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

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

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.

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.

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.

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.

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!

Discover Earth’s four major systems, or spheres, in this engaging fifth-grade worksheet!

Learn what distinguishes a meteoroid, meteor and meteorite with this outer space science sheet!

What is Pluto? According to scientists... no, not quite. Find out more behind the answer to that age-old question.

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

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

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.

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

Did you know there are clouds in space? They are very different than the ones on Earth! Read a bit about nebula in this space science 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.

Discover the difference between comets and asteroids in this stellar earth and space science worksheet!

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!

Shake up your science studies with this worksheet about earthquakes.

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!

Water covers 70% of Earth’s surface—but where exactly is it? Find out in this fifth-grade worksheet!