This science fair project idea produces varying pitches of sound.

This science fair project idea explores the different properties of matter.

This science fair project idea identifies trees using a dichotomous key.

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

This science fair project idea compares biodiversity between drops of water.

This science fair project will help students learn about non-vascular plants, such as mosses.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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

In this science fair project, students make their own rain gauge to measure rainfall.

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

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

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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

This science fair project idea produces sounds by creating vibrations using different objects.

This science fair project idea investigates how the shape of an object affects drag.

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

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

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

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.

Challenge your kindergartener to finding out if a coin toss is really fair by conducting this coin toss experiment.

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