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...
University of Arizona
The Exotic Vacation
Students explain the concepts and vocabulary of Earth's rotation. They plan imaginary vacations based on the seasons in different locations. This is a very creative lesson plan, which students enjoy.