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In this optics activity, learners create flip books by drawing an image like an eye opening and closing on 24 small pages of paper.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this optics activity, learners explore how many objects they can see in a set of mirrors (hinged like a book) at various angles.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this demonstration (9th on the page), learners explore eyewitness memory and how memories differ amongst individuals. While the rest of the group is minding their own business (i.e.

free Ages 8 - 18 10 to 30 minutes