Meteorology Unit Study Guide
Mrs. Peacock Earth Science 8th Block
1. Cloudy nights can be warmer than clear nights because clouds trap heat
absorbed by Earth during daylight hours
2. What is likely to occur after moist air is cooled below its dew point?
Water Condenses
3. What does the label L in the above picture indicate? Low Pressure
4. What weather event might have happened at 2:00 P.M.? A Thunderstorm Passed
5.
Answer is A
6. What causes currents in the atmosphere? Warm air rising, cold air sinking
7. What would explain the change in the direction of air movement from daytime to nighttime?
Land temperature changes more quickly than water temperature.
On weather maps, there are lines with tiny triangles on one side. This represents —
8. On weather maps, there are lines with tiny triangles on one side. This represents
cold air moving in the direction the triangles point
9.
Answer is H
10. What does the ozone layer protect the Earth from? ultraviolet rays
Chapter 17
1.
The Earth’s atmosphere is 78% ____________ and 21% ______________.
a. Oxygen, nitrogen
b. Nitrogen, oxygen
2.
When water falls to the Earth from a cloud, it is called ______________.
a. Condensation
b. Precipitation
3.
Water leaving the surface of the Earth as a water vapor is called
____________________.
a. Evaporation
b. condensation
4.
When water evaporates from a tree leaf, it is called ________________.
a. Evaporation
b. Transpiration
5.
Water is neither created nor destroyed.
a. True
b. False
6.
Without photosynthetic plants producing oxygen, humans would not survive.
a. True
b. False
7.
Sunlight reaches the Earth’s surface via ______________________.
a. Radiation
b. Conduction
8.
All weather occurs in the ____________________________.
a. Troposphere
b. Stratosphere
9.
The Ozone layer is located in the ___________.
a. Troposphere
b. Stratosphere
10.
Auroras occur and satellites orbit the Earth in the _________________.
a. Mesosphere
b. Thermosphere
11.
The Earth receives the most DIRECT sunlight at _________________.
a. Noon
b. 3 pm
12.
The Earth’s surface is warmest around ______________________
a. Noon
b. 3pm
13.
The equatorial region receives more direct sunlight than the polar regions.
a. True
b. False
14.
Cloud cover can block the sun, keeping the Earth cooler, but it can also trap
heat, keeping Earth’s surface _________________.
a. Cooler
b. Warmer
15.
Land heats up and cools down more __________ than water.
a. Slowly
b. Quickly
CHAPTER 18
16.
Frost on the ground moving into water vapor in the atmosphere is called
________.
a. Deposition
b. Sublimation
17.
Humidity is the amount of _____________ in the air.
a. Rain
b. Water vapor
18.
At 100% humidity, ______________occurs.
a. Evaporation
b. Condensation
19.
Precipitation only comes from the clouds.
a. True
b. False
20.
Warm air “holds” more moisture than cold air.
a. True
b. False
21.
When the atmosphere reaches it’s dew point, _______________ occurs.
a. Evaporation
b. Condensation
22.
If the dew point is less than 32oF, ____________ occurs.
a. Frost
b. Dew
23.
Condensation nuclei include _______________.
a. Birds and bees
b. Dust and pollen
.
24.
When a fog “burns” off, the atmosphere has warmed up and the fog has
_________.
a. Evaporated
b. Condensation
25.
The ________side of a mountain receives all of the rain, whereas the ____side of a
mountain is a desert.
a. Leeward, windward
b. Windward, leeward
Chapter 19
26.
Atmospheric pressure is the ____________ of the atmosphere.
a. Weight
b. Temperature
27.
Instruments used to measure atmospheric pressure are ___________.
a. Thermometers
b. Barometers
28.
High pressure areas rotate ________ and bring in _______ weather.
a. Clockwise, good
b. Counterclockwise, bad
29.
Low pressure areas rotate ___________ and bring in ______ weather.
a. Clockwise, good
b. Counterclockwise, bad
30.
Humid air is _______ then dry air.
a. Lighter b. Heavier
31.
Isobars connect points of equal _________________.
a. Temperature
b. Pressure
32.
Isotherms connect points of equal __________________.
a. Temperature
b. Pressure
33.
Local wind is the movement of air from ______________ to _____ pressure.
a. High, low
b. Low, high
34.
The Coriolis Effect causes global winds to be deflected to the _______.
a. East
b. West
35.
During the day, you feel a ________ sea breeze, whereas at night, you feel a
__________ land breeze.
a. Warm, cool
b. Cool, warm
36.
A/an ______ measures the speed of the wind and a ___________ measures the
direction of the wind.
a. Anemometer, wind vane
b. Wind vane, anemometer
Chapter 20 & 21
37.
An air mass has the same temperature and pressure throughout.
a. True
b. False
38.
A cT air mass has _________________, ______________ air.
a. Warm, dry
b. Cool, moist
39.
A mP air mass has _____________, ____________ air.
a. Warm, dry
b. Cool, moist
40.
The leading edge of an air mass is a ______________________.
a. Cloud
b. Front
41.
Fronts are only connected to ____________pressure areas.
a. High
b. Low
42.
The fuel for a cumulonimbus (thunderstorm) cloud is ___________ from the
ground.
a. Warm, moist air
b. Cool, moist
43.
If there is enough _______ in a T-storm cloud, hail & tornadoes can form.
a. Vortex (spin)
b. Mesocookie
44.
Lightning is the bright light that occurs when a negative step leader from a
cumulonimbus cloud connects with a ________ charge in the ground.
a. Negative
b. Positive
45.
Thunder is the __________ that is made when the lightning connection occurs.
a. Light
b. Sound
46.
The Fujita Scale measures the ________ of the tornado.
a. Intensity (wind speed)
b. Moisture level
47.
Squall lines are a lines of ____________ moving across the country .
a. Tornadoes
b. Thunderstorms
48.
_____________ changes day to day whereas _____________changes maybe one
degree per century.
a. Climate, weather
b. Weather, climate
49.
Virginia’s climate can be described as ______________________.
a. Cool
b. mild
50.
A weather station model can show temperature, dew point, precipitation, cloud
cover, wind direction and speed and ___________________.
a. Humidity
b. Atmospheric pressure
PART B.
Label each of the Fronts below
1. Cold Front 2. Warm Front
3. Occluded Front
4. Stationary Front
5. What is the strongest type of air mass, warm or cold? Cold
6. Meteorology is more than just the weather; it also includes the study of the
atmosphere. True or False? _______________________
7. The fuel for a hurricane is warm, moist air from the…….oceans or land?
______________________
BONUS!!!!
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Temperature? 50
Dewpoint? 42
Pressure in millibars? ____________
Pressure tendency? _+18
Cloud cover? Partly Cloudy
Wind direction? NNE
Wind speed? 10 mph
Precipitation? none