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.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

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

Explore the negative and positive consequences of stereotypes.

Determine which metal has the highest rate of conductivity.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

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

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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

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

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.