Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Does your child have trouble holding a pencil? Is writing an excruciating task? The key is to build up those hand muscles! This water relay race can help.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Get a better understanding of water content by dehydrating carrots.

This is a surprising science experiment that your child will surely be awestruck by! It involves poking sharpened pencils into a bag filled with water without spilling a drop of water.

Toothpaste plus water equals the start to a magical winter paper project.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

In this science fair project, young children discover what happens when two fluids that have different densities get together.

It's a race against time to see how quickly she can color match and correctly place all of the water beads!

Make a "magic dough" using only flour, water and food coloring and have the kids guess what color appears.

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

This science project lets kids explore what happens when water and paper interact, and it produces homemade paper perfect for gift tags or stationery.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Using water, corn syrup, and sequins, your child can create a unique art project while exploring what happens when different liquids are mixed together!

Delight your child by helping them to construct a boat that can hold two seaworthy toy figures in this engaging project made from upcycled water bottles.

Use these pretty egg carton flowers to decorate a spring table. They don't require water, they'll never wilt, and they're perfect for Easter.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Give your science savvy kindergarten a lesson in plant science with this fun carnation experiment.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Encourage imagination and creativity with this magical craft that lets your child make and design his very own dragon egg.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.