Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Slip some science into storm watching with a homemade rain gauge!

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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?

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This science fair project idea explores whether white light can be separated into different colors.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

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

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.