The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This experiment explores how listening in to a one-sided conversation affects concentration.

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

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

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

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

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

Construct and experiment with a periscope using reflected light rays to gather an image.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

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