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In this activity, learners explore properties of water and watch evaporation happen by "painting" with water in the sun.

In this activity, learners build a water squirter using a PVC pipe, dowel, and foam. This activity is great for the summer time and introduces learners to forces and water pressure.

In this activity, learners model erosion using a clear shoebox and sand or soil.

In this activity, learners construct hand-held altitude trackers. The device is a sighting tube with a marked water level that permits measurement of the inclination of the tube.