NASA
Nasa: Planet Quest: Extreme Planet Makeover
Activity in which students create a planet based on distance from a star, age, size, and star type. The created planet is evaluated to determine if it can support life.
Enchanted Learning
Enchanted Learning: The Earth's Atmosphere
The Earth's atmosphere is a thin layer of gases that surrounds the Earth. It composed of 78% nitrogen, 21% oxygen, 0.9% argon, 0.03% carbon dioxide, and trace amounts of other gases. This thin gaseous layer insulates the Earth from...
Extreme Science
Extreme Science: Space Science: Our Solar System
Read about our solar system and its formation over 4.6 billion years ago. Find out about the planets, asteroids, meteors, satellites, and comets. More in-depth planet background can be accessed through links.