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6th Grade Chapter 9 Review
Test Description: Earth's Atmosphere: Energy from the Sun, Energy Transfer in the Atmosphere, Air Currents
Instructions: Answer all questions to get your test result.
1) Which is the main source of energy for Earth?
A
the Moon
B
water
C
the Sun
D
wind
2) Ozone in the atmosphere absorbs which type of incoming solar radiation?
A
ultraviolet
B
visible
C
X-ray
D
infrared
3) Which best describes how air moves?
A
Warm air sinks and cool air sinks
B
It moves from an area of low pressure to an area of high pressure
C
Warm air sinks and cool air rises
D
It moves from an area of high pressure to an area of low pressure
4) Oxygen and nitrogen make up which percentage of the atmosphere?
A
78.9
B
21.0
C
99.0
D
50.0
5) Which layer of the atmosphere contains the ozone layer
A
Troposphere
B
Mesosphere
C
Stratosphere
D
Thermosphere
6) Which atmospheric layer contains weather?
A
Stratosphere
B
Troposphere
C
Mesosphere
D
Thermosphere
7) What causes winds to deflect to the right in the northern hemisphere?
A
Coriolis Effect
B
convection
C
eddy
D
jet stream
8) Which process transfers thermal energy by contact?
A
convection
B
radiation
C
conduction
D
inversion
9) Which is used by hang gliders to soar high above the ground?
A
updraft
B
Coriolis Effect
C
jet stream
D
downdraft
10) In which layer does earth's atmosphere absorb most of the sun's ultraviolet radiation?
A
Mesosphere
B
Thermosphere
C
Troposphere
D
Stratosphere
11) Which is the correct order of the layers of the atmosphere, beginning with the layer closest to the earth?
A
trosphere, thermosphere, stratosphere, mesosphere
B
stratosphere, troposphere, mesosphere, thermosphere
C
troposhere, mesophere, stratosphere, thermosphere
D
troposphere, stratosphere, mesosphere, thermosphere
12) Warm air rises because it is _______ than the cooler air around it
A
more dense
B
a poorer conductor
C
a better conductor
D
less dense
13) The transfer of thermal energy in the atmosphere is mainly by _______.
A
radiation
B
convection
C
conduction
D
inversion
14) Energy is transferred from the Sun to Earth by _______.
A
winds
B
a convection current
C
electromagnetic waves
D
greenhouse gases
15) Convection currents in the atmosphere and oceans are caused by _______
A
global warming
B
energy emitted by the earth
C
energy from the sun
D
the Coriolis effect
16) One reason Earth's surface is heated unevenly is that
A
oceans reflect far more sunlight than sand
B
convection currents only occur near the poles
C
convection currents only occur near the equator
D
different materials absorb different amounts of solar radiation
17) Winds are caused when air _______.
A
moves from low pressure to high pressure
B
moves from high pressure to low pressure
C
emits infrared radiation
D
is a good conductor of heat
18) An inversion occurs when _______.
A
warm air sinks
B
warm air is on top of cold air
C
cold air is on top of warm air
D
cold air rises
19) Why is it colder near the poles than near the equator?
A
At the poles, light hits Earth at a perpendicular angle
B
At the poles, sunlight is blocked by global warming
C
At the poles, the beam of sunlight is concentrated in a small area
D
At the poles, the beam of sunlight is spread out over a larger area
20) Which situation can result in an inversion?
A
Dense air sits on top of cold air
B
Warm air sits on top of cold air
C
Cold air sits on top of warm air
D
Dense air sits on top of warm air
*select an answer for all questions
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