Sound Waves

Front

What type of energy does a sound wave have?

Back

Mechanical

Tags

NGSS.MS-PS4-1

Front

What are sound waves that are beyond the range of human hearing called?

Back

Ultrasonic waves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What is the term for areas of decreased pressure in a sound wave?

Back

Rarefaction

Front

What measures the amount of energy in a wave?

Back

Amplitude

Tags

NGSS.MS-PS4-1

Front

What is the term for the number of wavelengths that pass a fixed point each second?

Back

Frequency

Tags

NGSS.HS-PS4-1

Front

What is the speed of sound in air at room temperature?

Back

Approximately 343 meters per second (m/s).

Tags

NGSS.MS-PS4-1

Front

What is the relationship between frequency and wavelength in sound waves?

Back

They are inversely related; as frequency increases, wavelength decreases.

Tags

NGSS.HS-PS4-1

Front

What is the phenomenon called when sound waves bounce off a surface?

Back

Reflection

Tags

NGSS.MS-PS4-2

Front

What is the term for the bending of sound waves as they pass from one medium to another?

Back

Refraction

Tags

NGSS.MS-PS4-2

Front

What is the range of human hearing in terms of frequency?

Back

Typically from 20 Hz to 20,000 Hz (20 kHz).

Tags

NGSS.HS-PS4-1