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

This experiment investigates if small changes in your diet can alter your basal body temperature.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Construct and experiment with a periscope using reflected light rays to gather an image.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

Can cells be frozen? This science fair project provides information to answer this question.

This science fair project idea measures physical dexterity as a function of temperature.

In this project students experiment with making music using only glasses of water.

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

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

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

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This project examines whether humans can intuitively grasp numeric values greater than three.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.