Earth’s WaterIs that all?

Information and pictures from USGS “Water Science for Schools” Website

http://ga.water.usgs.gov/edu/index.html

-I did a demo with 100 M&M’s to represent 100% of Earth’s Water. If the students guessed the correct percentage of water available for human use they get to eat that number of M&M’s -The correct answer is 1/100 of an M&M (basically a fleck from the candy shell).

Earth’s WaterA picture showing all

Earth's water (liquid, ice, freshwater, saline) as a sphere. It would be about 860 miles in diameter (about the distance from Salt Lake City, Utah to Topeka, Kansas, USA).Credit: Illustration by Jack Cook, Woods Hole Oceanographic Institution; USGS.

Water We Can Use

Water We Can Use

Water We Can Use

BrainPOP “Water Supply”http://

www.brainpop.com/science/earthsystem/watersupply/