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In this activity, learners explore ray optics. Learners discover that they can use a magnifying glass to create an upside-down image.

In this optics activity, learners use water to make a coin "appear" and "disappear." Use this activity to demonstrate how light refracts and introduce light as waves.

In this activity, learners touch and observe skulls of sharks and rays to learn about their diversity (over 400 species of sharks alone!).

In this hands-on activity, learners simulate the crashing and smashing of a meteor impact using household cooking supplies.

In this activity related to light and perception, learners use a pinhole in an index card as a magnifying glass to help their eye focus on a nearby object.