This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science project teaches students to classify different shapes of leaves.

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.

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

Evaluate the efficacy of different pain management techniques.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

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

Science fair project that designs a video game that requires players to use relevant skills.

Test the placebo effect in different groups of people.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Discover whether cold or hot water from the faucet will boil faster on the stove.

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

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

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Uh-oh! Is that a pill sitting on the counter or a piece of candy?