Search Results


Showing results 1 to 2 of 2

Add to list Details
Learners explore how the attractive forces between water molecules create surface tension and allow certain objects to float on the surface of water.

$1 - $5 per group Ages 8 - 14 30 to 45 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