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 does it mean to move from one place to another?

Back

To transfer means to move from one place to another.

Front

What is 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 does it mean to exchange 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 the definition of sound?

Back

Sound is a type of energy that travels in waves and can be heard when it reaches a person's or animal's ear.

Front

What is vibration?

Back

Vibration is a rapid back-and-forth movement that creates sound.

Front

What is the term for the distance between two waves?

Back

Wavelength is the distance between two consecutive waves.

Front

What is the speed of sound?

Back

The speed of sound is how fast sound waves travel through a medium, like air or water.

Front

What is an example of a medium through which sound can travel?

Back

Air, water, and solids like wood or metal are examples of mediums through which sound can travel.