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6th Grade Science Standards 6-4
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1
The picture labeled "Cloud A" shows cirrus clouds. These are often
seen in the sky as white, feather-like bands. How are cirrus clouds
different than the ones seen in "Cloud B" and "Cloud C" pictures?
a.
b.
c.
d.
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2
3
Cirrus clouds float very low in the sky.
Cirrus clouds do not make rain.
Cirrus clouds are darker than other clouds.
Cirrus clouds are thicker than other clouds.
Cloud C in the pictures above is a stratus cloud. The term "Stratus" is
a Latin word that describes the cloud. What is the most likely
meaning of this word?
a.
b.
c.
d.
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(Version 4)
a sunny day
a blanket or cover
a curl of hair
light as a feather
If the same clouds in Picture B suddenly grew thick and started to
pour down rain, they would be referred to as:
a.
b.
c.
d.
nimbostratus clouds
stratus clouds.
cumulonimbus clouds
cirrus clouds.
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4
A large portion of the sun's harmful radiation never reaches the earth
because it is absorbed by the ozone layer. These ultraviolet rays are
unable to pass through which atmospheric layer?
a.
b.
c.
d.
_______
5
The term thermosphere has the root word "therm". Why is this
appropriate?
a.
b.
c.
d.
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6
the Troposphere
the Mesosphere
the Thermosphere
the Stratosphere
the air temperature decreases in the Thermosphere
the air temperature increases in the Thermosphere
the air pressure decreases in the Thermosphere
the air pressure increases in the Thermosphere
As you move further away from the earth's surface, the pressure of
the air decreases. Why is this the case?
a.
b.
the air temperature decreases
Earth's pull of gravity decreases
c.
d.
_______
7
The two most common gases found throughout all of the above
layers are:
a.
b.
c.
d.
_______
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9
carbon dioxide and water vapor
hydrogen and helium
nitrogen and oxygen
argon and sulfur dioxide
The climate in different regions of the earth is partly determined by
convection currents. Which of the following is a general rule that
describes the role of convection when it comes to weather?
a.
b.
c.
d.
_______
the amount of sunlight decreases
the amount of gas in the air decreases
melting snow turns to water
freezing rain turns to snow
hot air rises
hot water evaporates
Areas of the earth are divided into different convection regions based
on their what?
a.
b.
c.
d.
_______
10
Which of the following terms describes the convection regions closest
to the equator (Regions C and D)?
a.
b.
c.
d.
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11
b.
c.
d.
12
continental
temperate
polar
tropical
The diagram above shows the convection regions of the earth. Which
of the following describes how convection current can have an impact
on a smaller scale?
a.
_______
precipitation
elevations
longitudes
latitude
convection currents can result in a constant breeze near
bodies of water
convection currents can influence the direction of ocean
currents
convection currents help the oceans regulate the
temperature on the land
convection currents create global wind belts
The station model above gives two conflicting readings. What are
they?
a.
b.
c.
it says that it is snowing, but the temperature is above
freezing
it says that the sun is shining, but it is an overcast day
it says that it is windy, but the wind is not blowing in any
d.
_______
13
A sample station model is shown above. Meteorologists use this to
determine which of the following?
a.
b.
c.
d.
_______
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15
the average weather conditions over time at a specific
observation area
the past weather conditions over a given amount of time at a
specific observation area
the predicted weather conditions for a given amount of time
at a specific observation area
the current weather conditions at a specific observation area
The number 57 on the left of the station model (shown by Letter B)
provides information about what?
a.
b.
c.
d.
_______
direction
it says that it is raining, but there are no clouds in the sky
wind speed
amount of precipitation
air pressure
temperature
Which symbol provides information about the wind speed at the area
where the station model is located?
a.
b.
c.
d.
Letter B
Letter C
Letter A
Letter D
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16
Which of the following is shown by the diagram above?
a.
b.
c.
d.
_______
17
Letter A is pointing to a fast-moving ribbon of air that is circling the
globe. This is knows as a:
a.
b.
c.
d.
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19
heat wave.
jet stream.
polar wind.
gulf stream.
The trade winds shown by Letter C are known by which of the
following terms?
a.
b.
c.
d.
