Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

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

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

This science fair project idea investigates food preference of birds.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Determine whether the application of Febreeze will lower the bacterial count.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Science fair project that determines how we can change potential energy into kinetic energy.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.