How powerful is the reaction between baking soda and vinegar? Find out here!

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.

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

This science fair project teaches students about wilting and browning of salad greens.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

This project explores whether music affects the growth and health of plants.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This science fair project idea explores whether white light can be separated into different colors.

In this kindergarten activity your child will create a map of your house and use a magnet to move pictures of your family through the house!

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

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

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

Here's a simple science activity that will help your child better understand how wells bring us water.