Tennessee Science Grade 7

Chapter 15: Waves

TCAP Preparation

1
Pitch is determined by what property of a sound wave?
A)amplitude
B)refraction
C)wavelength
D)frequency
2
What property of the wave is labeled G?

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A)amplitude
B)crest
C)trough
D)wavelength
3
What property of the wave is labeled H?

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A)amplitude
B)crest
C)wavelength
D)trough
4
What kind of wave is able to travel through both matter and empty space?
A)compressional
B)mechanical
C)sound
D)light
5
What property of a wave increases as the wave's energy increases?
A)frequency
B)pitch
C)wavelength
D)amplitude
6
If two waves interfere destructively, what does the resulting wave have?
A)higher amplitude
B)lower energy
C)higher frequency
D)shorter wavelength
7
Which does not happen when light travels from water into air?
A)changes direction
B)refracts
C)speeds up
D)diffracts
8
Units of hertz are used to measure which property of a wave?
A)amplitude
B)pitch
C)wavelength
D)frequency
9
Which type of waves are represented above the drum in the illustration?

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A)electromagnetic
B)refracted
C)transverse
D)compressional
10
What is the frequency of a wave that has a speed of 365 m/s and a wavelength of 1.70 m?
A)310 Hz
B)215 Hz
C)429 Hz
D)621 Hz
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