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In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

Learners work in pairs to create three simple types of bridges, a beam bridge, an arch bridge, and a suspension bridge.

In an investigation called "Shape It!" learners craft tiny boats out of clay, set them afloat on water and then add weight loads to them, in order to explore: how objects stay afloat in water; what th

In this hands-on activity, learners use the steps of the design process to create a hook to rescue a "space capsule" from the water.

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.

In this activity, learners build water-propelled engines from soft drink cans.

Build a car that runs on air. Using household materials, experiment with the power of air to create thrust powerful enough to move a homemade car.