from the electric company is much (more/less) than the cost from batteries.
- The voltage of the electricity supplied by the electric company is _____V, This is available in each outlet in your home.
- A _____ occurs when part of the city is cut off from the power plants supplying it with electricity. This is usually due to accidents or storms but is also done to confuse attacking bombers in war. A ______ occurs when power plants cannot supply enough current to a city during high demand, and must reduce the voltage below 120V. This sometimes occurs on hot days in summer when everyone is using their air conditioners.
- The protective _____ around the wires are all that protects you from the full power of electricity.
- Static electricity in the _____ causes the "static" aka "erratic noises" you hear on your AM radio when reception is poor
- A spark occurs because the _____ is high enough to jump across a high resistance material (usually _____), making a small spark as it happens.
- LIghtning is looking for the lowest-_____ path from the clouds to the ground.
- Metal bars from the roof of a house or building to the ground are called _____. They encourage lightning to go through it to the ground instead of through the house or building.
- High resistant wire in an incandescent lamp is called a _____. They get hot and glow. They are made out of _____ since ordinary copper would melt.
- Fluorescent bulbs pass electric current through a gas which is usually _____. They are more efficient at converting electricity to light. Only about _____ percent of the electricity used by incandescent bulbs is converted to light.
- EXTRA: A ferromagnetic substance can _____ into a paramagnetic substance.
- EXTRA: How do you ruin a magnet?
- RESEARCH TEMPERATURE AFTER THERMOSPHERE IT SHOULD GET COLDER AND COLDER RIGHT?
lightning rods
resistance outlets lewires 5 voltage energy |
filament
plastic 120 fuse generator coil |
tungsten
blackout short circuits steam atmosphere magnets |
neon
open motor air polarity brownout |
Monday April 18
AGENDA: CHAPTER 22 "CURRENT ELECTRICITY"
QUESTIONS:
QUESTIONS:
- Conventional current is the flow of _____ charge.
- The increase in _____ difference produced by a generator equals the decrease in potential difference across the motor.
- _____ measures the rate at which energy is transferred. It is measured in _____.
- The unit for the quantity of electric charge is the _____. It is represented by _____.
- Electric current is represented by _____. It is charge divided by time. The unit for current is _____.
- P= Volts multiplied by _____ or P = Energy / _____
- Power is measured in _____
- Energy is measured in _____
- The _____ in automobiles are generators. They convert mechanical energy to electrical energy.
- Resistance increases as temperature (increases/decreases)
- Resistance increases as length (increases/decreases)
- Resistance increases as cross-sectional area (increases/decreases)
- The property determining how much current will flow is called _____. This is measured in _____
- V= IR and P=IV
- The D cell battery is larger than a AAA battery. If both are rated at 1.5v then the _____ cell battery can supply a given _____ for a (longer/shorter) period of time before the chemical energy is depleted.
- A lightbulb has resistance that depends on its _____
- Devices such as transistors and diodes do not obey _____ law.
- _____ often are used to control the current in circuits or parts of circuits.
- A variable resistor is called a _____. Examples of these include the volume knob, brightness knob, contrast, tone, hue, etc...
- The human body acts as a _____ resistor. The skin's resistance is affected by how _____ it is.
- A current as low as _____ mA can be felt as a mild hock, while currents of 15mA can cause loss of muscle control and currents of _____ma can cause death.
- Engineers use _____ to predict resistance.
- When connecting the voltmeter in a circuit, always connect the + terminal to the end of the circuit component that is closer to the _____ terminal of the battery.
- What is the US's largest renewable energy source?
hydropower
potentiometer resistance current watts coulomb |
alternators
1 temperature ohms Power q |
15
resistors seconds positive I |
positive
D joules potential ampere 100 |
Tuesday April 26
AGENDA: MAGNETISM
- Neodymium is atomic # 60
- A rare earth magnet can do what an ordinary magnet 50 times larger can do.
- A neodymium magnet (also known as NdFeB, NIB or Neo magnet), the most widely used type of rare-earth magnet, is a permanent magnet made from an alloy of neodymium, iron and boron to form the Nd2Fe14B tetragonal crystalline structure.
- DEMONSTRATION: Hold a wire above a compass while you touch the ends of the wire to a battery (or equivalent), so the class can see the compass deflect when current flows.
- WHAT 3 ELEMENTS ARE ATTRACTED TO MAGNETS AT ROOM TEMPERATURE?
- If something is attracted to a magnet then it is ____. Most of the items that your magnet attracts are composed of _____, or an alloy of it, such as steel.
- If a substance is not attracted to a magnet, it is called _____.
