iQuizr - A Place for iQuiz Trivia

Air pressure is measured in

a. Millibars
b. At the bar
c. Isobars
d. Millimetres

Air which is warm

a. Expands and rises
b. Cools and subsides
c. Floats about a bit
d. Is nice

Air which rises is

a. Stable
b. Warmed
c. Unstable
d. On the up

Which is the correct sequence?

a. ACRCRC
b. ARCCCR
c. RACCCR
d. CACARRC

Widely spaced isobars indicate

a. Steep pressure gradient
b. Gentle pressure gradient
c. Strong winds
d. Heavy rain

Depressions tend to

a. Last for 3 or 4 days
b. Last for longer than anticyclones
c. Result in dry conditions
d. Loom close to exams

Depressions originate in

a. The North Sea
b. The Thames
c. The North Atlantic
d. London

The 2 most important air masses in their formation are

a. Tropical maritime and Arctic maritime
b. Polar continental and Arctic maritime
c. Tropical continental and polar Maritime
d. Tropical maritime and Polar continental

The trigger for a depression is

a. A bad day
b. Development of upper air movement ahead of a trough
c. Low pressure
d. Cyclogenesis

When the 2 air masses converge they

a. Move in different directions
b. Subside to ground level
c. Spiral upwards in the 'vacuum cleaner' effect
d. Form an anticyclone

The rotation of the earth produces the

a. Seasons
b. Coriolis Force
c. Air pressure to drop
d. Air pressure to rise

The upper air jet stream has

a. No effect on the formation of a depression
b. Variable speeds
c. An effect by 'pulling' the depression along from the west to the east
d. No effect on the movement of a depression

Pressure continues to fall and

a. Wind speeds increase
b. Cold front rapidly undercuts the warm air which rises even faster
c. Warm sector progressively shrinks in size
d. All of the above

When the cold front catches up with the warm front it is called

a. An occlusion
b. A shame
c. An anticyclone
d. A cold front