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

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

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

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

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Discover whether people can distinguish what a person looks like just by listening to their voice.

Science fair project that builds a magnetometer and demonstrate its uses.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

This science project challenges high school students to study the linguistic evolution of text messaging.