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.

What does the Earth look like? Find out all about the nooks and crannies that cover the planet with this landforms worksheet.

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

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

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

Get to know each of the Seven Summits, then organize their heights into a graph.

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!

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of plants.

Help kids understand the size and scope of billions of years with this helpful reference worksheet.

What is Pluto? According to scientists... no, not quite. Find out more behind the answer to that age-old question.