This project is about after-images and what possibly affects them.

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

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

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.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

People have favorite flavors, but what about ants? Which ant food is the most popular?

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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.

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.

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

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

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.

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

Check out this cool science fair project on identifying rocks and minerals for kids.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

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.

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?