What happens to water as it travels through mushy, smushy wetlands and swamps? Find out all about the water cycle and fill in scientific terms in the swamp.

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.

You can find rocks almost anywhere, but there's a lot more to rocks than meets the eye. Check out this science worksheet to learn all about rock formations.

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?

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

Learn more about the imposing tsunami with this worksheet about the science of tsunamis.

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

Did you know that before they were zodiac signs, characters like Taurus the bull were all constellations!

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

Peel back the layers of the earth in this earth science worksheet. Can you name all of them?

This Earth Day quiz family and friends with this true or false questionnaire. It's all in good, informative, fun!

With this diagram, kids can find out more about oil, one of our most widely-used natural resources, and learn a little more about where it comes from.

Uncover secrets of the past with this third-grade worksheet about fossils!

All of these products are made from plants, or they can be! Practice using a Venn diagram, researching and classifying items with your kids.

All living things need water to survive. Listed are some of the ways we use water: can your child think of others?

How was our solar system created? Read a bit about one of the most well-known theories in this worksheet about the Big Bang.

Learn about the farthest planet in our solar system, Neptune. Facts include interesting bits about the vast winds that keep its surface moving!

Back in ancient times, before people knew what the stars were, they told stories about them! With this worksheet, learn about the constellation Cygnus.

Did you know that there is no new water on Earth? It all gets recycled and reused in a process that we call the water cycle.

Kids will learn about fossils in this worksheet. Help your child learn about the scientific method by getting him to examine a fossilized dinosaur skeleton.

Use this fossils worksheet to help a child learn about life on earth. Your child will learn about evolution and extinction, and also form a hypothesis.

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.

Studying earth science? Learn about the different types of clouds with the series of cloud types.

Shake up your science studies with this worksheet about earthquakes.

Learn a little about our planet with an Earth coloring sheet and find out more about our travels in to space by aswering the question at the bottom of the page!

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.

Learn about some of the major U.S. watersheds in this fascinating science and geography 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!

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

Teach your child about prehistoric marine species with this trilobite coloring page!