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...
Curated OER
Sustainable Island Development
Students explain how the basic human needs of a large group of people can be met. They describe and evaluate alternative methods for providing water and food, producing electricity, handling wastes, and transporting goods and people....
Curated OER
Forensic Detectives: Archaeology at Work
Dig in! Middle schoolers learn about archaeology by exploring the remnants of the Chiribaya bodies found in Illinois. Compare archaeological investigations, and then write a mystery detailing the discovery of a body! Consider bringing in...
Curated OER
How Do We Learn About the Past?
Sixth graders discuss the role of an archaeologist as a class. After viewing photographs, they relate the objects found in their local area and Ancient Egypt. They draw a picture of an object that represents their own culture and gives...