How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

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

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

The project determines which laundry detergent is best for cleaning clothes.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

This science fair project idea researches the effects of acid rain on plant growth.

This science fair project idea explores the egg's thin membrane.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

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

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

This science fair project idea investigates how magnetism can defy the force of gravity.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.