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This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

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

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

The aim of this science fair project is to study the mathematical construct called magic squares and create a unique magic square puzzle.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

This science fair project determines the quality of a given product.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

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

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.