Search Results


Showing results 1 to 3 of 3

Source Institutions
Add to list Details
In this laboratory activity, learners design an experiment to evaluate how environmental factors influence the growth of molds.

$5 - $10 per group Ages 11 - 18 1 to 7 days
Source Institutions
Add to list Details
Learners experiment with water gel crystals, or sodium polyacrylate crystals, which absorb hundreds of times their weight in water. When in pure water, the water gel crystals cannot be seen.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
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