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Wave Review
Test Description: Waves Review Quiz 8th grade
Instructions: Answer all questions to get your test result.
1) What does the wavelength of a wave indicate?
A
Energy
B
Loudness
C
Crest
D
Intensity
2) What happens to the noise level of a sound wave as the amplitude increases?
A
Decreases
B
More complex pitches develop
C
Remains the same
D
Increases
3) What is the relationship between the speed of sound and the density of the substance it travels through?
A
The density of the medium does not affect the speed of sound
B
Sound travels the fastest in gas mediums
C
The more dense the medium, the faster it travels
D
The less dense the medium, the faster it travels
4) How are sound and light waves different?
A
Sound has wavelengths, light does not
B
Light travels more slowly than sound
C
Light travels through space, sound cannot
D
Sound can be measured, light cannot
5) Why does the spoon in the glass of water look like it is bent?
A
water cannot carry light waves, only reflect it
B
light travels at different speeds through water and air
C
water is reflecting the image of the spoon in air
D
light creates shadows that confuse the eye
6) You can estimate how far away a lightning bolt strikes by counting the seconds between seeing the lightning and hearing the thunder. Why does this work?
A
sound waves cannot travel through empty space, they need a medium
B
sound waves travel slowly through the ear canal before they can be heard
C
sound waves travel more slowly through air than light waves
D
sound waves spread out from a source in circles and light does not
7) What would you expect to happen to the amount of light the meter senses as you move away from the light? The amount of light will
A
stay the same
B
depend the size of the light
C
increase
D
decrease
8) What happens to the amount of energy in waves as they travel away from their source? The energy
A
becomes less and less as it is spread out
B
travels until the waves are able to strike a surface
C
becomes lost forever as the waves disappear
D
is narrowed to a focus point and becomes very intense
9) How are a raindrop and a glass prism alike?
A
they are made of water and air
B
they separate white light into colors
C
they are shaped like a pyramid
D
they fall from the sky
10) What type of wave travels the fastest?
A
Sound
B
Ocean
C
Light
D
Earthquake
11) Which of the following does NOT travel as a wave?
A
Sound energy
B
Earthquake energy
C
Light energy
D
Wind energy
*select an answer for all questions
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