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Determine the relationship between the speed of a sound and the temperature of the air it passes through.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea explores whether dogs do look like their owners.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea examines whether boys and girls differ in reflexes.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Think about the adaptive utility of an important aspect of our physiology.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

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

Construct batteries that make electricity from fruits with this fun science fair project.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

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.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!