How Does Sand Take the Pressure?
Students experiment with dry sand to show the effects of surface tension on granular material. They make predictions about which burrows will collapse and how much weight they can bear.
6th - 8th Science 3 Views 1 Download
Penny Perfect Properties (Solid-Liquid Interations)
I can get more water to stay on a penny than you can! Collaborative pairs determine the volume of liquids that can be contained on the surface of copper pennies and plastic coins. The pairs analyze their results using graphs and go on to...
7th - 12th Science CCSS: Designed