NASA
Collecting Electromagnetic Radiation
Astronomy is literally over your head, but this lesson will explain how we study it. Young scientists make telescopes, calculate and compare the light gathering power of lenses, and simulate detection of infared radiation. Materials...
Curated OER
Water Conservation
Open learners' eyes to the challenge of finding safe drinking water – something we often take for granted in our country. The PowerPoint presentation includes images, graphs, diagrams, and even a video to stimulate discussion on how we...
NOAA
The Cycle of Water
Help young scientists get to the bottom of the water cycle with this comprehensive earth science lesson. After first viewing and discussing presentations about the states of water and the water cycle, the class performs a series of...
NOAA
The Cycle of Water
Young water cycle enthusiasts discover the water they have been using has been cycling around the earth for billions of years. Through presentations, learners will understand that water has three states and how these forms fit into the...