This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea examines whether boys and girls differ in reflexes.

Check out this cool science fair project on identifying rocks and minerals for kids.

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

In this science fair project, students create their own miniature salt flats at home.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project teaches students about wilting and browning of salad greens.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science fair project idea investigates whether plants can survive being frozen.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

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

This science fair project idea explores substances that cause a bubble to last longer.

Do different types of oil mix or stack? Find out in this science fair project idea!

This science fair project idea explores whether color affects a person's emotional state.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

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

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

This science experiment tests if dog saliva can really help heal wounds.

This science fair project idea determines what household items are good conductors of electricity.

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

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

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

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.