TV on a Rolling Cart

Rocket Car

From Science Max: Experiments at Large · 2015

Rocket Car
22 min3rd4th5th6thScience
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Summary

Phil powers a car with a burst of escaping air to demonstrate Newton's third law — every action has an equal and opposite reaction. He then maxes it out with a much bigger blast. ~22 min, free on the official Science Max YouTube channel.

Viewer safety

All ages
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Teaching resources

Discussion questions

Discussion

Air rushes out the back, and the car shoots forward — Phil explores action and reaction.

  1. What pushes the rocket car forward?
  2. Which way does the air go, and which way does the car go?
  3. What is Newton's third law in your own words?
  4. How could you make the car travel a longer distance?

Quick work-a-long

Vocabulary: rocket, reaction, thrust, force, motion.

Try it: Tape a balloon to a straw threaded on a string. Let the air go and watch the balloon zoom — explain which way the air pushed.