Summary
Bill crashes carts and rolls balls to show that moving things carry momentum, and that energy changes hands when they collide.
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All ages
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Teaching resources
Discussion questions
Discussion
Bill crashes carts and rolls balls to show that moving things carry momentum, and that energy changes hands when they collide..
- What gives a moving object more momentum - going faster or being heavier?
- What happens to the energy when two things crash?
- Why does a faster ball knock pins down harder?
Quick work-a-long
Vocabulary: momentum, collision, speed.
Try it: Roll a ball slowly then quickly into a cup and describe how the result changes.