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In this optics activity, learners discover basic lens-making techniques by using a tennis ball to make a lens out of ice.

In this activity about light and refraction, learners make a lens and magnifying glass by filling a bowl with water.

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

In this activity related to microbes, learners use water drops and hand lenses to begin the exploration of magnification. This activity also introduces learners to the microscope.