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In this activity, learners make three different "seed" types and determine which design flies the farthest.

In this indoor and/or outdoor activity, learners make an anemometer (an instrument to measure wind speed) out of a protractor, a ping pong ball and a length of thread or fishing line.

In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.