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.

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.

Use this cool 2-page worksheet to make your own big dipper clock!

Nature is all around us! But how much does your child know about our natural world? Test her knowledge with some nature fun-facts trivia.

Don't let your kid bark up the wrong tree! Engage him in a word search filled with tree terms, boosting his attention to detail and problem solving skills.

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

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

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?

Invite spellers on an inter-stellar adventure with this fun word scramble puzzle.

Here's a stormy science adventure that will blow your socks off! Learn about tracking hurricanes with this map of coordinates.

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 about the science behind one of nature's most awesome spectacles: monsoons.

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.

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

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.

Here's a great way to teach your kids more about our solar system. This worksheet focuses on the dwarf planet, Pluto.

Can you and your child come up with a few ways to conserve water in your home? This printable starts you off with five ways to conserve water.

Let your child explore the vocabulary associated with Earth's landforms with this colorful word search.

Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!

Ready for liftoff? Take to the starry skies with this worksheet that explores the three basic types of galaxies.

Learn how sand dunes form, and a little bit about desert formations like yardangs as well, in this science summary sheet.

Mix a little art into your science with this reading-slash-drawing sheet on hills and valleys.

For kids learning geography or earth science, this is the perfect review sheet for drilling students on common geography terms and phrases.

Here's a quick overview of drought and flooding to spark thoughts or conversation with your kids about water.

Kids can explore ideas of storytelling and science as they fill in this comparison grid with their opinions. Start a conversation of ideas with this worksheet!

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

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

Searching for a worksheet to help your fourth grader with science? This printable will help him practice astronomy vocabulary.

Searching for a worksheet that will help your child practice their reading skills? This printable uses life science as a background to help young readers.

Where is the Earth in space? Check out this worksheet that describes where weÃand some of our neighborsÃare in our galaxy.