Summary
What happens when two moving things bump? The Cat shows Nick and Sally how a bump can change the speed and direction of an object — and how bumpers help things crash safely.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
When things collide, they can change speed or direction.
- What happened when the two objects bumped into each other?
- Did the bump make something speed up, slow down or turn?
- Where have you seen bumpers keep things from getting hurt?
Quick work-a-long
Vocabulary: bump, collide, speed, direction, bumper.
Try it: Roll two balls toward each other and watch the bump. Tell which way each one went after.