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NATURAL SCIENCE FINAL EXAM REVIEW
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NATURAL SCIENCE FINAL EXAM REVIEW
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NATURAL SCIENCE FINAL EXAM REVIEWWhich of the following is totally a longitudinal wave?
a) Water
b) Sound
c) Light
d) Electromagnetic
e) Laser - Answers -B) Sound
Which part of a sound wave is related to its loudness?
a) amplitude
b) frequency
c) wavelength
d) speed
e) velocity - Answers -A) Amplitude
Bats navigate by emitting high pitched sound waves and
a) killing all the moths within 10 meters.
b) attracting various insects toward the sound.
c) listening for an echo.
d) calculating wave crests per second.
e) hoping humans do not hear them. - Answers -C) Listening for an echo
Which wave does not require matter to be transmitted?
, a) ocean wave
b) sound wave
c) X-ray
d) seismic wave
e) subsonic wave - Answers -C) X-ray
Which property of electromagnetic waves is measured in Hertz?
a) amplitude
b) speed
c) frequency
d) length
e) energy - Answers -C) Frequency
The Doppler effect describes:
The ability of microwave ovens to cook food depends partly upon the fact that
microwaves:
a) are absorbed quickly by water molecules, which does nothing to heat food.
b) are absorbed quickly by water molecules, which generates heat.
c) are reflected by the interior of an oven, which causes heat to be generated in the
oven wall.
d) tend to be absorbed in dry air and thus heat the whole oven and its contents.
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