This science fair project idea produces consumable fresh water from salt water through desalination.

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

This twist on the classic game of freeze tag spells fun for your fourth grader--and the whole family!

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

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

This science fair project idea demonstrates the process of land erosion.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Investigate which substances are most effective at removing salt from water.

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.

In this experiment we use Scotch Guard to make sand that resists water.

In this project students experiment with making music using only glasses of water.

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

Science fair project that creates fog using bottles of hot and cold water.