Light and Sound Waves Review

Front

What is the speed of sound compared to the speed of light?

Back

Sound travels slower than light.

Tags

NGSS.HS-PS4-1

Front

How does the speed of sound in water compare to its speed in air?

Back

The speed of sound is faster in water than in air.

Tags

NGSS.HS-PS4-1

Front

Why do we not know if the sun has disappeared immediately?

Back

It takes 8 minutes for light to travel from the sun to Earth.

Front

In which medium can sound waves not travel?

Back

Sound waves cannot travel in a vacuum.

Front

How does temperature affect the speed of sound in air?

Back

Sound travels faster in warm air than in cold air.

Tags

NGSS.HS-PS4-1

Front

What is a wave?

Back

A wave is a disturbance that transfers energy through space or matter.

Tags

NGSS.MS-PS4-1

Front

What are the two main types of waves?

Back

The two main types of waves are mechanical waves and electromagnetic waves.

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Front

What is a mechanical wave?

Back

A mechanical wave requires a medium (solid, liquid, or gas) to travel through.

Front

What is an electromagnetic wave?

Back

An electromagnetic wave does not require a medium and can travel through a vacuum.

Tags

NGSS.HS-PS4-3

Front

What is frequency in relation to waves?

Back

Frequency is the number of waves that pass a point in one second, measured in Hertz (Hz).

Tags

NGSS.HS-PS4-1