Geog 102: Sample questions for Test 2 :

(Correct answer is in color)

This material is more complex than that of the first section of the course so make sure you study but also don’t waste brain space worrying.

1) The vast majority of tornadoes in the northern hemisphere exhibit _________ rotation because they are ______ pressure systems like all storms.

A) counterclockwise; high

B) clockwise; low

C) clockwise; high

D) counterclockwise; low

2) Which of the following is true of the polar front zone?

A) It is a zone in which warm and cold air mix.

B) It is a zone where mid-latitude lows form

C) The polar jet stream is usually located above it.

D) All of the above are true.

3) Dew point is reached when:

A) The wet bulb temperature is higher than the dry bulb temperature.

B) Isobars are very close together

C) The dry bulb temperature is the same as the wet bulb temperature

D) Water evaporates from the surface of leaves

21. The saturated adiabatic lapse rate is a lesser lapse rate than the dry adiabatic lapse rate. This is because___________.

a. it occurs higher up mountains

b. "wet" air doesn't rise

c. the air must be stable

d. latent heat is being released as water vapor turns into liquid water

True False

1) Cloud seeding introduces particles into an air mass (True)

2) El Nino’s are a recent development of the last 20 years caused by global warming (False)

3) Stratus clouds normally consist of ice crystals. (False)

Diagrams

1) Draw a diagram that shows the wind and ocean conditions in the tropical pacific ocean when conditions are ‘normal’, that is when there is no El Nino. Show the ‘warm pool’. location of upwelling, the direction of the trade winds, and the area of most rainfall.

Short answer

1) Describe orographic rainfall to a friend.

2) Describe the Hadley atmospheric convection cell and it’s relationship to rainforests and deserts.