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.

Our solar system has hundreds of moons! Read a bit about how a moon is formed with this lunar lesson.

Here's a fun way for kids to review their knowledge of earth science terms. Challenge your child to give a definition of each word as he finds it.

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

This earth sciences worksheet offers a simple and informative overview to a fascinating geological phenomenon.

Do you know how clouds form? Get the basic idea of how moisture in the air can become a cloud.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Explore one of the great mysteries of the universe with this space science worksheet on black holes.

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.

First graders can learn all about the sun by reading the facts then using what they've learned to label each layer of the sun.

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

Let your coloring skills blossom with this flower anatomy worksheet. Make your own flower, color and put your vocabulary skills to the test!

Learn Saturn facts with this science printable, like that it is one of the large gas planets in our solar system!

Practice geology vocabulary with this challenging crossword puzzle.

Predict the weather with this fun-filled forecasting worksheet! Your child will review basic weather terms and practice her observation skills.

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.

Almost nothing in this universe can travel faster than light! Have some fun exploring the speed of light with this space science worksheet.

A coloring sheet of a Mars rover searching for life on other planets.

Brrr, it's cold outside! In this worksheet, kids practice reading thermometers to figure out what the temperature is.

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.

Get wise about wind! Even though you can't see it, wind is a powerful force caused by changing temperature in the air.

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.

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.

Wind has its own unique properties that help shape the weather. Give your little scientist a heads up with these wind facts!

Learn more about molecules and how they comprise the air all around us in this intro-to-earth-science worksheet.

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

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!