American College of Sports Medicine
Selecting and Effectively Using Hydration for Fitness
How much water does your body lose during exercise? How much should you hydrate during and after exercise? Address the importance of hydration with your young athletes using this informative handout.
Centers for Disease Control and Prevention
Tobacco Use and Secondhand Smoke Exposure Is High in Multiunit Housing
Much has been written recently about the danger of secondhand smoke. Laws have been passed to limit that exposure in offices, transportation centers, and public areas. But what about apartment buildings, condos, public housing, and other...
National WWII Museum
A New War Weapon to Save Lives
Young historians view and analyze photos and documents from WWII that are related to blood transfusions and blood plasma. A demonstration of correct and incorrect blood donors visually shows the importance of knowing blood...
Curated OER
What Are Cells?
Energize the cells of young biologists with an edible life science activity. Engaging students in exploring the inner workings of plant and animal cells, this activity involves using colored jello and various sweet and...
National Institute of Open Schooling
Radioactive Pollution
Radioactive pollutants can enter the body through ingestion, inhalation, absorption, or injection. The last lesson in a series of 36 introduces pupils to radioactive pollution. They study its sources, both natural and man-made, its...