How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

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

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

Learn whether writing things down really makes things easier to remember.

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 experiment with balancing everyday objects and observing the the effects of gravity on materials.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

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

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

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.

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

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

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

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

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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Determine whether the application of Febreeze will lower the bacterial count.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."