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In this activity, learners discover that they can create a lens from a water drop. Learners test their lens by looking at words or pictures.

1 cent - $1 per group Ages 4 - 11 10 to 30 minutes

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In this activity, learners use gelatin as a lens to investigate the properties of laser light.

$5 - $10 per student Ages 8 - 18 5 to 10 minutes