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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
Intensity
B
Crest
C
Loudness
D
Energy
2) What happens to the noise level of a sound wave as the amplitude increases?
A
Decreases
B
Remains the same
C
More complex pitches develop
D
Increases
3) What is the relationship between the speed of sound and the density of the substance it travels through?
A
Sound travels the fastest in gas mediums
B
The less dense the medium, the faster it travels
C
The density of the medium does not affect the speed of sound
D
The more dense the medium, the faster it travels
4) How are sound and light waves different?
A
Sound can be measured, light cannot
B
Sound has wavelengths, light does not
C
Light travels through space, sound cannot
D
Light travels more slowly than sound
5) Why does the spoon in the glass of water look like it is bent?
A
water is reflecting the image of the spoon in air
B
water cannot carry light waves, only reflect it
C
light creates shadows that confuse the eye
D
light travels at different speeds through water and air
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 travel slowly through the ear canal before they can be heard
B
sound waves spread out from a source in circles and light does not
C
sound waves travel more slowly through air than light waves
D
sound waves cannot travel through empty space, they need a medium
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
increase
B
decrease
C
stay the same
D
depend the size of the light
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
becomes lost forever as the waves disappear
C
travels until the waves are able to strike a surface
D
is narrowed to a focus point and becomes very intense
9) How are a raindrop and a glass prism alike?
A
they are shaped like a pyramid
B
they separate white light into colors
C
they fall from the sky
D
they are made of water and air
10) What type of wave travels the fastest?
A
Earthquake
B
Sound
C
Ocean
D
Light
11) Which of the following does NOT travel as a wave?
A
Wind energy
B
Light energy
C
Earthquake energy
D
Sound energy
*select an answer for all questions
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