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Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

A Thunderous Sound

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

Does Mint Actually Cool Things Down?

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Do Screen and Text Color Affect Retention?

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Invisible Fingerprints: CSI Style!

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Specific Heat of Water vs. Specific Heat of Sand

How do organic materials become soil? This science experiment measures what materials biodegrade.

Dig This: Biodegradation

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

How to Measure Viscosity of Liquids

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Bee Homes: Which Nest is Best?

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Plane Mirror Reflection Experiment

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

How to Make a Lung Model

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Growing Bacteria

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

What Lives in the Air Conditioner?

This science fair project idea explores whether color affects a person's emotional state.

The Effect of Color on Emotions

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Handedness and Footedness Test

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Text on Screen vs. Type on Paper: Which is Easier to Remember?

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Memorizing Numbers

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Most Popular Soda

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Water Salinity

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Cats & Dogs

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

3D Animal Cell Model

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Fresh Food vs. Frozen Food

Windmills have been around for generations to grind food and create energy. During this challenge, students will use various materials and put their engineering skills to work by creating their own windmills.

Wacky Windmill Challenge

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Eye Witness, You Witness

This science fair project teaches students about wilting and browning of salad greens.

Why Do Greens Turn Brown?

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Helium Rising

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Ping Pong Ball Anemometer

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Don't Rock the Boat

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Whatever Floats Your Boat

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Homemade Butter

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Favorite Colors

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