Here's an introduction to different types of rocks.

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.

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

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

What is the rocky cycle? This info sheet answers that question with the help of a colorful diagram and a shout out to important vocabulary.

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

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

How much do you know about our home planet? Boost your Earth knowledge with this science printable.

Did you know that ocean water is salty, but river water is not? Find out how fresh and salt water mix together in this water cycle worksheet.

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

Teach your child how to respect the ecosystem with a science worksheet that doubles as a coloring page. Can they identify the sources of pollution in the scene?

Looking for a way to teach your kids all about the planets? This worksheet is the way to go. It features Venus, the second planet from the sun.

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

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.

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?

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.