We worked in pairs to make a 1 book and 2 book high ramp.
Our question was: Does the car go farther with a 1 book ramp, or a 2 book ramp?
The students used a toy car and released it at the top of the ramp,
then used yarn to measure how far the car went.
They tried it with different cars, and varied the height of the ramp.
We concluded that the car goes farther the higher the ramp is.
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