Name:________________________________
Date__________________________________
Block__________________________________
Weather Unit 1 **PLEASE CIRCLE YOUR ENTIRE ANSWER**
1. Which of the following is NOT a part of the water cycle?
a. Evaporation
b. Condensation
c. Precipitation
d. Maritime Tropical
2. The water cycle is powered by……
a. Water
b. Rain
c. The Sun
d. The Moon
3. The continuous process by which water moves from Earth’s surface to the
atmosphere and back.
a. Precipitation
b. Evaporation
c. The water cycle
d. Water Vapor
4. A huge body of air that has similar temperature and humidity and air pressure.
a. Air front
b. Air Mass
c. Transpiration
d. Cold front
5. The symbol above represents….
a. Cold front
b. Warm front
c. Stationary front
d. Occluded front
6. A front where a warm air mass is caught between two colder air masses.
a. Warm front
b. Cold front
c. Stationary front
d. Occluded front
7. A maritime tropical air mass will have what temperature and moisture properties?
a. Wet and cold
b. Wet and warm
c. Dry and cold
d. Dry and warm
8. Polar air masses are….
a. Dry
b. Wet
c. Warm
d. Cold
9. Hurricanes form near the equator and …
a. Over Land
b. Close to mountains
c. Over the ocean
d. Hurricanes do not form near the equator
10. What happens to the air pressure as you go higher in altitude?
A. It increases.
B. It decreases.
C. It remains steady.
D. It changes randomly.
11. Wind is caused by:
A. the movement of the Earth through space.
B. the tilt of the Earth's axis.
C. temperature and pressure differences.
D. the pull of the Moon's gravity.
12. Which term is a measure of the amount of moisture in the air?
A. precipitation
B. humidity
C. heat
D. pressure
13. A boundary between two air masses with different temperature and moisture characteristics
is _________.
A. a cyclone
B. a front
C. a temperature inversion
D. an anticyclone
14. What do weather forecasters use to forecast the weather?
A. superstitions
B. beliefs
C. weather patterns
D. dreams
15. Winds always blow _______.
A. from sea to land
B. from high to low elevations
C. from low- pressure to high-pressure areas
D. from high-pressure to low-pressure areas
16. What device is used to measure air pressure?
A. thermometer
B. barometer
C. anemometer
D. hygrometer
17. What is the study of the atmosphere and weather called?
A. meteorology
B. geology
C. astronomy
D. ecology
18. As a front pass through your area, thunderstorms occur and the temperature changes from
85 to 65 degrees F. What kind of front was this?
A. cold front
B. warm front
C. stationary front
D. occluded front
19. In which layer of the atmosphere do most clouds form?
A. troposphere
B. They form in all layers.
C. stratosphere
D. mesosphere
20. An air mass that forms over the Gulf of Mexico will be:
A. cold and dry
B. cold and humid
C. warm and dry
D. warm and humid
21. What does the letter "H" on a weather map mean?
A. high temperature
B. high winds
C. high humidity
D. high pressure
22. What kind of map would a meteorologist study?
A. a weather map
B. a map of space
C. a geological map
D. a topographic map
23. Identify the type of clouds that usually produce thunderstorms.
A. cirrus clouds
B. lenticular clouds
C. cumulonimbus clouds
D. cumulus clouds
24. Evaporation and condensation are parts of which cycle?
A. the energy cycle
B. Earth's orbit
C. the water cycle
D. the life cycle
25. How does air move when it is heated?
a) It rises and expands
b) It contracts
c) It remains the same
d) It explodes
26. How does air move when it is cooled
a) It expands
b) It sinks to the bottom
c) It remains the same
d) It explodes
27 The greenhouse gas most responsible for global warming is
a) Carbon Dioxide
b) Water vapor
c) Sulfur Oxide
d) Methane
28. What happens when water vapor molecules cool and slow down?
a. condensation
b. evaporation
c. air and water molecules won’t join
d. puddles disappear
29. Which occurs within a high-pressure system?
a. the formation of tornados
b. The formation of hurricanes
c. Large clouds, as air rises.
d. Calm weather, as air sinks.
