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This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Determine which metal has the highest rate of conductivity.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This project explores ways to prevent static electrical shocks.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

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

Test the combustion of different types of woods.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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!

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Will the shape of an ice cube impact how fast the ice melts?

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

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

This experiment will explore how manipulating a graph of historical information might reveal new information about data.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.