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

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

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

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

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

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

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

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.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

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

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 car that can be powered by a balloon!

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

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

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

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

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.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

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

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

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

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

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

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.

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

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

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