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Worksheets7th Grade Weather Test Prep
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
Which of the following is not one of the reasons an atmosphere is important on earth?
a)
It is an important part of the water cycle
b)
It keeps earth's temperature moderate
c)
It allows humans to get all the UV radiation provided by the sun
d)
It provides needed substance for waves to travel
2.
The most abundant gas in Earth’s atmosphere is:
a)
oxygen
b)
nitrogen
c)
hydrogen
d)
carbon dioxide
3.
Respiration is in some ways the opposite of photosynthesis. In land animals, it …
a)
removes carbon dioxide from the atmosphere.
b)
releases oxygen to the atmosphere
c)
releases carbon dioxide to the atmosphere
d)
none of the above
4.
What would happen to the air pressure on Earth’s surface if the density of the Earth’s atmosphere were to suddenly double?
a)
The air pressure would decrease by half
b)
The air pressure would increase 2X
c)
The air pressure would stay the same
d)
The air pressure would increase 4X
5.
As you start to climb up a mountain you notice that it is getting much colder. What is happening to the atmosphere’s density.
a)
It is increasing
b)
It is decreasing
c)
It stays the same
d)
It disappears
6.
Global winds are winds that occur at distinct_________________.
a)
Longitudes
b)
Latitudes
c)
Continents
d)
Oceans
7.
In the Northern Hemisphere, the Easterlies blow to the….
a)
southwest
b)
southeast
c)
northweast
d)
northeast
8.
Local winds blow from:
a)
Low to High pressure
b)
High to Low pressure
c)
West to East
d)
East to West
9.
An area of high speed winds located at a high altitude between two global wind cells is called the:
a)
Polar Cell
b)
Hadley Cell
c)
Ferrel Cell
d)
Jet Stream
10.
The Santa Ana winds blow:
a)
The high desert sucks cool wind off the Pacific Ocean
b)
Hot, dry air from the high desert blows toward the Pacific Ocean through the mountain passes.
c)
The mountain create moist winds and they blow toward the Pacific Ocean.
d)
None of the above
11.
_____________________ is created when surface winds and cold temperatures combine.
a)
snow
b)
sleet
c)
wind chill
d)
wind speed
12.
__________________ is the temperature to which air must be cooled to become saturated with water.
a)
dew point
b)
relative humidity
c)
precipitation point
d)
fog
13.
_______________ are narrow zones between two air masses where clouds and precipitation often occur.
a)
pass
b)
zone
c)
front
d)
back
14.
_________________ are narrow lines connecting areas of similar air pressure.
a)
isotherms
b)
barometric lines
c)
isobars
d)
crests
15.
Storms are more likely to form at the leading/eastern edge of a _______________________.
a)
crest
b)
trough
c)
air mass
d)
specific heat
16.
Generally, weather systems move across the US from west to east.
a)
true
b)
false
17.
High pressure areas typically have poor weather coming.
a)
true
b)
false
18.
Cold air is more dense than warm air allowing cold air masses to “bulldoze” under warm air masses.
a)
true
b)
false
19.
32 degrees Celsius is freezing.
a)
true
b)
false
20.
The average sea level air pressure is 1013.25 millibars.
a)
true
b)
false
21.
Wind speed is measured in knots.
a)
true
b)
false
22.
Water has a lower specific heat than sand.
a)
true
b)
false
23.
Air density increases with an increase in altitude.
a)
true
b)
false
24.
Gravity pulls air toward the center of earth creating higher air pressure at lower elevation.
a)
true
b)
false
25.
Without an atmosphere, Earth would be a lifeless rock similar to the moon.
a)
true
b)
false
26.
Nor'easters are storms that move north up the East Coast of the United States bringing strong winds and precipitation.
a)
true
b)
false
27.
How do Chinook winds affect weather on a mountain range?
a)
Air descending from the mountains experiences adiabatic heating; as it warms it melts all the snow.
b)
Air ascending over the mountains stays aloft and is too high to precipitate.
c)
Air ascending over the mountains experiences adiabatic heating and precipitates on the top of the mountain range.
d)
None of these
28.
In India, summer monsoons
a)
Bring dry air into the region, which sucks up all the moisture.
b)
Bring much needed rain for drinking and irrigation.
c)
Bring a much increased chance of tornados and hurricanes into the region.
d)
none of the above
29.
The scientific principle which explains why certain objects heat and cool faster than others is called:
a)
particular heat
b)
specific heat
c)
density
d)
pressure
30.
The adiabatic process is:
a)
When winds heat as they rise up a mountain due to decreased pressure
b)
When winds cool as they slide down a mountain due to increased pressure
c)
When winds heat up as they slide down a mountain due to increased pressure
d)
None of the above
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