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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

This science fair project idea explores how length affects the weight a bridge can hold.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Discover flight initiation distance as you play around in the park with this fun bird watching project!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Learn all about balance and motion as your child designs a corn maze!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.