instruction:
Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.
question:
Question: What is the term for stored energy that an object has due to its position or shape? Answer: potential energy
answer:
A: Electric charges flow when they have electric potential energy. Potential energy is stored energy that an object has due to its position or shape.

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Question: Body waves travel through the earth and arrive at seismograms before what? Answer: surface waves
answer:
Body waves travel through the Earth and arrive at seismograms before surface waves.

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Question: What is caused by bodies sliding over rough surfaces? Answer: friction
answer:
Friction is caused by bodies sliding over rough surfaces.