Did you know the surface of the Earth is always changing? Learn about the events that change Earth's surface with this crossword puzzle for second and third graders!

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

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

Discover how water flows in this informative environmental science worksheet!

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

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

Learn about some of the major U.S. watersheds in this fascinating science and geography worksheet!

Unearth fossils in this explorative third-grade worksheet!

What happens to water after it rains? Learn about the stages of the water cycle in this colorful worksheet!

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

Discover the animals and plants of the past in this fossil-focused worksheet!

Study the night sky with this hands-on science worksheet for third and fourth graders!

Analyze fossils with this engaging third-grade science worksheet!

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

Discover the impact of water on Earth’s landscape with this fourth-grade erosion worksheet!

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

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

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

Get students interested in exploring the great outdoors with this charming winter worksheet!

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

 Find out how animals can cause their environment to change in this kindergarten worksheet!