NASA
The Atmospheric Filter
What is the difference between a comet and a meteoroid? An educational lesson includes five demonstrations of how the atmosphere can inhibit our ability to measure many things in the galaxy.
Curated OER
Traveling the Silk Road: A Multimedia Approach
Students transfer what they have learned about China into an electronic project. In this collaborative project, students take what they have learned from their textbooks and synthesize the information in order to create an electronic...
Department of Defense
Do Dea: Spreadsheet Software Applications: M1: L1: Computer Essentials
In Module 1 Lesson 1 of this course, students are introduced to the basic functions of computer system components, to some technical vocabulary, and they will learn about computer security, privacy, and crimes. They will also learn how...