Mystery Science Waves of Sound Unit Review

A low sound has a _________ wavelength.

• long or spread out

• short or squished together

A high sound has a ______ wave length.

• long or spread out

• short or squished together

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

___________ is a device that shows sound waves like a graph, in a sideways view.

• oscilloscope
• thermometer
• barometer

What is wavelength?

• How high or low a pitch is.
• How loud a sound is.
• The length of a wave.

What is something natural that sound cannot travel through?

• Water

• Air

• Liquids

• outer Space

Sound is a form of:

• energy

• pitch

• volume

_______is back-and-forth movement of something. 

• Vibration
• Sound
• Pitch

__________ is a device that can remove the air from a container, allowing scientists to study what it’s like in outer space.

• Vacuum pump
• Stethoscope
• Thermometer

Low frequency = _______ Pitch

• Low
• High