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