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This investigation provides learners with a hands-on activity that simulates the changing relationship of surface areas-to-volume for a growing cell.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
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This activity uses Jell-O(R) to introduce learners to microfluidics, the flow of fluids through microscopic channels.

$10 - $20 per group Ages 8 - adult 45 to 60 minutes
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In this activity related to microbes, learners create scale models of microorganisms and compare relative sizes of common bacteria, viruses, fungi and protozoa using metric measures: meters, centimete

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity related to music and sound vibrations, learners make a phonograph or record player out of simple materials. First, learners assemble the turntable, arm, and sound cone.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes