How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

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

Our solar system has hundreds of moons! Read a bit about how a moon is formed with this lunar lesson.

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.

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.

Do you know why Mars is called the Red Planet? Find out that and more on this planet printable.

Does your learner ever wonder what makes the Earth dark at night and bright during the day?

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.

If you're fascinated by bugs, check out this coloring page featuring the insect order Odonata, which consists of damselfies and dragonflies.

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.

Did you know there are clouds in space? They are very different than the ones on Earth! Read a bit about nebula in this space science worksheet.

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

What is the Earth made of? Find out everything that goes on just below the surface in this science reading worksheet.

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.

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

That's not a lake... it's a crater! Get the scoop on some of the world's most well known craters with this space science worksheet.

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

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

Life on Earth is vast and varied, from high in the sky to the bottom of the sea. Learn more about what lives on Earth with this reading and quiz worksheet.

How do you think our universe will end? With this worksheet, explore some of the common theories, and then come up with some of your own!

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.

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

What happens to water as it travels through mushy, smushy wetlands and swamps? Find out all about the water cycle and fill in scientific terms in the swamp.

Does your child have a knack for astronomy? Teach him about the constellations with this great worksheet.

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.

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

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.

Quite possibly the most famous constellation, the Big Dipper is a small part of Ursa Major, the big bear constellation.

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