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In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This project compares the strength of one, two, and three-ply toilet paper.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

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.

Discover whether a metal will expand under hot water.

How powerful is the reaction between baking soda and vinegar? Find out here!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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

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

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

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

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.

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!