Lab: Weather Patterns — Unit test Answers

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1
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Which atmospheric layer is where Earth's northern and southern lights occur?

A
mesosphere
B
stratosphere
C
thermosphere
D
troposphere
2
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Which correctly lists the three methods of heat transfer?

A
absorption, conduction, convection
B
conduction, convection, radiation
C
convection, absorption, reflection
D
radiation, conduction, reflection
3

Which process contributes to the formation of tornados?

A
Water droplets freeze, giving off energy.
B
The storm begins to rotate around a central eye.
C
The Coriolis effect creates the spin of the storm.
D
Warm air rises, resulting in a decrease in air pressure.
4

Which statement best describes wavelengths of sunlight that are longer than 700 nanometers?

A
These wavelengths form the infrared part of the spectrum.
B
These wavelengths form the ultraviolet light of the spectrum.
C
These wavelengths are shorter than the wavelengths of visible light.
D
These wavelengths are part of the visible light spectrum.
5

Sara was caught in a thunderstorm while outdoors. She immediately makes sure that she is not near any tall structures or trees. What is Sara most likely trying to avoid?

A
being struck by lightning
B
being hit by thunder
C
being caught by falling hail
D
being carried away by strong winds
6

Which belt is a global wind belt found in the middle latitudes?

A
doldrums
B
jet streams
C
trade winds
D
prevailing westerlies
7

Which type of cloud forms close to the ground when the temperature is just above the dew point?

A
cirrus
B
cumulus
C
fog
D
stratus
8

Which correctly list the three gases that each make up less than 1 percent of Earth’s atmosphere?

A
argon, water vapor, carbon dioxide
B
oxygen, argon, water vapor
C
nitrogen, oxygen, carbon dioxide
D
carbon dioxide, oxygen, argon
9

Which statement accurately describes the relationship between air pressure, air density, or altitude?

A
As altitude increases, pressure increases.
B
As altitude increases, air density increases.
C
Air pressure and density are lowest at sea level.
D
Denser air exerts more pressure than less dense air.
10

Which correctly lists three factors that are important to consider when forecasting weather?

A
clouds, isotherm, butterfly effect
B
isotherm, air pressure, temperature
C
air pressure, temperature, clouds
D
temperature, clouds, isotherm
11

Which major type of air mass forms over warm water?

A
maritime polar
B
continental polar
C
maritime tropical
D
continental tropical
12

Which phrase defines altitude?

A
how tightly molecules are packed
B
a column of air pushing on an area
C
the force pushing on an area or a surface
D
the height of a given point above sea level
13

What percentage of light hits Earth’s surface directly?

A
3 percent
B
5 percent
C
31 percent
D
47 percent
14

How is warm front formation different from occluded front formation?

A
A warm air mass rises above a cold air mass during a warm front, but two cold air masses surround a warm air mass during an occluded front.
B
Two cold air masses surround a warm air mass during a warm front, but a cold air mass moves against a warm air mass during an occluded front.
C
A cold air mass moves faster than a warm air mass during a warm front formation, but a cold air mass is pushed upward during an occluded front.
D
A warm air mass and a cold air mass form a boundary during a warm front, but water condenses between two air masses during an occluded front.
15

What must occur for air masses to form fronts?

A
They must increase in strength.
B
They must collide with each other.
C
They must move from west to east.
D
They must create air-pressure differences.

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