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.

This science fair project idea investigates food preference of birds.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

This experiment evaluates if people of a specific gender or age more likely have an elevated number of taste buds, allowing them to taste what others cannot.

This project explores differences in people's reactions to images in color and images in black and white.

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

This experiment will investigate whether reward or punishment is more apt to motivate people.

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

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

In this cool robotics project, construct a motorized robot with a sensor and put it through a maze test to find the number of errors it makes along the way.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

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.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

Test whether cutting up meats will make it cook faster than just cooking it whole.

Evaluate gender differences in processing visual information.

This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

This science fair project idea determines if a particular chemical has an effect (increase or decrease) on the heart rate of Daphnia.