- Tin cans are attracted to magnets because most are made of _____ with just a thin coating of tin for corrosion resistance.
- Soda cans are made of _____
- The 1943 steel _____ is the only American coin that is attracted to a magnet.
- The 3 ferromagnetic elements have _____ electrons in their d orbitals that spin in the same direction.
- Oxygen is _____ which means it is slightly attracted to a magnet.
- Substances lose their magnetic properties when heated pass the _____, the temperature at which a substance is no longer attracted to a magnet. But once the substance cools to below this point its ferromagnetic properties return.
- Cobalt, iron, nickel, and gadolinium are ferromagnetic elements with their Curie points higher than (1120, 770, 358 and 19 ℃ respectively). Terbium, dysprosium, thulium, holmium, and erbium are ferromagnetic except future here in southern california they are always at a temperature way above the curie point and that is why they are not heard of (and neither really is gadolinium)
- Ferrofluis is composed of ferrimagnetic _____ that has been suspended in an oil-based substance. It was first developed by NASA in 1965. It can be purchased from the www.ferrofluidics.com
- THE TERM MAGNETISM STEMS FROM CERTAIN ROCKS CALLED ______ found more than 2000 years ago in the region of Magnesia in Greece. These rocks contain iron ore, which has been named _____.
- A bar magnet that has been bent is called a(n) _____
- Magnetic _____ behave similarly to electric charges in some ways, but there is a very major difference. Electric charges can be _____.
- Magnetic field lines form closed _____ Electric field lines emanate from positive _____. Gravitational field lines emanate only from ____
- A magnetic field is a relativistic by-product of a(n) _____, the motion of electric charge.
- Both the _____ motion and the ____ motion of every electron in an atom produce magnetic fields which combine constructively or destructively to produce the magnetic field of the atom.
- Each _____ atom has four electrons whose spin magnetism is uncanceled. Each of these atoms then is a tiny magnet. The same is true to a lesser degree for the atoms of _____ and _____
- A current carrying coil of wire with many loops is a(n) _____
- To cancel out undesirable magnetic fields _____ are used, with the return wire right next to the outgoing wire. Wires are often braided to combat this.
- Charged particles are _____ by magnetic fields. The intensity of cosmic rays striking earth's surface would be more intense if it weren't for the _____.
- A magnetic field cannot do work on a moving charge. It can only change the _____ of the charge. Therefore its force is perpendicular to both field lines and current, and it is a(n) _____ force.
- Just as a current-carrying wire will deflect a magnetic compass, a magnet will deflect a(n) _____.
- A sensitive current-indicating instrument is called a(n) _____.
- Many loops of wire wound about an iron cylinder is called a(n) ____
- The _____ can function as both an ammeter and a voltmeter (the electrical resistance of the instrument is made to be very low for the ammeter, and very high for the voltmeter).
- The earth's magnetosphere holds the _____ Radiation Belts, rings of charged particles trapped in earth's magnetic field, 3000 to 15000km above earth's surface.
- Dropping or heating a magnet will weaken it because the ____ are jostled out of alignment
- _____ circles are the shape of the magnetic field that surrounds a current carrying wire
- Magnetic force is _____ to the field. Electric force is _____ to the field.
- _____ have multiple domain magnetite magnets within their skulls
- The discrepancy between the orientation of a compass and true north is known as the magnetic _____.
- Light of any kind is _____
- Evidence from deep-sea magnetic rock _____ shows how the magnetic field of Earth has diminished to zero and then reversed itself completely throughout history.
- Can an electron be set into motion with a magnetic field? With an electric field?
current-carrying wire
electromagnet orbital strata sideways horseshoe concentric direction magnetosphere |
multimeter
deflected cobalt spinning No; needs to be moving Van Allen radiation belts perpendicular loops poles |
yes
declination parallel magnet lodestones electric field iron galvanometer nickel |
source
double wires magnetite charges domains mass Curie point isolated pigeons |
QUESTIONS: ELECTROMAGNETIC INDUCTION
- The greater the number of _____ of wire that move in a magnetic field, the greater the induced voltage and the greater the current in the wire. However, a coil with more of these is a stronger electromagnet and pushes back harder.
- The amount of _____ induced depends on how quickly the magnetic field changes .Very slow movement of the magnet into the coil or the coil over the magnet produces hardly any voltage at all.
- The phenomenon of inducing voltage by changing the magnetic field around a _____ is _______
- _____ Law: The induced voltage in a coil is proportional to the product of the number of loops and the rate at which the magnetic field changes within those loops.
- The amount of current produced by electromagnetic induction depends not only on the induced voltage but also on the _____ of the coil.
