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

The water cycle plays a big role in weather patterns. Color this water cycle chart and get familiar with this cycle at work.

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

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

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

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 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.

Do you know how clouds form? Get the basic idea of how moisture in the air can become a cloud.

What is the difference between condensation and evaporation? Learn about natural cooling and heating processes that are caused by changing states of matter!

Sink or float? Your kid may be surprised to learn that the density of coke and diet coke aren't the same!

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!

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

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