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How Far?
To learn how friction affects motion, learners build a measurement tool from a rubber band and other simple materials.
Hovercraft Racers!
Learners build a simple hovercraft using air from a balloon to levitate a craft made from a compact disc (CD).
Action-Reaction Rocket!
Learners construct a rocket from a balloon propelled along a guide string.
How Do Things Fall?
Learners engage in close observation of falling objects. They determine it is the amount of air resistance, not the weight of an object, which determines how quickly an object falls.