This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Create an outer space painting with chalk, water and black paper in this art project that explores the solar system.

The project presents a tactile way to paint using water beads! The result will be a beautiful, expressionistic work of art.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

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

Encourage your child to learn about air pressure by helping him devise his own squirt gun with a water bottle.

Challenge your fourth grader to try to recreate the geography of her state using just flour, salt, and water.

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Help your child use an old water bottle and a few other household materials to make her own eco-friendly pal!

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

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Horchata is a very popular type of agua fresca, or fresh water, that is enjoyed throughout Mexico. Here's how to make your own!

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.