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