Section #: 15.1
The Oceans
Practice Test
1.
During relatively warm times of Earth's geologic history, the volume of glacial ice was __________ and sea level was __________.
a.
low, high
b.
low, low
c.
high, high
d.
high, low
Hint
2.
What geologic process released large amounts of water vapor into Earth's early atmosphere?
a.
melting of glacial ice
b.
movement of ocean currents
c.
volcanic eruptions
d.
precipitation as ice, water, or snow
Hint
3.
When did the first modern oceanographic expedition occur?
a.
early 1950s
b.
early 1800s
c.
late 1800s
d.
1500s
Hint
4.
How are seas different from oceans?
a.
Seas are smaller and mostly landlocked.
b.
Seas support a wider variety of marine life.
c.
seas are larger.
d.
Seas are deeper and in lower latitudes.
Hint
5.
What type of technology is used to map the ocean floor?
a.
UV radiation
b.
submarines
c.
GPS
d.
sonar
Hint
6.
The velocity of sound in water is __________.
a.
1,000,000 m/s
b.
4500 m/s
c.
140 m/s
d.
1454 m/s
Hint
7.
Today, water vapor that is added to Earth's atmosphere is destroyed by __________.
a.
X rays
b.
ultraviolet radiation
c.
the greenhouse effect
d.
the ozone hole
Hint
