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In this activity, learners use the design thinking process to design and build their own aqueduct, or water bridge.

In this activity, learners design and build a simple wind vane —one of the oldest kinds of weather tools— and use it to show wind direction.

Everybody loves bubbles, and this is the best bubble recipe ever!

In this activity, learners make a photographic image—without a camera!

In this activity, learners build rockets and shoot them into the air by stomping on the plastic bottle launchers.

In this activity, learners make their own solar oven to bake s'mores and learn about how solar energy is absorbed on Earth.

In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.