Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

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

Here's a beautiful science page to help your child learn the different types of clouds.

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Children match animals to their ecosystems in this life sciences worksheet.

Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

Read about how the capybara live and other interesting facts about capybara. Sure to satisfy your curiosity about capybaras!

Dig your hands into some earth science with this soil sheet! Your little scientist can hone his reading skills as he learns what soil is and how it is formed.

Outer space enthusiasts, here is the perfect project for you! Make a solar system mobile with this 8-part printable.

How much do you know about man's best friend? This fun worksheet is jam-packed with fun facts about dogs!

Is your child trying to answer the question what is weathering and erosion? This info sheet gives good definitions of the terms and some visual examples.

Children put their science vocabulary to the test with this engaging crossword puzzle!

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.

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

Budding scientists can learn about an important physical science concept with this worksheet all about density!

Can your little geologist identify the three main types of rock? Test his earth science savvy with a matching activity.

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

Here's an introduction to different types of rocks.

Facts about ostrich include that they are the largest birds in the world and that they can't fly, but that's not all. Learn all about this amazing bird!

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

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Kids find forest animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

Kids need lots of things to grow up healthy and strong, and plants do, too! Can your child think of things a plant needs to grow?

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun worksheet!

Looking for a fourth grade worksheet to help your kid with science? This printable will test his knowledge of the water cycle.

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

Here's a fun way to review photosynthesis with your child! She'll show off her science knowledge as she answers questions to complete the crossword puzzle.

Kids find desert animals in this science word search. Animal habitat worksheets help students learn about life forms in different environments.

As your child matches up the body systems vocabulary with the correct definitions, she'll boost her life science knowledge and have fun doing it!

Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.