This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

Science fair project that creates fog using bottles of hot and cold water.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

This science fair project idea identifies and understands adaptations in birds.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Discover which fabrics shrink the most in the wash and why.

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

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

In this activity your child will create their very own marble maze!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

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

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.