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.

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 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 project teaches students to classify different shapes of leaves.

Evaluate the efficacy of different pain management techniques.

The Christmas Addition Tree is a great way to get kids actively involved in math practice through art projects over the holiday break.

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

Test the placebo effect in different groups of people.

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

Here's an innovative math puzzle that you can create with your fourth grade math student.

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.

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

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

Your first grader can create this cute heart puzzle with craft sticks and watercolor paints to challenge her friends!

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

Kids will love this more challenging version of tag where they'll have to run while "attached" to someone else.

Play tic-tac-toe and help your kid memorize multiplication facts!

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

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?

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

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