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How Different are Sounds from a Phone, a Computer, and a Mouth?

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voicebox of a human.It is an educational content by education.com. ...

Which Kind of Earplug is Most Effective?

We are going to find out which kinds of earplugs are the most effective.It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the content. ...

Echolocation Demonstration

Demonstrate how we are able to locate sounds, a process called echolocation.It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the conte ...

What is the Highest and Lowest Pitches that Most People Can Sing?

Discover the highest and lowest pitches most people can sing.It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the content. If you want ...

Sound Resonance: How to Calculate Speed of Sound

Sounds, whether from talking, music, an earthquake, a fire or a sonic boom, travel in waves. Wave travel, called propagation, has a different velocity through each material, like water or air.Frequenc ...

Changing the Pitch of Sound

Produce varying pitches of sound. How can the pitch of a sound be modified? How does the rate of vibrations affect the pitch of sound?It is an educational content by education.com.By clicking on the t ...

Radio Waves, It's In The Air: Build A Basic Radio

Demonstrate basic radio communications.It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the content. If you want to download the proje ...

High Frequency Hearing Test

There’s a sound that is supposed to annoy teenagers and keep them from loitering in front of shops and stores. It’s called the Mosquito, and it’s supposed to be undetectable by adults. Take some volun ...

One-Man Drinking Glass Band

Sound is waves of vibrations. Sound vibrations travel at different speeds. The number of times something vibrates in a second is called its frequency. Fast vibrations create high notes. Slow vibration ...

Can You Hear Me Now?

This project is to determine if heat affects the frequency of sound waves.It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the content ...

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