Curated OER
Science Kids: Science Images: Space Training
At the NASA Ames Research Center in Mountain View, California, astronauts use a special exercise device to measure the effect of weightlessness on the human body during long space flights.
US Geological Survey
Us Geological Survey: Glaciers and Ice Caps: Storehouses of Fresh Water
Locate glaciers and ice caps on a world map at this USGS site. Read about the formation of galciers and other interesting facts. Learn about the effects glaciers have on the landscape, and of their importance for our fresh water supplies.