This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

This science experiment tests if dog saliva can really help heal wounds.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

This science fair project examines whether ocean water can be made safe to drink.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

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

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

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

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

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

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

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

This middle school project examines the strength of horizontal versus vertical pointing eggshells.