Glencoe Science Level Blue

Chapter 24: Waves, Sound, and Light

Waves, Sound, and Light

1
The distance between one point on a wave and the nearest point moving with the same speed and direction is the _______.
A)frequency
B)wavelength
C)intensity
D)pitch
2
The _______ of a wave is the number of wavelengths that pass by a point each second.
A)pitch
B)wavelength
C)frequency
D)intensity
3
_______ is the bending of waves around an object.
A)Pitch
B)Frequency
C)Intensity
D)Diffraction
4
Which of the following are units for measuring frequency?
A)meters/second
B)decibels
C)meters
D)hertz
5
A _______ wave causes particles in matter to move back and forth along the same direction in which the wave travels.
A)transverse
B)compressional
C)seismic
D)radio
6
The _______ of a transverse wave depends on the height of the crests or the depth of the troughs.
A)pitch
B)frequency
C)amplitude
D)intensity
7
The speed of a wave equals its wavelength multiplied by its _______.
A)amplitude
B)frequency
C)intensity
D)crest
8
Which of the following best describes why refraction of a wave occurs when the wave travels from one material into another?
A)The frequency decreases.
B)The wavelength increases.
C)The amplitude increases.
D)The speed of the wave changes.
9
The amount of energy that a wave carries past a certain area each second is the ______.
A)amplitude
B)pitch
C)intensity
D)frequency
10
Which of the following are units for measuring intensity?
A)meters
B)hertz
C)meters/second
D)decibels
11
Through which of these materials does sound travel fastest?
A)empty space
B)air
C)steel
D)water
12
The speed of sound waves depends on the material in which the waves travel and its _______.
A)frequency
B)temperature
C)pitch
D)refraction
13
_______ is the repeated echoes of sound waves.
A)Frequency
B)Refraction
C)Reverberation
D)Reflection
14
How does temperature affect the speed of sound through a material?
A)The speed of sound increases as the temperature decreases.
B)The speed of sound decreases as the temperature increases.
C)The speed of sound is not influenced by the temperature.
D)The speed of sound increases as the temperature increases.
15
Which of the following has the shortest wavelength?
A)ultraviolet waves
B)X rays
C)infrared waves
D)radio waves
16
The shape of the _______ changes when you focus on nearby and distant objects.
A)optic nerve
B)cornea
C)retina
D)lens
17
Light waves are _______ waves.
A)compressional
B)sound
C)electromagnetic
D)energy
18
All warm bodies emit _______ waves.
A)ultraviolet
B)radio
C)light
D)infrared
19
What determines the intensity of light waves?
A)frequency
B)energy
C)direction
D)pitch
20
The electromagnetic spectrum is the complete range of electromagnetic wave frequencies and _______.
A)colors
B)directions
C)angles
D)wavelengths
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