Did you know that ocean water is salty, but river water is not? Find out how fresh and salt water mix together in this water cycle worksheet.

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

Did you know that there is no new water on Earth? It all gets recycled and reused in a process that we call the water cycle.

All living things need water to survive. Listed are some of the ways we use water: can your child think of others?

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

Start from water cycle precipitation from clouds and match parts of the cycle to this clear colorful image of a simple water cycle, using the helpful paragraph.

Looking for a fourth grade worksheet to help your kid with science? This printable will test his knowledge of the water cycle.

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

Can you and your child come up with a few ways to conserve water in your home? This printable starts you off with five ways to conserve water.

How do clouds form? Why does it rain? Help your student answer some of these questions by completing this water cycle worksheet.

Children hone their observation skills by matching the tracks to their corresponding water animal in this 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!

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun worksheet!

What happens to water as it travels through mushy, smushy wetlands and swamps? Find out all about the water cycle and fill in scientific terms in the swamp.

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!

Create and observe your very own rainbow using light and water with this science experiment worksheet!

Here's a quick overview of drought and flooding to spark thoughts or conversation with your kids about water.

How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade 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.

Find out the the cool science behind ice cubes with this fun worksheet.

Rainbows look like swipes of brightly colored paint hanging in the sky. Have you ever wondered how they got there?

Teach your child how we measure temperature with these printable thermometers!

Children are introduced to the basic concepts of cloud formation in this diagramming and fill-in-the-blank activity.

Decide which plants could live in a grassland with this second- and third-grade worksheet!

Construct your own map with this hands-on science worksheet for second graders!

Determine which plants would survive in a pond with this second- and third-grade worksheet!

The rainforest is a vibrant, lush place teaming with life! Have your little environmentalist think of some ways to help the rainforest.