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In this activity, learners build handheld rockets and launchers out of PVC pipes and plastic bottles. Use this activity to demonstrate acceleration, air pressure, and Newton's Laws of Motion.

In this engineering design challenge, learners make a bird and then control its flight with attached strings.

This activity shows you how to make amazing crystal spikes using Epsom salt and the sun.

In this activity, learners make a parachute out of tissue paper, tape, and string. Then, learners test their parachute to see how many paper clips it can carry.

In this activity, learners construct a simple air pressure launcher for paper rockets.

In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.

In this activity, learners build a sled kite that models a type of airfoil called a parawing.

In this three part activity, learners explore and experiment with shadows to learn about the Sun's relative motion in the sky.