Focus On Earth Science: California Grade 6

Chapter 9: Earth's Atmosphere

Standards Review

1.
Which one of the following is NOT a function of the atmosphere? 4.b
A)It protects living things from X-ray radiation.
B)It absorbs and distributes warmth.
C)It keeps us from floating into space.
D)It provides necessary gases to support life.
2.
Nitrogen and oxygen make up __________ percent of the atmosphere. 4.e
A)11
B)84
C)50
D)99
3.
Which layer of the atmosphere contains nearly all clouds and weather? 4.e
A)stratosphere
B)troposphere
C)ionosphere
D)thermosphere
4.
Ozone found in the stratosphere is important because it absorbs __________ from the Sun. 4.a
A)sunlight
B)X-ray radiation
C)ultraviolet radiation
D)ions
5.
__________ powers the water cycle. 4.a
A)Sunlight
B)Water vapor
C)Evaporation
D)Condensation
6.
Light waves are _______ waves. 4.b
A)energy
B)sound
C)compressional
D)electromagnetic
7.
All warm bodies emit _______ waves. 4.b
A)light
B)radio
C)infrared
D)ultraviolet
8.
Heat is transferred through the atmosphere by the process of __________. 4.d
A)reflection
B)convection
C)conduction
D)absorption
9.
Temperature measures the __________ of air molecules. 3.c
A)location
B)type
C)speed
D)size
10.
__________ occurs when one molecule comes in contact with another. 3.c
A)Conduction
B)Absorption
C)Condensation
D)Convection
11.
__________ is the transfer of energy by the motion of heated particles in a gas or liquid. 3.c
A)Convection
B)Conduction
C)Radiation
D)Collision
12.
The __________ of an electromagnetic light wave determines the color of the light. 3.d
A)pitch
B)frequency
C)amplitude
D)compression speed
13.
What determines the intensity of light waves? 3.d
A)direction
B)frequency
C)energy
D)pitch
14.
The entire range of electromagnetic wave frequencies is known as __________. 3.d
A)visible light
B)magnetism
C)ultraviolet radiation
D)the electromagnetic spectrum
15.
Earth would be too cold to support life as we know it without. 3.d
A)global warming
B)the greenhouse effect
C)the ozone layer
D)geothermal energy
16.
As altitude decreases, air pressure __________. 4.e
A)stays the same
B)decreases
C)increases
D)falls
17.
Rising air generally indicates __________ pressure. 4.e
A)equalized
B)higher
C)changing
D)lower
18.
Wind is created by changes in all of the following EXCEPT __________. 4.e
A)pressure
B)density
C)conduction
D)temperature
19.
Wind is impacted by all of the following EXCEPT ________. 4.e
A)the heating of Earth's surface
B)ultraviolet radiation
C)the Coriolis effect
D)jet streams
20.
What is created when colder air sinks below warmer air and pushes warmer air upward? 4.d
A)humus
B)air currents
C)omnivores
D)precipitation
Grade 6
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