- Whereas a(n) _____ converts electrical energy into mechanical energy a(n) _____ converts mechanical energy into electrical energy
- Some people think that electricity is a _____ of energy. It is not. It is a form of energy that must have one.
- Voltages may be stepped up or stepped down by a _____
- The _____ can heat the wires of a circuit
- By Lenz's law, the polarity of the induced magnet is always such as to (oppose/reinforce) the magnetic field imposed
- A change in the magnetic field induces a change in the electric field and vice versa. This led Einstein to develop his _____ whereby a magnetic field results when an electric field is seen by a _____ observer, and the same with a magnetic field.
- Wireless communication through such devices as cellular telephones depends on _____
- Maxwell didn't use the speed of light in his calculations, he found the speed of light. He found it to be _____.
- James Clerk Maxwelle was at one time the only person in the world that knew what starlight really was. It was _____ carried in waves of electric and magnetic _____ that continually _____ each other.
- An electromagnetic wave is composed of vibrating _____ and _____ fields that regenerate each other. This is why this kind of wave is _____. The vibrating fields emanates (moves in an _____ direction). At any point on the wave, the electric field is (parallel/perpendicular/at a small angle) _____ to the magnetic field, and both are _____ to the direction of motion of the wave.
- The armature of a generator must rotate in order to induce voltage and current. What causes the rotation?
- A transformer actually steps up voltage and current but not _____
- A step-up transformer steps up _____. This would be more turns on the _____ coil.
- Induced electricity is part of _____ law. Induced magnetism is part of _____ law. They are inverses of each other
- With no magnets around, current flow is produced in a _____of wire waved around in the air because the coil moves through earth's magnetic field
- A moving magnet will induce a current in loop. The field produced by the current tends to _____ the maget as it approaches and _____ it as it leave.
- The source of all electromagnetic waves are _____ electric charges
- A running motor always draws less current than a _____ motor. This _____ the motor.
- A transformer requires _____ voltage because it provides the chonange needed for electromagnetic induction
secondary
transformer electric perpindicular Faraday's resistance energy overheats |
Maxwell's
energy attract loops current 3.0 x 10⁸ m/s generator outward |
repel
electromagnetic Special Theory of Relativity conductor coilo motor external energy source e.g.wind strata |
accelerating
lvoltage fields source magnetic communication towers electromagnetic induction stalled |
Monday May 2
AGENDA:
- Read the chapter in the book after the "Electronic Circuits" chapter that includes parallel circuits.
- Be able to calculate volts, current, and resistance in series as well as parallel
- The magnetism chapter is extra credit and I will list more fill-in questions on the April 26 entry
- Also chapter two of the Electronic Circuit guide is extra credit and continuing to build circuits of your choice
Tuesday May 3
AGENDA:
- You are already ahead in the class so if you already know how to calculate voltage, current and resistance in parallel and series circuits you can catch up in your other classes.
- Material that has infinite conductivity at very low temperatures is known as a _____
- What causes electric shock in the body?
- electric current is flow of _____
- If you are soaked with salt water your resistance can be as low as _____ ohms. Normally it would be around 100,000 ohms.
- Nearly all AC circuits in North America involve voltages and currents that alternate back and forth at a frequency of _____ Hz. The outlet voltage is normally _____ volts. Europe has adopted _____ volts as their standard.
- The voltage can be doubled in the United States by hooking the +120V wire to the -120V wire. (true or false)
- This electrical component acts as a one way valve? It can be used to convert AC to DC.
- A _____ smooths out the pulsed DC current and a _____ steps down the voltage (lowers it)
- The electron speed in a circuit is a) less than a snail's pace b) about speed of sound c) speed of light?
- The current in a circuit is ? (same answers as above)
- Where do the electrons come from when you use something plugged into an outlet at home?
- _____ is carried by the electric field and cause a vibratory motion of the electrons in the circuitry.
- Estimate the number of electrons pumped by the local power plant into the homes and industries locally in an hour.
- How much power is used by a calculator that operates on 8 volts and 0.1 ampere? If it is used for one hour, how much energy does it use?
- Will a 1200 Watt hair dryer operate on a 120 volt line is the current is limited to 15 amperes by a safety fuse? Can two hair dryers operate on this line?
- The velocity of an electric signal is nearly the speed of light and is quite a bit different than the _____ velocity of electrons which is about 0.01 cm per second in a circuit.
- ______ are used in many devices to control current.
- In a DC circuit, _____ have a low drift speed within wires. In AC circuits, _____, not electrons, flows from the outlet.
