These 12 dinosaur names are all mixed up, and need a dinosaur expert to help unscramble the letters.

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

This packet of worksheets introduces children to food webs, an important life science concept.

Children will learn important facts about food chains in these worksheets.

The food chain is an important life science concept for fouth graders. This game makes it fun to learn!

These worksheets help kids understand food webs, an important part of the life science curriculum in fourth grade.

This multi-page worksheet provides an opportunity for kids to practice both their understanding of food webs and their reading comprension skills.

This nonfiction passage helps kids develop reading comprehension skills, as well as learn important ecological facts.

This worksheet is all about the U.S. space mission of Friendship 7, and will help kids with reading comprehension and U.S. history knowledge all at once.

This reading comprehension worksheet focuses on Brazil's incredible natural resources, targeting both Earth science and language arts.

Get to know the Apollo 11 space mission in this science and history worksheet!

Launch into learning with this worksheet on Gemini 4, one of the original missions in the early days of the U.S.'s space program.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

Discover some fun facts about the sun — and bring it to life with color — with this astronomy worksheet!

This is the story of our solar system. Learn about the life of Nicolaus Copurnicas and his great discovery. Learn more by answering the question at the bottom.

Learn a little about our planet with an Earth coloring sheet and find out more about our travels in to space by aswering the question at the bottom of the page!

Learn a bit about meteors, asteroids and comets as they travel across the night sky. Can your child round out the page by adding color to these orbiting rocks?

Learn Jupiter facts in this worksheet. Your child can test his knowledge of the solar system by answering the trivia question at the bottom of the page.

Learn about the "dwarf planet" in our solar neighborhood. There are more Pluto facts to learn, if you figure out the answer to the question on the page.

Learn facts about Mars, the great red planet in the night sky. There is more find out about space by answering the question at the bottom of the worksheet.

This printable features the planet closest to the sun. Learn Mercury facts and further your knowledge of outer space by discovering new things.

This worksheet features Uranus facts. Did you know this planet is blue and spins on its side?

Learn facts about Venus, the planet that shines the brightest in our night sky! Then practice your knowledge of the solar system with bonus trivia at the end.

Learn Saturn facts with this science printable, like that it is one of the large gas planets in our solar system!

Learn about the farthest planet in our solar system, Neptune. Facts include interesting bits about the vast winds that keep its surface moving!

Get swept up in this comprehensive worksheet about the awesome power of dust storms.

Does your little gardener know about compost? Test their knowledge of this sensationally smelly earth science process!

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

Not your typical crossword, this puzzle will have your child learning to recognize the shapes of the continents. Great for map skills and vocabulary!

Here's an introduction to different types of rocks.