CK-12 Foundation
Ck 12: Earth Science: Study of Space by the Electromagnetic Spectrum
[Free Registration/Login may be required to access all resource tools.] Overview of the electromagnetic spectrum.
TeachEngineering
Teach Engineering: Solar System!
An introduction to our solar system: the planets, our Sun and our Moon. Students begin by learning the history and engineering of space travel. They make simple rockets to acquire a basic understanding Newton's third law of motion. They...