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

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Find out which type of sponge holds the most water.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Find out whether packaged seeds actually do expire in this new science fair project idea.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

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

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

In this fun experiment, we'll find out how color affects heat absorption!

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

This project investigates the affect of storage temperature on microwave popcorn.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.