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

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

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

Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.

If you think volcanoes are cool, this worksheet will blow your mind! Learn about the rock cycle by reading the paragraph and taking a multiple choice quiz.

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

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

Discover how water flows in this informative environmental science worksheet!

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

Learn all about light refraction by simply placing your pencil in a glass of water. Warning: your pencil may not be quiet the same afterward.

Get familiar with this food chain pyramid, from carnivores and herbivores to producers and decomposers; each group has a role.

There are a lot of structures that make up a new plant, called a seedling. Your child will learn what they're called with this life science word search.

Almost half of all known fish species call ponds, lakes, rivers, and other freshwater habitats home. Learn about freshwater fish in this worksheet.

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

Introduce children to photosynthesis with this fill-in-the-blanks life sciences worksheet!

Did you know plants make their own food? Discover how with this fill-in-the-blank worksheet for third and fourth graders!

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

Warm up your scientific thinking with this colorful worksheet!

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