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In this activity, learners use their hands as tools for indirect measurement.

In this activity, learners will measure the length of their shadow from the Sun and compare it three to four months later.

In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.

In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

In this kinesthetic activity that demonstrates pressure, learners act as air molecules in a "container" as defined by a rope.

In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.