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Sound
Test Description: Part 1 of Waves
Instructions: Answer all questions to get your test result.
1) Tis is caused by vibrations that carry energy through a medium?
A
frequency
B
sound
C
power
D
light
2) loudness is determined by:
A
pitch
B
resonance
C
intensity
D
frquency
3) Resonance is the effect that happens when:
A
an instrument is forced to vibrate at its natural frequency
B
Chuck Norris destroys the Earth with a sneeze
C
a vibration occurs
D
sound penetrates an object to view it
4) When you increase the frequency of a sound...
A
its wavelength increases
B
its pitch goes higher
C
it stops vibrating
D
its volume increases
5) Elephants hear in this range
A
sonic is a delicious place to eat
B
infrasonic
C
ultrasonic
D
panasonic
6) Standing waves are important in this instance
A
light waves traveling
B
sound waves traveling
C
humans only hear these
D
musical instruments rely on them
7) Sound waves are this type:
A
additive
B
longitudinal
C
transverse
D
distorted
8) When sound waves "appear" to change pitch as they approch and leave you:
A
inverse square law
B
hearing
C
resonance
D
doppler effect
9) vibrations pass through 3 regions of the ear - which senses vibrations
A
inner - cochlea
B
the whole ear does this
C
outer - pinna, canal
D
middle - drum, anvil, hammer
10) this is used to create images of the sea floor and the human interior
A
radar
B
sonar
C
balogna sandwiches
D
ultrasound
*select an answer for all questions
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