This science fair project idea experiments with spinning color wheels and optical illusions.

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

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

This science fair project idea discovers the principle of conservation of mass.

This science fair project idea identifies and understands adaptations in birds.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea uses the process of chemical weathering to change a mineral.

This science fair project idea explores which kinds of earplugs are the most effective.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

This science fair project idea assesses the effect of music on work performance.

Do different types of oil mix or stack? Find out in this science fair project idea!

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Science fair project that determines the correlation between wind direction and subsequent weather patterns.

This science fair project idea explores substances that cause a bubble to last longer.

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

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

This science fair project idea tests the efficiency of short term memory.

This science fair project idea explores whether the color of surroundings affects human mood.

This science fair project idea produces sounds by creating vibrations using different objects.

This science fair project idea investigates how the shape of an object affects drag.

Science fair project that determines whether mass and weight are the same or different.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

This science fair project idea explores whether color affects a person's emotional state.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

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

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

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!