There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

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

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

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

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

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.

In this science fair project you will make a model of a cell membrane using very simple material.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

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

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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

This project examines which type of dance burns the most calories.

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.