In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Determine how we can separate the components of a solution

Discover flight initiation distance as you play around in the park with this fun bird watching project!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This biodiversity project examines the biodiversity in your own backyard.