Download Meteorology Test On a July day large cumulonimbus clouds are

Meteorology Test
1. On a July day large cumulonimbus clouds are forming. It is warm and humid and the
barometer is falling. What is the weather prediction?
a. Fog
b. Sunny day
c. Snow
d. Thunderstorms
2. An air mass forms over the Gulf of Mexico and moves northeast across Georgia. What
weather conditions are likely to prevail in Georgia?
a. Cool and dry
b. Cool and humid
c. Warm and dry
d. Warm and humid
3. For frost to on the grass in the morning, the water vapor in the air must do what?
a. Evaporate and freeze
b. Boil and condense
c. Condense and freeze
d. Boil and evaporate
4. The ozone layer of the atmosphere protects the earth from excessive ultraviolet radiation.
Because ozone absorbs ultraviolet radiation, the ozone layer is
a. Warmer than the layers surrounding it
b. Situated at the top of the ionosphere
c. Cooler than the layers surrounding it
d. More than 100 km in thickness
5. Which layer of the atmosphere does weather occur?
a. Troposphere
b. Ionosphere
c. Thermosphere
d. Mesosphere
6. Cold air masses from at high latitudes are called what?
a. Polar air masses
b. Continental air masses
c. Maritime air masses
d. Tropical air masses
7. A hurricane that hits the coast of the southeastern United States is most likely formed in
the
a. Pacific Ocean near Hawaii
b. Atlantic Ocean off the coast of New England
c. Equatorial region of the Atlantic Ocean
d. In the Arctic Ocean north of Canada
8. In some years there are more hurricanes than usual. This is probably because
a. The ocean is warmer than usual
b. The ozone layer is very thin
c. The gravitational pull of the Moon is stronger
d. There are more windy days
9. An air mass gets its temperature and humidity from
a. The land or water over which it forms
b. Changes in the upper atmosphere
c. The latitude at which it forms
d. The air masses that surround it
10. The jet stream has a great impact on changing weather conditions in an area because it
a. Does not change with the seasons
b. Keeps the atmosphere supplied with moisture
c. Moves air masses
d. Speeds up evaporation following precipitation
11. Which is the best indicator of an approaching storm?
a. Sudden decrease in wind speed
b. Decrease in barometric pressure
c. Clearing sky after a cold front
d. Sudden drop in humidity
12. The weather forecast for a valley is a temperature of 35 F and light precipitation. Which
weather conditions are Most Likely to be found on the mountain above the valley?
a. Warmer temperatures and light snow
b. Freezing temperatures and snow
c. Freezing temperatures and rain
d. Warmer temperatures and heavy rain
13. Wind results when two air masses collide that have a difference in
a. Size
b. Pressure
c. Latitude
d. Altitude
14. Suppose you are swimming in a lake when a thunderstorm approaches. Which of the
following would be the best way to protect yourself from lightning?
a. Diving under water
b. Going fishing instead of swimming
c. Taking shelter in an automobile
d. Taking shelter under a tree
15. Which of the following is a typical of a tropical maritime air mass?
a. Cold, dry air
b. Cool, moist air
c. Hot, dry air
d. Warm, moist air
16. Large, dark clouds that produce thunderstorms are called what?
a. Stratocumulus
b. Cirrostratus
c. Altocumulus
d. Cumulonimbus
17. Which must be present before a hurricane can develop?
a. A high pressure cell
b. Warm, moist air
c. A warm front
d. Cool, turbulent air
18. On a hot summer day, the wind suddenly starts to blow, clouds start to form, there is a
brief thunderstorm, and it becomes cooler. What probably happened?
a. Seasonal change began
b. It was near sunset
c. A warm front passed through
d. A cold front passed through
19. What causes the outside of the windshield of a car to get icy on a cold autumn night when
there is no rain?
a. Moisture comes from inside the car
b. Water vapor from the air condenses and freezes on the glass
c. Water that is already on the glass evaporates and freezes
d. Hydrogen and oxygen in the air combine and form water and it freezes
20. A thunderstorm begins to form over the ocean. As it becomes larger, its winds spin with
speeds of up to 80 miles an hour. Which type of storm is this?
a. Tornado
b. Blizzard
c. Hurricane
d. Monsoon
21. Cold air is more dense than warm air. When a cold air mass moves into a warm air mass,
causing a cold front, the warm air mass is
a. Compressed into a smaller mass, as it becomes warmer
b. Forced backward, as the approaching cold air replaces it
c. Pushed upward, where its water vapor condenses
d. Squeezed downward, causing clouds and rain
22. The atmosphere is
a. The layer in which weather occurs
b. The layer that contains the ozone layer
c. The layer of water in the oceans
d. The layer of gases that surrounds Earth
23. Earth’s atmosphere is important to living things because it
a. Contains dust
b. Is very thin compared to the size of the Earth
c. Provides all the gases needed to live
d. Nitrogen and hydrogen
24. The two most abundant gases in the atmosphere are
a. Carbon dioxide and oxygen
b. Carbon dioxide and nitrogen
c. Nitrogen and oxygen
d. Nitrogen and hydrogen
25. Land breezes occur because
a. Land cools off faster than water
b. Land cools off more slowly than water
c. Land heats up faster than water
d. Land heats up more slowly than water
26. Sea breezes occur during
a. Only a full moon
b. The day time
c. The night time
d. Never
27. Earth’s rotation makes winds seem to curve. This is called the
a. Convection effect
b. Global effect
c. Coriolis effect
d. Rotational effect
28. Clouds form when water vapor in the air
a. Falls to the ground
b. Is deposited as ice onto a solid surface
c. Condenses onto a solid surface
d. Evaporates
29. Any form of water that falls from the clouds is called
a. Dew
b. Evaporation
c. Condensation
d. Precipitation
30. Warm air masses that affect the west coast of the United States are called
a. Maritime polar air masses
b. Maritime tropical air masses
c. Continental polar air masses
d. Continental tropical air masses
31. Cold, dry air affecting the northern United States in winter often comes from
a. Maritime polar air masses
b. Maritime tropical air masses
c. Continental polar air masses
d. Continental tropical air masses
32. A funnel-shaped cloud that touches the Earth’s surface is called a
a. Hurricane
b. Anticyclone
c. Tornado
d. Thunderhead
33. One of the best places to seek protection during a tornado is
a. In the attic
b. Beside either the stove or the refrigerator
c. In the garage
d. In the basement of a well built building
34. Weather forecasting has improved recently because of
a. Fewer weather changes
b. More experienced weather forecasters
c. Computer technology
d. Television reporting
35. People who study weather and try to predict is are called
a. Astronomers
b. Geologists
c. Meteorologists
d. Weather predictors
36. What causes local winds, like a sea breeze?
a. Global winds
b. Trade winds
c. Polar easterlies
d. Temperature differences
37. The amount of water vapor in the air is called
a. Saturation
b. Humidity
c. Clouds
d. Psychrometer
38. The change of state from a gas (water vapor) to liquid water is called
a. Humidity
b. Condensation
c. Evaporation
d. Precipitation
39. The change of state from liquid water to a gas (water vapor) is called
a. Humidity
b. Condensation
c. Evaporation
d. Precipitation
40. Which is a land breeze?
Diagram A
Diagram B