These two children sure look alike -- maybe because they're twins!

Find a definition of what "natural resources" are, and complete the natural resources word search. It's a good vocabulary warm-up!

Use this cool 2-page worksheet to make your own big dipper clock!

Complete this simple and engaging exercise about the planet Mars by reading the information and labeling Mars' layers using what you've learned.

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.

Print out a set of weather-themed postcards to give your child practice identifying seasons. These weather postcards also allow kids to practice writing skills.

Do you know what the Aquarius constellation looks like in the night sky? Complete this dot-to-dot worksheet to find out!

How do you know when it's wintertime? Have your child complete this winter writing prompt to exercise writing skills and reinforce seasonal knowledge.

Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

Did you know snowflakes are so unique, there are no two alike? Teach your child about how snow forms with this worksheet.

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

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.

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

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

This worksheet is a quick-reference tool of space vocabulary for kids, with an exercise to use the words properly in provided sentences.

What is a plateau? What's the difference between a butte and a mesa? Look at these three land forms and learn to tell them apart with this worksheet.

Kids completing this preschool science worksheet circle the appropriate clothes for fall weather.

How do clouds form? Why does it rain? Help your student answer some of these questions by completing this water cycle worksheet.

Does your child know where Earth is in the Solar System? He'll learn as he completes this fun, planet printable.

A natural resource is something that we use that occurs naturally in the environment. Teach your child about the densest and heaviest natural resource: rocks!

Discover how cover crops enrich soil and support healthy crop growth with this research-based worksheet for fourth and fifth graders!

Learn about and color in space suits in this three-page science worksheet!

Searching for a worksheet that will help your child practice their reading skills? This printable uses life science as a background to help young readers.

Discover the ways that you can help the planet in your everyday life in this inviting worksheet!

Let your child explore the vocabulary associated with Earth's landforms with this colorful word search.

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.

Blast off deep into space with this science worksheet featuring the dwarf planet, Pluto.

There's no better way to get your child thinking about the weather than by having them write about it. Kids write a sentence about the weather in each picture.

Searching for a worksheet to help your fourth grader with science? This printable will help him practice astronomy vocabulary.