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In this activity, learners will explore how and why weight distribution works.

In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.

Learners make their own simple slide rules out of paper and learn how they work.

In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.