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

This science fair project idea investigates if fats add to the flavor of food.

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

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

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

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea explores whether white light can be separated into different colors.

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

This science fair project idea determines which method of hand cleansing is the most effective.

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

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

In this science fair project, young children notice and track changes in trees throughout the year.

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

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

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

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science fair project idea explores how length affects the weight a bridge can hold.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.