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

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!

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

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

Space enthusiasts will love learning about Freedom 7, the first manned American space mission.

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

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

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.

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?

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

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?

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.

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

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

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

There are lots of stories around the world for the rabbit moon: a rabbit image seen in the shadows on the moon's face. Here's one for young moon-gazers!

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

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

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 worksheet is a quick-reference tool of space vocabulary for kids, with an exercise to use the words properly in provided sentences.

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.

This word search introduces your child to important rocks and minerals vocabulary, as it strengthens his attention to detail.

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

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

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