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8th Grade Chapter 4
Test Description: Sound and Light
Instructions: Answer all questions to get your test result.
1) Sound waves can only travel through matter.
A
true
B
false
2) The area of a sound wave where the particles are close together is called
A
rarefaction
B
amplitude
C
frequency
D
compression
3) The distance betweeen one point on a wave and the nearest point just like it is called
A
frequency
B
amplitude
C
wavelength
D
pitch
4) The speed of sound waves is affected by
A
the object making the sound
B
the temperature of the air
C
both a and b
D
the type of material it's traveling through
5) Sound waves travel faster in cold air than in warm air.
A
true
B
false
6) The middle ear is made up of all of these except
A
cochlea
B
hammer
C
ear drum
D
stirrup
7) What part of the ear amplifies sound?
A
all of the above
B
outer ear
C
middle ear
D
inner ear
8) The outer ear
A
transmits nerve signals to the brain
B
is only useful for getting in the way of the curling iron
C
collects sound waves
D
amplifies sound
9) A sound wave with a higher frequency has a lower pitch.
A
false
B
true
10) When your vocal chords vibrate, it produces sound that makes up your voice.
A
true
B
false
11) Loudness is measured by the
A
decibel scale
B
frequency scale
C
amplitude scale
D
Richter scale
12) The more energy a sound wave has, the higher the
A
pitch
B
wavelength
C
frequency
D
amplitude
13) A way that we can use sound waves is
A
all of the above
B
echolocation
C
ultrasounds
D
sonar
14) Light is a type of wave called ___ waves.
A
radiation
B
electromagnetic
C
electric
D
longitudinal
15) Light can travel through a vacuum.
A
false
B
true
16) Light waves travel through matter slower than in a vacuum.
A
true
B
false
17) The entire range of electromagnetic wave is called the
A
rainbow
B
electromagnetic spectrum
C
visible light spectrum
D
radioactive spectrum
18) Light travels only to either side of a source.
A
false
B
true
19) If something doesn't emit light, how do we see it?
A
light waves reflect off of it
B
all things emit light
C
we can't see it
D
our eyes have permanent night vision
20) When interactions with a material convert light energy into other forms, we say it's been
A
reflected
B
absorbed
C
transmitted
D
refracted
*select an answer for all questions
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