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Learners drop two different masses of play dough and observe how long it takes them to hit the ground.

In this activity, learners will engineer three different parachutes to test how well each one works.

In this design challenge activity, learners use two helium-filled balloons to build a blimp that can travel in a straight path across the room.

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.

In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.