WY-TOPP Science Grade 4 Practice Questions - WY-TOPP Summative Science - Grade 4 Exam

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A student rolls two identical wooden balls down a hill. Ball A rolls slowly, while Ball B rolls quickly. Which statement correctly compares their kinetic energy?

Ball A has more kinetic energy because it is moving slower. Ball B has more kinetic energy because it moves at a higher speed. Both balls have the same kinetic energy because they have equal mass. Neither ball has kinetic energy while rolling down a slope.

Correct Answer:

Ball B has more kinetic energy because it moves at a higher speed.

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