Vocabulary
Pic questions
Interference
Frequency
Matter
100
Happens when a sound wave matches the natural frequency of an object and causes the object to vibrate
What is resonance
100
Hint: you use to do this in the parking structure as a kid
A _____ is a reflected sound wave
What is an echo
100
When waves overlap and combine to form a wave with a larger amplitude, or height
What is constructive interference
100
T/F all objects do not have a frequency
What is false
100
T/F the state of matter affects the speed of sound
What is true
200
Happens when two or more waves overlap and combine to form one wave.
What is interference
200
Objects moving faster than the speed of sound can produce a very loud sound called a what?
What is a sonic boom
200
When waves combine to form a wave with a smaller amplitude
What is destructive interference
200
T/F resonance will happen whenever an object vibrating at or near the natural frequency of a second object causes the second object to vibrate
What is true
200
T/F the speed of sound does not depend on temperature
What is false
300
A pattern of vibration that looks like a wave that is standing still
What is a standing wave
300
Bat's use this to find their way around objects and etc.
What is echolocation
300
T/F wave frequencies are not quite equal
What is true
300
A type of fork that can cause another object to start vibrating if the fork and the object share the same resonant frequency
What is a tuning fork
300
T/F it is impossible for matter to reflect sound waves
What is false
400
A natural frequency of vibration determined by the physical parameters of the vibrating object
What is a resonant frequency
400
A type of electronic echolocation that uses echoes to locate objects underwater
What is a sonar
400
T/F jet airplanes are not capable of creating a sonic boom
What is false
400
Resonance plays an important role in what thing that we listen to everyday
What is music
400
T/F matter can absorb sound waves
What is true
500
When two sound waves of nearby equal frequencies interfere
What is a beat
500
Speeds faster than the speed of sound
What is supersonic speed
500
T/F jets area or to reach supersonic speeds
What is true
500
T/F some bridges are built in sections with overlapping plates to ensure the safety of the bridge
What is true
500
What type of animals are known for using echoes to hunt food and to find objects in their path
What is Dolphins, bats, and beluga whales