NASA
Ripening of Fruits and Vegetables
How long do fresh foods last in space at the International Space Station? Which foods perish quicker than others? How can astronauts preserve their foods to make them last longer in space? Young scientists test the rates at which some...
Newspaper Association of America
Cereal Bowl Science and Other Investigations with the Newspaper
What do cereal, fog, and space shuttles have to do with newspapers? A collection of science investigations encourage critical thinking using connections to the various parts of the newspaper. Activities range from building origami seed...
Lake Science Collaborative
Blood Circulation Simulation
Act out the circulation of blood in the body with an innovative activity. Kids act as either body parts or blood, and carry necessary nutrients and waste throughout different stations to represent the way that oxygen circulates.
US Environmental Protection Agency
Tree Rings: Living Records of Climate
Open with a discussion on weather and climate and then explain how tree rings can provide scientists with information about the earth's past climate. Pupils analyze graphics of simulated tree rings from various US locations for the...