Codes/Transmitting Sound

Front

What is a code?

Back

A system of words, letters, or symbols used to represent others, often for secrecy.

Front

What does it mean to transmit sound?

Back

To send sound waves from one place to another.

Front

How does a telephone work?

Back

It converts vibrations from sound into electrical signals to transmit them.

Front

What are sound waves?

Back

Vibrations that travel through air or other materials, allowing us to hear.

Front

What is the role of air in sound transmission?

Back

Air carries sound vibrations, allowing us to hear sounds from a distance.

Front

What is an example of a code used in communication?

Back

Replacing letters with the next letter in the alphabet, like A becomes B.

Front

What is the difference between sound and light?

Back

Sound travels as waves through matter, while light travels as waves through space.

Front

What is an example of a device that transmits sound?

Back

A telephone.

Front

What do we call the vibrations that allow us to hear each other talk?

Back

Air vibrations.

Front

What is the purpose of a radio?

Back

To receive and transmit sound waves, allowing us to listen to music or talk shows.