Recycle OK
The Incredible Edible Landfill
Create an edible class model of a landfill using pudding, graham crackers, cookies, and licorice. After making the landfill model, the class discusses what each part represents and answers some other landfill-related questions. Then they...
US Department of Energy
Solar Distiller
Explore the sun's ability to distill contaminated water with this simple set of classroom experiments. After filling two glass bowls, one with muddy water and the other with salt water, they are covered with plastic wrap and placed in...
Michigan Sea Grant
Water Quantity
It may be tricky for a young mind to conceptualize that less than 1% of all water on earth is useable for humans to drink. Simulating the amount of fresh water available on earth by removing measured amounts of water from a five-gallon...