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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.

In this activity, learners explore how polarizing sunglasses can help diminish road glare.

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

This is an activity about turbidity, or the amount of sediment suspended in water.

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

In this optics activity, learners build a spy tool to secretly view things over walls or around corners.