Waves, light and sound

Waves transfer

• water. 
• wind. 
• energy. 
• particles. 

Sound travels as a ___________ wave. 

• longitudinal
• transverse
• water
• slinky

Sound reflecting off a surface produces a(n) 

• wave. 
• echo. 
• transverse. 
• reflection. 

How high or low a sound is, is that sound's

• wave. 
• pitch. 
• longitude. 
• amplitude. 

Sound waves are ___________ waves that can only travel through ______.

• transverse,   air
• transverse, matter
• longitudinal, liquids
• longitudinal, matter

A sound wave can travel through a vacuum or empty space.

• True
• False

Sound intensity is measured in units called ________ named after Alexander Graham Bell.

• tones
• hertz
• amplitudes
• decibels

How loud or soft people hear a sound is related to the _________ of the sound wave.

• amplitude
• longitude
• echo
• lens

A sound wave requires a medium, or material to travel through.

• True
• False

The distance from one point on a wave to that same point on the next wave is known as

• amplitude.
• frequency.
• wavelength.
• reflection.