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In this activity, learners explore phosphorescence and how certain materials can absorb and store energy from a light source.

In this activity, learners use UV light to transfer a pattern onto a plastic board. The pattern is transferred by placing a mask (a transparency sheet with the pattern) on a plastic board.

Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.

In this activity, learners discover what happens when they crush wintergreen-flavored candies in a very dark room.