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What is needed to light a bulb?
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What materials transfer electricity?
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Which design is better for manufacturing long strings of lights: series or parallel?
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What materials stick to magnets?
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What happens when two or more magnets interact? What happens when a piece of iron comes close to or touches a permanent magnet?
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What is the effect on the force of attraction between two magnets as the distance between them changes?
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How can you turn a steel rivet into a magnet that turns on and off?
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How does the number of winds of wire around a coil affect the strength of the magnetism?
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How can you reinvent the telegraph using your knowledge of energy and electromagnetism?
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What do we observe that provides evidence that energy is present?
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How does the starting position affect the speed of a ball rolling down a ramp?
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What happens when objects collide?
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How are waves involved in energy transfer?
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How does light travel?
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How can you make a motor run faster using solar cells?