Interaction of Sound Waves Notes

Multiple Choice

How is sound produced?

• vibrations up and down

• vibrations back and forth

• bouncing waves off the walls

• waves being bend around a barrier

Multiple Choice

What type of waves are sound waves?

• transverse

• light

• longitudinal

• medium

Multiple Choice

Can you hear sound in space?

• Yes, because sound travels

• no, sound doesn't travel that far

• yes they do not need a medium

• No, sound needs a medium.

Multiple Choice

What is the bouncing of waves after striking a barrier?

• reflection

• refraction

• rarefaction

• compression

Multiple Choice

What is an echo?

• Refracted sound wave

• echolocation

• reflected sound wave

• waves bent around a building.

Multiple Choice

What object uses reflected sound waves to see things underwater?

• SONAR

• echolocation

• ocean floor

• concert halls

Multiple Choice

What object uses sound waves to see things inside the human body?

• echolocation

• SONAR

• ultrasound

• infrasound

Multiple Choice

What is the process that animals use by using sound waves to find objects?

• ultrasound

• SONAR

• echolocation

• interference

Multiple Choice

What is the bending of sound waves around barrier or through openings?

• reflection

• refraction

• diffraction

• interference

Multiple Choice

Do higher or lower frequency waves diffract better?

• higher

• lower

Multiple Choice

Interference occurs when two or more sound waves _______.

• spread apart

• overlap

• move away

• stand still

Multiple Choice

When two compressions overlap making the amplitude higher and sound louder this is called...

• interference

• destructive interference

• constructive interference

• time interference

Multiple Choice

When a compression overlaps a rarefaction making the amplitude smaller and sound softer this is called...

• interference

• destructive interference

• constructive interference

• time interference