This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

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

Devise an argument for or against the possibility of resurrectin extinct species through DNA manipulation. Analyze data, report findings.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Describe the lives of commercially raised chickens. Contact local chicken farmers for information and advice. Write a detailed report about farming techniques.

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 the demonstrates Newton's Third Law using a milk carton filled with water.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

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

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.

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.