This science fair project idea determines which flower lasts the longest.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

Demonstrate how to tell the age of an egg without having to crack it open.

Science fair project that demonstrates how stalagmites and stalactites are formed.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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.

Test whether plants can grow without sunlight and water.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

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

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

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

Free science fair project idea examining how different types of water affect plant germination and growth.

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

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

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

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

This project concerns activity happening millions of miles away, on the sun.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.