- Charge flows (through/into) a circuit and voltage (flows through/is established across) a circuit.
energy
transformer one hundred 120 |
zero
current 220 the electric plant |
charge
the conducting material itself sixty diode |
drift
resistors superconductor capacitor |
Thursday May 5
AGENDA: ELECTRIC FIELD AND POTENTIAL
- You will have your Standards Physics ACT test next week Thursday 5/18
- When the space around you is altered, the space is said to contain a _____
- The force that surrounds a mass is a _____ field.
- The concept of a force field eliminates the _____ factor.
- The space around every _____ is filled with an electric field.
- _____ is contained in electric fields.
- The direction of the electric field at any point, by convention, is the direction of the electrical force on a small _____ test charge placed at that point.
- Electric field strength can be measured in units of newtons per coulomb. The formula is E= F/q (not a question)
- When two ends of a fluorescent tube are equidistant from a charged object (like a van de graaf generator) there is light emission?
- To shield from outside electrical activity surround yourself or an object with a ______ surface. The static charges are distributed on the surface in such a way that the electric field inside is zero.
- What type of field cannot be shielded against?
- A charged object can have potential energy by virtue of its _____.
- Electric potential and electric potential energy are different things. Electric potential = electric potential energy divided by its _____.
- Electrical energy can be stored in a common device called a _____
- A common device for building up high voltages is called the _____
- Voltage = Electric potential or electric potential energy?
- The _____ the lines representing an electric field, the stronger the field.
- Your hair stands out when you are charged by a device like the Van de Graaff generator because strands of your hair are charged with the same sign of charge and are mutually _____..
energy
positive electric charge |
Van de Graaff generator
distance conducting |
location
force field closer |
repelled
capacitor gravitational |
Monday May 9
AGENDA:
- Most home wiring is rated at 30 amps maximum.
- Fluorescent lamp and violet tube light
- ACTIVITY: Batteries are made up of electric cells, which are composed of two unlike pieces of metal separated by a conducting solution. A simple 1.5 volt cell, equivalent to a flashlight cell, can be made by placing a strip of copper and a strip of zinc (or paperclip) in a moist vegetable or piece of fruit . A lemon or a banana works fine. Hold the ends of the strips close together but not touching, and place either a load (lightbulb - need electrical tape and wires) or your tongue laying across the two metals. The slight tingle you feel and the metallic taste you experience (or the lighting of the bulb) result from a slight current of electricity pushed by the cell through the metal strips when either your tongue or the load closed the circuit. Compare the results for different metals and different fruits and vegetables
- OR TRY THIS ACTIVITY SIMILAR TO THE ABOVE
- Strips of _____ foil can substitute for wire in an electrical circuit.
- A complete _____ has no gaps which is usually provided by an electric _____ that can be opened or closed to either cut off or allow electron flow.
- A _____ circuit is much like a single lane road while a _____ circuit has two or more lanes.
- In a series circuit the voltage drop across each device (load) depends directly on its _____. When more load/resistance is added to the circuit the _____ is decreased and lamps become dimmer.
- In a _____ circuit each device/load operates independently of the other devices
- Current passes more readily into devices of low _____
- As the number of parallel branches is increased, the overall ____ of the circuit is decreased.
- The batteries themselves in a circuit has its own resistance called the battery's _____ resistance.
- A fuel gauge in an automobile uses _____ resistance to measure the level in the gasoline tank.
- To get the value of current that a household item consumes in your house you would divide its wattage by this number?
- Lines that carry more than a safe amount of current are said to be _____. The resulting _____ may be sufficient to melt the insulation and start a fire.
- To prevent the above, _____ are connected in series along the supply line.
- A short circuit draws a dangerously large _____ because it bypasses the normal circuit resistance.
- _____ are used instead of fuses in modern buildings because they do not have to be replaced each time the circuit is opened. Instead, the switch can simply be moved back to the "on" position. These use _____ or bimetallic strips to open the switch.
- Excessive current will "____" out the fuse or "_____" the circuit breaker, stopping the current
- What is the equivalent resistance of a pair of 8-ohm resistors in series? in parallel?
16
magnets overloaded circuit internal |
8
circuit breakers variable aluminum heat |
4
safety fuses 120 resistance current |
blow
trip switch series parallel |
Thursday May 12
Wednesday May 18
AGENDA:
- FINALS: Build an electric circuit and shot it to me. Show me where electric potential is (2 AA batteries 1.5 each so there was 3.0 volts), the currents (has a parallel pathway as well as a series pathway. The loads used were a light, two switches, a speaker, and a couple integrated circuits. Was able to tell me the power output based on the P=IV equation.