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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 meteorological activity, learners get to build their very own anemometer (instrument for measuring wind speed) using a paper cup.

In this activity, learners use a hand-made protractor to measure angles they find in playground equipment.

In this activity, learners make their own pinhole viewer in order to measure the size of the sun.