30. What drives the water cycle?
a. hot air
b. sun’s energy
c. moisture
d. wind
31. Earth’s winds and weather changes are caused by differences in
a. temperature
b. air pressure
c. latitude
d. longitude.
32. Weather is defined as
a. a change in the atmosphere at a location.
b. a change in the conditions on the ground at a particular location.
c. a change in the stratosphere at a particular location.
d. a change in the jet stream at a particular location.
33. At which location will a low-pressure storm most likely form?
a) Near the middle of a cold air mass.
b) On the eastern side of the mountains.
c) Over a dry, flat land area
d) Along a frontal line between different air masses.
34. Thunderstorms are characterized by the following conditions.
a. presence of lightning and thunder.
b. accompanied by strong winds, heavy rain and sometimes snow, hail or no precipitation
at all.
c. brief, intense storms that affect a small area.
d. all of the above conditions characterize thunderstorms.
35. Thunderstorms are produced in the following conditions:
a. rapidly sinking air causes cirrus clouds to build upward into a thunderhead.
b. rapidly rising air causes cirrus clouds to build upward into a thunderhead.
c. rapidly sinking air causes cumulus clouds to build upward into a thunderhead.
d. rapidly rising air causes cumulus clouds to build upward into a thunderhead.
36. The cloud type associated with thunderstorms are
a. cirrus
b. stratus
c. cumulonimbus
d. cirrostratus
37. How does the convection of air produce thunderstorms?
a. By causing warm air to sink and cold air to rise.
b. By causing warm air to rise and cold air to sink.
c. By causing both warm air and cold air to rise.
d. By causing both warm air and cold air to sink.
38. What type of weather forms at a cold front?
a) General overcast sky; rain likely
b) Thunderstorms
c) Super Cells
d) Sunny
39. Sea breezes occur during the ___ and produce winds moving ___.
a. night / out over the water
b. night / in over the land
c. day / out over the water
d. day / in over the land
40. Which best explains how the Coriolis effect influences weather conditions?
a. It causes winds to rotate, forming tornados on Earth.
b. It causes winds to move to the right in the southern hemisphere.
c. It causes winds to turn to the right in the northern hemisphere.
d. It causes winds to follow a straight line path around Earth.
41. Wind moves from _____ to _____ pressure.
a. high; low
b. low; high
42. Jet streams are most common in which latitudes?
a. low
b. middle
c. high
36. Which of the following is a major cause of air pollution?
a. Recycling centers
b. Farming techniques
c. Mining techniques
d. Burning fossil fuels
37. Air pollution can come from which of the following sources?
a. volcanos
b. pollen
c. dust from plowing fields
d. all of the above
39. Which explains why most of the rain that falls comes from the ocean?
a. The majority of evaporation takes place over the ocean.
b. The majority of precipitation takes place over the ocean.
c. Most rivers deposit freshwater into the ocean.
d. Most clouds form near or over the ocean.
41. A sea breeze blows from the ocean toward the shore. Why does this occur?
a. High pressure over the land causes a downdraft to occur.
b. The tide carries the wind to the shore as it moves back and forth.
c. Conduction of heat from the warm water produces wind from the ocean.
d. Air over land heats faster than air over water, which causes convection.
42. Doppler radar shows a vertical rotating column of air with high wind speeds and extremely
low pressure.
Which is most likely occurring?
a. the formation of a hurricane
b. the formation of a tornado
c. approaching warm front
d. approaching snowstorm
EXTRA CREDIT
1. Name the 3 types of clouds
a. _________________________________________________
b. _________________________________________________
c. _________________________________________________
2. What is the freezing point of water?
a. _______ ℉
b. _______ °C
3. Draw a diagram of the water cycle?