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