Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science fair project discovers the properties and uses of sand and develops new or improved methods, techniques, or products involving sand.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

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

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

This project investigates an interesting question: If one learns to write backwards, is one also able to read backwards?

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

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.

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

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

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

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 discovers new ways to use recycled materials and encourages new architectural design ideas.

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

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

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.

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

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

This science fair project idea determines the properties of rainwater and examines the techniques for harvesting rainwater.

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

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...