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?

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

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade 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.

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

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.

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

This worksheet teaches all about the planet Saturn and its placement in the Solar System.

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.

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.

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!

This is the story of our solar system. Learn about the life of Nicolaus Copurnicas and his great discovery. Learn more by answering the question at the bottom.

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

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

This worksheet features Mercury, the smallest planet in our Solar System, and also the planet that's closest to the Sun.

Invite your child to dream big and design their very own planet. Encourage both creativity and scientific speculation with this fun worksheet.

Educate your budding scientist about fossil fuels with this worksheet about non-renewable energy.

Teach your child about the layout of the Solar System with this simple worksheet, featuring the planet Neptune.

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

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

Teach your kids all about the second planet from the Sun with this simple science sheet.