KS3 Waves 11: Introduction to Sound Waves Quiz

What is a sound wave?

• A magnetic field that moves through a conductor

• A light wave that travels through space

• A vibration that travels through a solid, liquid, or gas

• A static charge that moves through the air

What does a loud sound have?

• A high frequency

• A small amplitude

• A large amplitude

• A low frequency

What is the term for something that shakes to create sound?

• Oscillation

• Vibration

• Translation

• Rotation

How do musicians and scientists record and analyze sounds?

• Using a telescope

• Using a microphone and wave traces

• Using a barometer

• Using a thermometer

What happens to air particles when there is no sound?

• They move rapidly

• They are still

• They disappear

• They change color

What type of wave is a sound wave?

• Electromagnetic wave

• Surface wave

• Longitudinal wave

• Transverse wave

What does the loudness of a sound depend on?

• The color of the object making the sound

• The size of the object making the sound

• How big the vibration of the air is

• The temperature of the air

What is the unit of frequency?

• Newtons (N)

• Hertz (Hz)

• Seconds (s)

• Meters (m)

What is the lowest pitch sound that most humans can hear?

• 10 Hz

• 20 Hz

• 100 Hz

• 50 Hz

What device is used to display a sound wave as a graph?

• Telescope

• Thermometer

• Oscilloscope

• Barometer