This science fair project idea explores which kinds of earplugs are the most effective.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

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

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

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!

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Got a young scientist at home? Try this project with him!Create your own molecule design with this home-made clay recipe and some toothpicks!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Explore the electrical energy present in energy drinks.

Cleaning can be a chore, but not with this sudsy experiment!

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Make sourdough bread...and learn some colonial history and modern science in the process!

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

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

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.