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Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

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.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea produces varying pitches of sound.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

This science fair project idea investigates if fats add to the flavor of food.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

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

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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 whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Science fair project that uses distillation to convert salt water into fresh water.

Find out whether a longer airplane will fly farther or a wider paper airplane.