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.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Learn how different types of soil affect how animal tracks form in this experiment!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea investigates the difference in reaction times between boys and girls.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This science fair project idea raises awareness of a real ecological issue.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

This science fair project idea produces consumable fresh water from salt water through desalination.