Here's a great worksheet for teaching your kids all about the planet Mercury. Did you know that it's the smallest planet in our solar system?

Third grader today, astrophysicist tomorrow! Let your child research their planet of choice, and discover everything from the number of moons to temperature.

Did you know that Uranus can get as cold as -144° Fahrenheit? Learn more about the third largest planet in our solar system on this planet printable.

Ever lay on your back to watch the clouds? With this cloud chart you and your little scientist can identify the different types of cloud formations.

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.

How much do you know about our solar system's planets? Kids learn facts about Neptune in an out-of-this-world worksheet.

This helpful worksheet lays out all the qualifications for planethood. A great way to start studying outer space science!

Children get to know a few geology terms in this landform word search puzzle.

This worksheet features a scientific explanation and awesome photos of solar eclipses, which are extremely rare scientific phenomena.

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.

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.

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.

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.

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

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.