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

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

This project involves the development of a website using free software online to promote the value of science.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Using a toy race car kids create a visual model of the Doppler Effect.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.