This science fair project explores whether musicians are better than non-musicians at distinguishing and understanding speech in noisy environments

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

This science fair project idea discovers the average time it takes for a person to remember something completely.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

Detail the chemical properties, nutritional value, medicinal effects of garlic, Write a detailed report, prepare recipes.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Test your friends to find out if you can replicate the placebo effect's incredible results.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair project idea produces varying pitches of sound.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

Science fair project that tests whether cats have a preference for organic food.

This science fair project idea raises awareness of a real ecological issue.

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

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Science fair project that determines which foods and drinks contain the highest amount of glucose.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.