Unit 3 (Lessons 4 - 6) Question Preview (ID: 8527)
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Waves that require a medium are called
a) mechanical waves.
b) transverse
c) longitudinal
d) electromagnetic
The formula for wave speed is
a) wave speed = frequency x wavelength.
b) wave speed = frequency/wavelength
c) wave speed = frequency x amplitude
d) wave speed = amplitude x wavelength
Materials that do not let any light pass through them are called
a) opaque.
b) transparent
c) translucent
d) scattered
The bending of a wave as it passes from one medium to another is called what?
a) refraction
b) reflection
c) scattering
d) translucent
The bouncing of light or sound off a surface is called
a) reflection.
b) refraction
c) transparent
d) translucent
Matter that transmits all light is
a) transparent.
b) translucent
c) opaque
d) scattered
What energy resources are easily replaced by nature?
a) renewable
b) nonrenewable
c) fossil fuels
d) none
What is an energy source that cannot be produced, grown, restored or reused as fast as it is used?
a) nonrenewable
b) renewable
c) trees
d) wind
Energy resources that are made from fossilized, carbon-rich plant and animal remains are called what?
a) Fossil fuels
b) renewable
c) solar
d) lunar
On a wave, the distance from one crest to the next is called
a) the wavelength.
b) amplitude
c) frequency
d) wave speed
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