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 produces varying pitches of sound.

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

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

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.

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

Can cells be frozen? This science fair project provides information to answer this question.

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

Get a better understanding of water content by dehydrating carrots.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

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.

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

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?

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.

This science fair project idea measures physical dexterity as a function of temperature.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

In this design challenge, your child will create a parachute for a small toy using typical household items.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Try this chemistry experiment with your curious kid and get some "shocking" results!

This experiment will explore the best way to create a perfect soft-boiled egg.

This science fair project idea discovers the mechanism of laminar flow and encourages technological progress based on this concept.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.