A long time ago, a galaxy formed that contained a solar system with eight planets—or nine depending on who is counting. A collection of 22 lessons has middle schoolers examine the Outer Planets of the solar system. They calculate the...

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune are the eight planets in our solar system. Use this collection of reading comprehension worksheets to check young astronomers' understanding of reading informational text....

Martians beware! Earthlings are on the way! A 13-resource collection prepares future astronauts for space travel by studying interesting facts about the Red Planet, the history of Martian exploration, and the development of robotics....