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

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

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.

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.

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

Explore the science of the sun with this make-your-own sundial activity! Just do a little bit of cutting and coloring, and let the sun do the rest of the work.

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

Does your little gardener know about compost? Test their knowledge of this sensationally smelly earth science process!

Tree climbers and tree huggers alike, learn the basics of reading tree rings to find out about the life of a tree.

The earth is always changing and moving.Learn all about weathering and erosion with this worksheet.

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.

In this puzzle, children will trace the names of the seasons, then cut them out and paste them below the correct picture.

Here are listed a handful of natural resources, for kids to classify as renewable resources and nonrenewable resources.

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

Search for natural resources at the beach in this engaging worksheet for second and third graders!

Try to find natural resources in this camping-themed worksheet for second and third graders!

Search for natural resources with this fun worksheet for second and third graders!

This solar system worksheet guides your child through the order of the planets. Use this solar system worksheet to learn about the planets in the Milky Way.

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 Earth’s different spheres with this fourth- and fifth-grade earth science activity!

Explore how Earth’s surface can change in this investigative second-grade worksheet!

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

Dig into the past with this third-grade worksheet all about fossils!