Astronomy

Check out science resource books, science picture books and hands-on science items at SproutClassrooms.com for 50-90% off retail!

It's out of this world! (hardy, har, har....)

Also check out the Space theme page.

Random
Space Clip Art- I found this frame on the Oriental Trading Company website and thought it would make cute bulletin board clip art.  Copy this onto a transparency, put on the overhead and trace onto poster board.
NASA Educator Guides- Free!

Mars

Stars
Lives of Stars- Students graph star temperature and color