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Earth's Energy
Test Description: Energy in the earth's system
Instructions: Answer all questions to get your test result.
1) The tremendous amount of heat within Earth's powers
A
plate tectonics
B
ocean currents
C
weather patterns
D
all of the above
2) The energy stored in fossils fuels originally came from
A
gravity
B
fusion reaction in the Sun
C
Earth's core
D
fission reaction in the Sun
3) What are the main greenhouse gases?
A
water vapor, nitrogen and methane
B
carbon dioxide, oxygen and nitrogen
C
carbon dioxide, oxygen and water vapor
D
carbon dioxide, water and methane
4) Which gas in the atmosphere has been increasing significantly because of human burning fossil fuels?
A
nitrogen
B
oxygen
C
methane
D
carbon dioxide
5) Light that reaches the Earth's surface is either
A
absorbed or converted into shorter wavelengths.
B
absorbed or refracted back to space
C
absorbed or reflected back into space
D
reflected and coverted into shorter wavelengths.
6) Why is Earth's surface warmer at the equator than at the poles?
A
ice at the poles keep the surface colder
B
the Sun is closer to the equator than the poles
C
there is more water vapor at the equator
D
the equator receives more direct sunlight that the poles
7) In what are ocean currents and air currents the same?
A
warm air flows more swiftly than cool water, just as warm winds are stronger than cool winds
B
cool water evaproates and rises into atmopshere
C
cool air sinks, just as coolr or more saline water sinks, and warm air, like water rises.
D
both form currents that flow mostly from cool areas to warm areas
8) Which occurs during a temperature inversion?
A
a layer of cooler air lies over a relatively cool layer of air
B
cold air rises and warm air sinks
C
warm air rises and cold air sinks
D
a layer of warmer air lies over a cool layer of air.
9) What is the driving force for surcace ocean currents?
A
the Coriolis effect
B
global winds
C
density layering
D
salinity
10) What causes the wind deflection from the north and south poles?
A
tilt of Earth's axis
B
shape of earth
C
rotation of Earth on its axis
D
the difference of total land mass of the north and south hemisphere
*select an answer for all questions
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