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

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

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.

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.

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.

Unearth fossils in this explorative third-grade 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.

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

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

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

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

A fill-in-the-blank exercise on tornadoes, made for fifth grade science students.

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

Discover examples of weathering, erosion, and deposition with this fourth-grade worksheet!

Analyze fossils with this engaging third-grade science worksheet!

Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

Discover some of the ways that Earth’s natural resources are used in this first-grade worksheet!

Illustrate each season with this engaging first- and second-grade weather worksheet!

Discover the phases of the moon with this third- and fourth-grade space science worksheet!

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

This water cycle worksheet is great for 5th grade scientists. Try this water cycle worksheet with your child as a review for test preparation.