This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

This science fair project idea explores which fruit molds the fastest.

Determine if gender affects the ability to identify different smells.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

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 examines whether ocean water can be made safe to drink.

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This science fair project idea explores the different properties of matter.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

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