QUIZ 8 PHSC 210 QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026
Sleet forms when - Answers Rain begins to fall from a thick layer of warm air
(above freezing) as it moves over a thick layer of cold air (below freezing)
Your clothes become damp on a hot summer day because of which of the following? - Answers The
relative humidity is high and your sweat is
not completely evaporated.
What is the definition of aggregation? - Answers The growth of snowflakes as ice crystals
stick together
You plan a day trip into the mountains and want to estimate the
temperature at the mountain peak. You measure an air temperature
of 25°C and the peak is 2.5 km above your starting location. What is
the temperature at the peak if the air is dry (no clouds)? - Answers 0°C
Which of the following is the cause of sea breezes? - Answers The land becomes warmer than the
ocean and
wind blows towards the land
Which of the following is true about the pressure gradient force (PGF)? - Answers all of the above
Which cloud consists only of ice crystals and forms a thin veil across the sky? - Answers cirrostratus
Why is the moist lapse rate less than the dry lapse rate? - Answers Rising moist air forms
condensation which
releases heat into the atmosphere
In a thermal circulation what is happening at the surface of the warm
column of air? - Answers Air is converging on low pressure and rising
air forms clouds.
If the air above liquid water is warm and dry, which of the following is
most likely occurring? - Answers More water is evaporating from the surface
than is condensing on the surface
Which is the correct description of a dry haze? - Answers Consists of small particles that preferentially
scatter blue light.
Which of the following statements is true when comparing humidity
levels in the Sahara desert to humidity levels in Antarctica? - Answers Saturation vapor pressure is
lower in
Antarctica than in the Sahara
Which mechanism of forced instability is defined as "air moving into a
low pressure system causes air to rise? - Answers convergence
What does the Latin word 'cirrus' mean? - Answers wisp of hair
The environmental lapse rate is measured at 7 °C. What is the stability
of this air? - Answers conditionally unstable
On a warm summer day you see cumulus clouds form due to rising
thermals from the surface. If the surface air temperature is 32°C
and the dew point temperature is 20°C, what is the altitude of the
cloud base? - Answers 1.5 km
Which of the following conditions is compatible with seeing a rainbow? - Answers The sun is behind
you and the rain is in
front of you
The 500 mb pressure level in a warm column of air will occur at a
greater altitude than in a cold column of air. - Answers True
Halos are the result of light refracting through ice crystals - Answers True
Drizzle consists of small water droplets falling from nimbostratus clouds - Answers True
If humid air comes into contact with the outside of a glass of ice water, the air becomes
supersaturated? - Answers True
The abbreviation for cumulonimbus is Cn - Answers False
Air forced downward becomes warmer and more stable - Answers True
Relative humidity is highest in the afternoon when the air temperature is highest. - Answers False
Which of the following happens at the lifting
condensation level (LCL)? - Answers all of the above
Which of the following is true about rising air
Sleet forms when - Answers Rain begins to fall from a thick layer of warm air
(above freezing) as it moves over a thick layer of cold air (below freezing)
Your clothes become damp on a hot summer day because of which of the following? - Answers The
relative humidity is high and your sweat is
not completely evaporated.
What is the definition of aggregation? - Answers The growth of snowflakes as ice crystals
stick together
You plan a day trip into the mountains and want to estimate the
temperature at the mountain peak. You measure an air temperature
of 25°C and the peak is 2.5 km above your starting location. What is
the temperature at the peak if the air is dry (no clouds)? - Answers 0°C
Which of the following is the cause of sea breezes? - Answers The land becomes warmer than the
ocean and
wind blows towards the land
Which of the following is true about the pressure gradient force (PGF)? - Answers all of the above
Which cloud consists only of ice crystals and forms a thin veil across the sky? - Answers cirrostratus
Why is the moist lapse rate less than the dry lapse rate? - Answers Rising moist air forms
condensation which
releases heat into the atmosphere
In a thermal circulation what is happening at the surface of the warm
column of air? - Answers Air is converging on low pressure and rising
air forms clouds.
If the air above liquid water is warm and dry, which of the following is
most likely occurring? - Answers More water is evaporating from the surface
than is condensing on the surface
Which is the correct description of a dry haze? - Answers Consists of small particles that preferentially
scatter blue light.
Which of the following statements is true when comparing humidity
levels in the Sahara desert to humidity levels in Antarctica? - Answers Saturation vapor pressure is
lower in
Antarctica than in the Sahara
Which mechanism of forced instability is defined as "air moving into a
low pressure system causes air to rise? - Answers convergence
What does the Latin word 'cirrus' mean? - Answers wisp of hair
The environmental lapse rate is measured at 7 °C. What is the stability
of this air? - Answers conditionally unstable
On a warm summer day you see cumulus clouds form due to rising
thermals from the surface. If the surface air temperature is 32°C
and the dew point temperature is 20°C, what is the altitude of the
cloud base? - Answers 1.5 km
Which of the following conditions is compatible with seeing a rainbow? - Answers The sun is behind
you and the rain is in
front of you
The 500 mb pressure level in a warm column of air will occur at a
greater altitude than in a cold column of air. - Answers True
Halos are the result of light refracting through ice crystals - Answers True
Drizzle consists of small water droplets falling from nimbostratus clouds - Answers True
If humid air comes into contact with the outside of a glass of ice water, the air becomes
supersaturated? - Answers True
The abbreviation for cumulonimbus is Cn - Answers False
Air forced downward becomes warmer and more stable - Answers True
Relative humidity is highest in the afternoon when the air temperature is highest. - Answers False
Which of the following happens at the lifting
condensation level (LCL)? - Answers all of the above
Which of the following is true about rising air
