Search Results


Showing results 1 to 2 of 2

Add to list Details
In this activity learners explore surface tension. Why are certain objects able to float on the surface of water and how do detergents break the surface tension of water?

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
Add to list Details
Water treatment on a large scale enables the supply of clean drinking water to communities.

$5 - $10 per group Ages 11 - adult 45 to 60 minutes