Website
American Museum of Natural History

A Closer Look at Mars

For Students 6th - 12th
A website looks at how we know so much about Mars—telescopes, robots, and spacecraft—and the search for martian life. Following the informational text are three questions that quiz pupils about possible life on Mars. 
Website
NASA

Nasa Star Child: The Planet Earth

For Students 3rd - 8th
Facts about the Earth including its orbit, its atmosphere, and its landforms. Includes a discussion question on seasons, with facts about them, and the answer. A linked page covers similar material in a "Level 2" version, and has a...
Website
abcteach

Abcteach: Earth Day Activities

For Teachers Pre-K - 1st
[Free Registration/Login Required] How can you treat the earth with more respect? Check out this resource featuring links to elementary activities to celebrate Earth Day. You will find word searches, crossword puzzles, reading...
Website
Space Telescope Science Institute

Hubble Site: Hubble Monitors Weather

For Students 9th - 10th
This site is from Hubblesite which is provided by the National Aeronautics and Space Administration. "What's the weather for Mars and Venus? The Hubble telescope has given astronomers a peak." Site provides images, video as well as...