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

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.

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

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

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Discover how and which salt melts ice the quickest.

The project investigates how water and movement affects erosion.

This science fair project idea explores whether white light can be separated into different colors.

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.