This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

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

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

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

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

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

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

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

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

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

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!