Summary
Levers, pulleys, ramps, and wheels: Bill shows how simple machines let you do the same work with less effort by trading force for distance.
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All ages
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Teaching resources
Discussion questions
Discussion
Levers, pulleys, ramps, and wheels: Bill shows how simple machines let you do the same work with less effort by trading force for distance..
- How can a ramp make it easier to lift something heavy?
- What are you trading when a machine makes a job feel easier?
- Where do you see simple machines around your home?
Quick work-a-long
Vocabulary: lever, pulley, force.
Try it: Find one simple machine in your classroom and explain what job it makes easier.