This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea determines which colors are more difficult to read at a distance.

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

This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

This experiment will explore whether adding different substances to a gel affects its strength.

The project investigates how friction affects motion by using different surface textures.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

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

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

This science fair project idea investigates if fats add to the flavor of food.

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

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

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

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

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.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

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.

In this project, the affects of vitamin E are observed on a rose petal.

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 determines which type of physical activity most improves memory.

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