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Simple Machines
Lift something you cannot lift.
1 week
The same topic, four ways
Build it together: Lift a grown-up
What you need
- a plank or sturdy board
- something to use as a pivot
- a willing adult
Steps
- Set up the plank over the pivot. Put the adult on one end.
- Move the pivot closer to the adult, one step at a time.
- Find the point where the smallest child can lift them.
- Measure both distances and talk about why it worked.