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

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

Test your friends to find out if you can replicate the placebo effect's incredible results.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project investigates why the number of visible stars changes from place to place.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

Examine the effect of pressure on carbonation in soda.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

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 determines if the temperature of rubber effects how high it bounces.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project idea investigates the hardness property of minerals.

In this project children practice the scientific method while playing with puffy paint.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Using a toy race car kids create a visual model of the Doppler Effect.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.