Construct batteries that make electricity from fruits with this fun science fair project.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Science fair project that determines whether mass and weight are the same or different.

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

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

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

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

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 the most effective method of preserving food.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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 project uses science and art to help students learn and teach others about Earth's endangered and extinct species.