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

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

How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.

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

Milky Way: candy bar or galaxy of 100 to 400 billion stars?

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

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!

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

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.

From glaciers to mountains to wetlands, our planet has lots of different landforms. Help your child learn all about them with this fun earth science crossword.

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.

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.

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

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

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

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

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

How far away is the Red Planet from the sun? Find out with this great Solar System printable.

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

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.

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.

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

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

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.

Learn about how the Earth was formed in this science worksheet that covers the early years of the Earth.

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

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.

Color in the gold and red colors of this common grasshopper species and learn about insect orders with your child!

What is a plateau? What's the difference between a butte and a mesa? Look at these three land forms and learn to tell them apart with this worksheet.

Blast off into space with a fun planet printable. This one features Jupiter, the largest planet in our solar system.