This science fair project idea explores which fruit molds the fastest.

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

Discover which fabrics shrink the most in the wash and why.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Did you know magnifying glasses are magic? This hands-on activity has kids using magnifying glasses to engage with the world around them and look close to examine what they find.

This experiment will explore the best way to create a perfect soft-boiled egg.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

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

This project determines how much the rebound rates of tennis balls change after ten games.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

This science fair project idea determines if a particular chemical has an effect (increase or decrease) on the heart rate of Daphnia.

The project researches how lubricants affect the mechanical advantage of a pulley.

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!

Examine the effect of pressure on carbonation in soda.

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

Test the placebo effect in different groups of people.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

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 determines if pancreatic lipase can break down lipids on its own or does it require the assistance of digestive bile salt.

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

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

Set your teen on the beat in a real world "crime scene" investigation. Can he tell whose fingerprints are on a drinking glass?

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.