Description:
How much water does it take to grow a head of lettuce of to "grow a hamburger?" When the creek behind your house floods, how do we measure the amount of water flowing? What is pH? What are the effects of acid rain? Do you know where the Earth's water is and how water moves through the Earth system? For information on these and other questions, you can check out the USGS Water Science for Schools website.

Organization:
US Geological Survey (USGS)

URL:
http://water.usgs.gov/droplet

Cost:
Free over the Internet

Education Level:
Grades 5-8
Grades 9-12

Subject:
Water Cycle
Water Resources

Resource Type:
Internet Site
 
 

Date Added to teachearth.com:
5/1/00