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In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust.

In this physics activity, challenge learners to make and race a balloon-powered car. Learners construct the body out of a paper cup, wheels out of wooden spools. and fuel tank out of a balloon.

In this activity, learners explore rocketry and the principals of space flight.

In this activity, learners construct and launch rockets using simple materials and their understanding of chemical reactions.

Using simple, inexpensive items, learners build and test submarine models.

Get all wrapped up in a lesson about skin!

In this weather forecasting activity, learners determine the location of cold and warm fronts on weather plot maps.

In this activity, learners build cars using syringes and water-powered hydraulics. Learners construct the car frame out of cardboard and set up a hydraulic system to raise and lower the car.