_______
wind tunnels
seasonal winds
wind advisories
global winds
polar winds
easterly winds
westerly winds
jet streams
Prevailing "westerlies" in the temperate region are shown by:
a.
b.
c.
d.
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20
A meteorologist who is looking at the above map might be concerned
that:
a.
b.
c.
d.
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22
the Eastern part of the United States is going to be struck by
a hurricane.
the Western part of the United States is going to see
flooding in certain areas.
the Eastern part of the United States is going to suffer from
a drought.
the Western part of the United States is going to have heavy
snow storms.
According to the map, the most likely areas of heavy precipitation are:
a.
b.
c.
d.
_______
Letter B
Letter D
Letter C
Letter A
nowhere--there is no precipitation anywhere in the country.
across the entire country.
in the Eastern United States.
in the Western United States.
According to the map, which type of weather situation is more likely in
the Western part of the United States than in the Eastern part?
a.
b.
c.
d.
heavy precipitation
low visibility
high pressure systems
low pressure systems
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23
Arrow A shows that precipitation is falling from a cloud to the ground.
If the air temperature is below zero degrees Celsius in all layers of
the atmosphere, the most likely form of this precipitation will be:
a.
b.
c.
d.
_______
24
In the water cycle shown above, Arrow B represents "runoff". Where
will this running water eventually go?
a.
b.
c.
d.
_______
25
freezing rain.
hail.
snow.
sleet.
into extremely dry areas
into a larger body of water
into areas of high elevation
it will be absorbed into nonporous materials like pavement
and concrete
When the water vapor rises into the atmosphere (Arrow C), it starts to
cool and transform back into a liquid. The result is the formation of a
cloud. The process of water vapor turning into a liquid is known as:
a.
b.
c.
filtration
evaporation
condensation
d.
_______
26
Arrow C in the picture above is an example ground water turning into
water vapor. If this water vapor had been released by plants, then it
would be an example of what?
a.
b.
c.
d.
_______
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28
29
a hollow object that allows air to easily pass through
a vibrating object that makes noise as it blows in the wind
a metallic object that expands as the temperature rises
a flat object that rotates when it pushes against air
The psychrometer is used to measure humidity. It does this by
recording:
a.
b.
c.
d.
_______
evaporation
transpiration
condensation
filtration
The weather vane shown above is used to monitor wind direction.
What is the best definition for "vane"?
a.
b.
c.
d.
_______
transpiration
the changing pressure of the air.
the amount of water vapor in the air.
the elevation of clouds in the atmosphere.
the rate at which water flows through air.
A weather vane is only used to show the direction that the wind is
blowing. You would need to use an anemometer if you wanted to
know the wind's:
a.
b.
acceleration.
speed.
c.
d.
_______
30
If the thermometer says that the temperature is below freezing, which
of the following would be the best sign that a snow storm is coming
soon?
a.
b.
c.
d.
_______
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32
the barometer shows a drop in the air pressure
the thermometer shows a sudden rise in temperature
the thermometer shows a sudden drop in temperature
the weather vane shows a change in wind direction
Which of the following can be correctly predicted if the reading on a
thermometer is -5 degrees Celsius?
a.
b.
c.
d.
_______
temperature.
elevation.
that the water in the birdbath is frozen
that it is snowing
that it is raining
that the water in the birdbath has evaporated
Letter C shows that some of the heat rising from the earth's surface is
trapped by gases in the atmosphere and reflected back to earth. This
is known as what?
a.
b.
smog
solar flares
c.
d.
_______
33
Which occurrence is being demonstrated by Letter B?
a.
b.
c.
d.
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34
greenhouse effect
windshield effect
All of the solar energy that reaches the earth's surface
eventually leaves the atmosphere.
The solar energy that reaches the earth's surface is unable
to be absorbed.
The heat that reaches the earth's surface is released back
as solar energy.
The solar energy that reaches the earth's surface is
released back as heat.
Which of the following is true about the solar energy that is able to
reach the earth's surface (shown in Letter A)?
a.
b.
c.
d.
it is turned to heat more quickly by the oceans than by the
land
it is turned to heat at the same rate by the land and oceans
it is reflected off of the earth's surface before being
absorbed by the land or oceans
It is turned to heat more quickly by the land than by the
oceans