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Chapter 7 Currents And Climate
Test Description: Chapter 7 comprehensive test covers energy, heat, currents and climate
Instructions: Answer all questions to get your test result.
1) When the air above water gets cold, what happens to water molecules?
A
The water molecules evaporate, decreasing the water’s density.
B
The denser water floats on top of the chilled water.
C
The water’s volume increases as molecules move closer together.
D
The molecules slow down and move closer together, increasing the water’s density.
2) Compared with surface currents, deep currents are
A
warmer and denser
B
warmer and less dense
C
colder and less dense
D
colder and denser
3) Surface currents are caused by
A
floods
B
the wind
C
warm water
D
the equator
4) As water gets denser, how does it move?
A
gets pulled up by evaporation
B
expands toward warmer water
C
gets pushed toward the poles
D
sinks toward the ocean floor
5) How do warm-water currents affect the coastal areas along which they flow?
A
They create unusually warm climates for the latitude.
B
They create unusually cool climates for the latitude.
C
They make the coastal climate cooler than the inland climate.
D
They create greater rainfall along the coast.
6) Which currents carry warm water away from the equator?
A
freezing
B
surface currents
C
deep currents
D
evaporation
7) The density of ocean water increases when it
A
joins the Gulf Stream
B
gets warmer
C
gets colder
D
turns to ice
8) Why are surface currents warmer than deep currents?
A
Underwater volcanoes heat the surface of the water
B
The sun warms the water during the day, which causes the surface to get warmer.
C
The boats in the ocean heat up the surface
D
The water is absorbing the lands heat all the time making it warmer
9) Water that falls to Earth as rain, sleet, snow, or hail is called what?
A
transpiration
B
precipitation
C
evaporation
D
condensation
10) Water vapor enters the atmosphere by what process?
A
transpiration
B
precipitation
C
condensation
D
evaporation
11) The apparent curving of the path of a moving object from an otherwise straight path due to the Earth’s rotation.
A
Coriolis effect
B
salinity
C
surface current
D
current
12) A horizontal movement of ocean water that is caused by wind and that occurs at or near the ocean’s surface
A
current
B
surface current
C
Coriolis effect
D
salinity
13) A measure of the amount of dissolved salts or solids in a liquid
A
surface current
B
salinity
C
Coriolis effect
D
current
14) A large stream of moving water that flows through the oceans.
A
Coriolis effect
B
salinity
C
surface current
D
current
15) A change in the surface water temperature in the Pacific Ocean that produces a warm current.
A
El Nino
B
La Nina
16) A climate event in the eastern Pacific Ocean in which the surface waters are colder than normal.
A
La Nina
B
El Nino
17) Where do warm water currents generally begin?
A
near Antartica
B
near Alaska
C
near the poles
D
near the equator
18) Where do cold water currents generally begin?
A
near the poles
B
near the East Coast of North America
C
near the Equator
D
near Asia
19) In the Northern Hemisphere, currents spin in what direction
A
counter clockwise
B
clockwise
20) In the Southern Hemisphere, currents spin in what direction
A
clockwise
B
counter clockwise
*select an answer for all questions
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