What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

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

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

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!

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