Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

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

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

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

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

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.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

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 is develops a modern interior lighthouse design and encourages lighthouse preservation and restoration.

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

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

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

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

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

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.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

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

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

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

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 lets you build your own wind tunnel and tests different models of paper airplane.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.