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.

The project investigates how water and movement affects erosion.

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.

Get a better understanding of water content by dehydrating carrots.

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.

In this project, waves of vibrations are experimented with using water in glasses.

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.

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

This project examines the concentration of dissolved oxygen in water, with and without oil.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

Use pepper and soap to discover some fun facts about the properties of water.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

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

Free science fair project idea examining how different types of water affect plant germination and growth.

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.