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

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.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

By tracking nutritional information from candy wrappers, your teen can use statistics to find which treats offer the fewest tricks on Halloween!

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

This science fair project idea studies how talking on a cell phone affect driving?

Help your teen set--and maintain--an exercise routine and health goals that will improve his overall well-being.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Your fourth grader will hone his fine motor skills and learn to follow directions as he creates this recycled angel tree topper out of an ordinary soda bottle!

Use the holiday gift giving season as an excuse to give your fourth grader a valuable lesson in making and keeping a budget!

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

As your fifth grader brainstorms and creates a plan for peace, your child will give his creativity and fine motor skills a boost!

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

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

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This science fair project idea examines whether music has an effect on a person's ability to complete a simple task that requires concentration.

Make a Canadian-Themed dinner with your child to celebrate the 2010 Vancouver Winter Olympics!

Create your very own Sleep Book filled with a menagerie of made-up nonsense creatures and discover how different animals catch some zzz's.

Here's a fun activity to reinforce simple short and long vowel words for your first grader.

Celebrate Dad with this decorative stepping stone for your garden!

The Declaration of Independence set forth inspiring ideals of liberty. If your kid had the chance today, would she sign the Declaration?

This fun and easy project is the perfect way to help your first grader remember who's who, practice her handwriting, and help decorate for Thanksgiving.

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.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.