Sound Flashcard

Front

Sound travels through the air by ____________.

Back

vibrations

Front

A loud alarm sound may be used to tell people there is an emergency. True or False?

Back

True

Front

Sound is an energy we can ____________.

Back

hear

Front

The __________ Code uses a series of short and long sounds to communicate.

Back

Morse

Front

We can use sound to ____________.

Back

communicate

Front

What is the term for the highness or lowness of a sound?

Back

pitch

Front

What do we call the strength of a sound?

Back

volume

Front

What is it called when sound bounces off a surface?

Back

echo

Front

What is the name of the device that converts sound waves into electrical signals?

Back

microphone

Front

What is the term for a sound that is very loud?

Back

deafening