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-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 Water. Is that all?
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-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 Water Is that all? Information and pictures from USGS “Water Science for Schools” Website http://ga.water.usgs.gov/edu/index.html
Earth’s Water • A 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.
BrainPOP “Water Supply” • http://www.brainpop.com/science/earthsystem/watersupply/