Waves of Sound Lessons 1 & 2

Front

What type of energy usually powers light bulbs?

Back

Electrical energy is the type of energy that usually powers light bulbs.

Front

What do we call a sound that bounces off a surface and travels back to someone's ears?

Back

An echo is a sound that bounces off a surface and travels back to someone's ears.

Front

What is the term for exchanging information?

Back

To communicate means to exchange information.

Front

What is a test used to discover new information about a question?

Back

An experiment is a test used to discover new information about a question.

Front

What is a system of words, letters, or symbols that stand for other words, letters, or symbols?

Back

A code is a system of words, letters, or symbols that stand for other words, letters, or symbols.

Front

What is the term for the movement of sound through a medium?

Back

Sound waves are the movement of sound through a medium.

Front

What do we call the vibrations that create sound?

Back

Sound is created by vibrations.

Front

What is the name of the distance between two consecutive peaks of a wave?

Back

Wavelength is the distance between two consecutive peaks of a wave.

Front

What is the term for how high or low a sound is?

Back

Pitch is the term for how high or low a sound is.

Front

What do we call the loudness or softness of a sound?

Back

Volume is the loudness or softness of a sound.