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