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

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

This science project investigates the influence of different genres of movies on appetite.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This science fair project idea explores the egg's thin membrane.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

This activity is a fun challenge for students who have just started learning to program educational robots.

The objective of this experiment is to evaluate the effects of acid rain on plants.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Thoroughly research image search engines. Consider possible improvements for visual search engines. Help design better image-matching engines.

This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

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

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!