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The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Acoustics: The Study of Sound

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Skin Science!

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Too Cold to Chirp?

Air invisible; it doesn't make sounds; you can't pick it up and throw it.  So how do we know it exists?  Help your second grade scientist figure it out.

Blow It Out!

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Dancing Raisins

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Design a Great Glass Xylophone!

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

Who Hates Fingernails on a Chalkboard?

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Can You Hear Me Now?

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

SPEAK LOUDER! How Does a Microphone Work?

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Compare Cotton and Nylon Absorbency

Mad scientists! In this lesson, your students will explore electrical circuits and engage in a hands-on activity to create them. They will identify the differences between parallel and series circuits.

Mad Scientist: Electric Circuits

Using an empty tennis ball can and a swimming pool, you will determine if it&#39;s possible to have a conversation under water.

Speaking Under Water

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Have Fun With "Weird" Water

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

WiFi Signal Strength

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Mirrors and Reflection of Light

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

What Materials Affect the Length of Sound?

Help your class gain a foundational understanding of matter by learning how to conduct inquiry and gain an understanding about the characteristics of gases. This lab will have your students amazed at what is really in the air. 


You Can't See Me!

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Measuring Heart Rate with Doppler Ultrasound

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

What Instruments are Used to Create Bird Sounds in Classical Music?

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Testing the Solubility of Common Liquid Solvents

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Soda Explosion

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

How Does Sound Travel?

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Series and Parallel Circuits

Walk, sleep, run, eat! We're constantly using energy, whether we're moving or not. In this lesson, students learn how their bodies are constantly converting potential energy into kinetic energy and kinetic energy back to potential energy.

Potential And Kinetic Energy

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

How Windy Is It? A Weather Science Experiment

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

How Fast Does Light Travel in Water vs. Air? Refraction Experiment

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