Learn about the physics of resistance in a wire.
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Test the pH of things like coffee, spit, and soap to determine whether each is…
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See how the equation form of Ohm's law relates to a simple circuit.
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Are all atoms of an element the same? How can you tell one isotope from another?
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Explore the forces at work when pulling against a cart,and pushing a…
LAB
Light a light bulb by waving a magnet.
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Watch your solution change color as you mix chemicals with water.
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Build an atom out of protons, neutrons, and electrons, and see how the element…
LAB
Explore bending of light between two media with different indices of refraction.
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"The thicker the glass, the darker the brew, the less the light that passes…
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How do you know if a chemical equation is balanced? What can you change to…
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