SME
Grade 8 Science · Problem type
Kinetic or potential energy?
Use this for “Is a rolling skateboard’s energy kinetic or potential?”
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Which kind of energy does the description show?
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Assumptions
•
Potential energy counts gravitational (height), elastic (stretch or squeeze) and chemical (fuel, food).
•
A thrown ball at the top of its flight has both: it is still moving sideways.
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A pendulum trades energy
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Wave properties and the electromagnetic spectrum
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