Tennessee Science Grade 7

Section 1: What are waves?

Self-Check Quiz - English

1
A __________ is a repeating disturbance that transfers energy through matter or open space.
A)wave
B)medium
C)frequency
D)conductor
2
Waves that use matter to transfer energy are called __________ waves.
A)electromagnetic
B)mass
C)medium
D)mechanical
3
The matter through which a mechanical wave travels is called a __________.
A)medium
B)substrate
C)conductor
D)wave relay
4
In __________ waves, matter in the medium moves back and forth at right angles to the direction the wave travels.
A)compressional
B)sound
C)transverse
D)light
5
In __________ waves, matter in the medium moves forward and backward in the same direction the wave travels.
A)transverse
B)ocean
C)radio
D)compressional
6
Sound waves are __________ waves.
A)compressional
B)transverse
C)radio
D)molecular
7
Sound waves cannot travel in outer space because __________.
A)they are electromagnetic waves
B)the gas molecules in outer space air are too far apart
C)they are mechanical waves
D)they cannot travel through a medium
8
What is the region of a compressional wave where particles are far apart called?
A)trough
B)rarefaction
C)crest
D)rest position
9
What type of waves do not require matter to carry energy?
A)mechanical
B)compressional
C)transverse
D)electromagnetic
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