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This experiment will explore whether adding different substances to a gel affects its strength.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Science fair project that compares tap water and bottled water for the presence of common impurities.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Science fair project that uses distillation to convert salt water into fresh water.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

This project researches whether the type of land use affects the water quality of Queenstown Creek.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

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?

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

This science fair project idea demonstrates that plants give off water.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

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

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.