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In this laboratory experiment, learners explore how effectively different sunscreens protect yeast cells from damage caused by ultraviolet (UV) radiation.

Over $20 per group Ages 8 - adult 1 to 2 hours
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This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific investi

$10 - $20 per group Ages 11 - 18 2 to 4 hours