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Is Gravity a Theory or a Law? |
text page, free |
gravity, hypothesis, theory, and law |
Teach It Right the First Time. |
text page, free |
states of matter, critical thinking, information processing, misconceptions, matter |
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Yellowing Paper |
text page, free, checked |
electromagnetic spectrum, science fair, Variables and controls, critical thinking, observation, light, investigations and experiments, physical-chemical change, energy |
Sunglass Science: Polarized Light |
video, free, Updated |
refraction, properties, light, waves, energy |
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What is a Higgs boson, and why should I care? |
text page, blog, free, checked |
mass, atoms, critical thinking, model, information processing, misconceptions, hypothesis, theory, and law, matter |
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Dew on the Window |
text page, free |
states of matter, thermal energy, water |
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Dirty Words of Science |
text page, blog, free |
critical thinking, information processing, pressure, misconceptions, force and interactions |
Whistle Stick |
video, text page, blog, free, checked |
motion, engineering, structure and function, sound, waves, force and interactions |
Electricity |
video, free, Updated |
static electricity, electricity, attract/repel, energy |
Making a Screamer |
video, free, Updated |
Halloween, Holiday, cycles, motion, engineering, pressure, structure and function, sound, force and interactions, energy |
Mirage |
video, free, ClosedCaptions, Updated |
critical thinking, refraction, weather, density, light, structure and function, waves |
Eclipse Watching |
text page, free |
electromagnetic spectrum, senses, sun, light, moon, solar system, safety, waves |
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Sorting Salt and Pepper, How Many Ways? |
text page, free |
mass, solution, static electricity, Variables and controls, critical thinking, observation, motion, properties, density, engineering, friction, electricity, structure and function, attract/repel, investigations and experiments, mixture, force and interactions |
Experimenting with Dry Ice |
video, free, checked |
Halloween, states of matter, thermal energy, physical-chemical change, matter |
Microscopes: Growing Crystals |
video, free, learnalong, Updated |
refraction, light, microscope, waves, classification, crystals |
331 |
photo challenge, free |
static electricity, critical thinking, weather, engineering, electricity, structure and function, misconceptions, safety |
Finding Fat in Foods |
video, ClosedCaptions, checked |
Variables and controls, conduction, reflection, light, digestive system, investigations and experiments, indicator |
Electrostatics and Water |
video, ClosedCaptions, checked |
static electricity, conduction, electricity, attract/repel |
The Slow Race |
video, free, ClosedCaptions, Updated |
kinetic/potential, Variables and controls, critical thinking, motion, engineering, friction, gravity, investigations and experiments, force and interactions, energy |
Candles in a Jar, part 2 |
video, ClosedCaptions, checked |
critical thinking, reaction, combustion, thermal energy, investigations and experiments |
Planets and Pennies |
video, ClosedCaptions |
mass, sun, earth, model, planet, moon, gravity, solar system, measurement |
Candles in a Jar, part 1 |
video, ClosedCaptions, checked |
critical thinking, reaction, combustion, properties, thermal energy, density, investigations and experiments |
Newton's First Law of Motion |
video, ClosedCaptions |
mass, newton's laws, critical thinking, inertia, motion, engineering, friction, gravity, force and interactions, energy |
Paper Petals |
video, ClosedCaptions |
Illusions and Tricks, engineering, structure and function, expand/contract, force and interactions |
Cloud Formation, part 1 |
video, ClosedCaptions, checked |
atmosphere, states of matter, cycles, thermal energy, weather, water cycle, water |
Heating a Balloon |
video, ClosedCaptions, checked |
mass, conduction, critical thinking, combustion, thermal energy, water |
Cartesian Diver |
video, ClosedCaptions, checked |
mass, states of matter, properties, density, engineering, structure and function, expand/contract, water |
The Compass and Magnetic Fields |
video, ClosedCaptions, checked |
magnetism, attract/repel, force and interactions |
Measuring Calories |
video, ClosedCaptions, checked |
Variables and controls, thermal energy, digestive system, human body, measurement, investigations and experiments, energy |
