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

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.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

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

Science fair project that compares tap water and bottled water for the presence of common impurities.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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

This science fair project idea produces varying pitches of sound.

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

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

Determine which metal has the highest rate of conductivity.

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

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.

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

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

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

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

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?

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.

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

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.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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

This science fair project idea produces consumable fresh water from salt water through desalination.

Science fair project that determines which foods and drinks contain the highest amount of glucose.

Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.