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There are many endangered species all around the world. Read about the Amur leopard and why it's endangered with this information page.

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

Learn more about the animals in the swamp food chain, and find out how each living thing in a swamp ecosystem needs another to survive.

Explore magnetism with this colorful science worksheet for third and fourth graders!

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

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

Get a lesson in sports and science with this engaging third- and fourth-grade worksheet!