Summary
A build challenge focused on simple machines — levers, ramps, pulleys, and wheels — the basic tools that make a Rube Goldberg machine possible. Students design a device that uses at least one simple machine to do a job.
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All ages
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Teaching resources
Discussion questions
Discussion
Simple machines make hard jobs easier.
- Name a simple machine — how does it help you move or lift something?
- Which simple machine would help move a heavy object up onto a table?
- What job around the classroom could a simple machine help with?
Quick work-a-long
Vocabulary: simple machine, lever, ramp, pulley.
Try it: Use a ruler as a lever to lift a stack of books. Move the pivot point and describe what makes lifting easier.