A budget-friendly lab that shows that water molecules are bipolar. A floating cork cannot stay centered in the glass of water until the water level rises and starts to bulge over the rim. Illustrates cohesion of water molecules and surface tension.
Demo Pack includes: 1 6" Toobe, 1 eyedropper, 1 box paperclips, 1 cork.
Study Group Pack includes: 4 6" Toobes, 4 eyedroppers, 4 boxes paperclips, 4 corks.
Classroom Pack includes: 10 6" Toobes, 10 eyedroppers, 10 boxes paperclips, 10 corks
Find the Lesson Plan Here