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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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In this activity, learners place cards featuring biological structures in order by their relative size from largest to smallest.

1 cent - $1 per group Ages 11 - 18 10 to 30 minutes