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

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

This science fair project idea is develops a modern interior lighthouse design and encourages lighthouse preservation and restoration.

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

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.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

The project idea is to understand how sugar effects brain chemistry.

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

This science fair project idea designs a unique, eco-friendly living space and encourages advances in green architecture.

An home science experiment for older students that teaches about the science behind heat.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

This science fair project idea demonstrates the property of bouncing in a fresh new way.

This science fair project idea produces varying pitches of sound.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

This science fair project idea teaches what wildlife rehabilitators do and about the process of wildlife rehabilitation.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea investigates the difference in reaction times between boys and girls.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

Science fair project that creates fog using bottles of hot and cold water.

This science fair project idea discovers new ways to use recycled materials and encourages new architectural design ideas.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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.

Explore the negative and positive consequences of stereotypes.

Determine which metal has the highest rate of conductivity.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

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