Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This science fair project idea examines the reason boats are shaped and engineered.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Determine if gender affects the ability to identify different smells.

Start your toy engines -- this is going to be a fast and friction-filled race!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This classic children's game demonstrates how sound travels through air vs. through a solid.

This project determines what category of person is most likely to be ticklish.

Have your child kick off their summer vacation by making a miniature water slide!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science fair project idea explores whether talking to a plant will help it grow.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

This project examines whether people's taste perception is influenced by what they see.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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

This science fair project idea determines what household items are good conductors of electricity.

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

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!