Air Pressure Matters
Which type of air pressure do clear skies indicate?
A. high pressure
B. low pressure
C. zero pressure
D. medium pressure
A. high pressure
What two factors are needed to measure wind?
A. direction and speed
B. temperature and speed
C. direction and temperature
A. directon and speed
Meteoroligists forecast the high temperature for the day to be 90 degrees F. At which time would the temperature be the closest to 90 degrees F?
A. 6:00 a.m.
B. 2:00 p.m.
C. 7:00 p.m.
B. 2:00 p.m.
What type of weather is usually associated with a cumulus cloud?
A. fair
B. humid
C. foggy
D. stormy
A. fair
Westerlies winds moving across the deserts of the United States toward the East Coast most likely bring which type of conditions to North Carolina?
A. cool and dry
B. hot and dry
C. cloudy and humid
D. clear and humid
B. hot and dry
The weather forecast indicates that a warm front will be moving into the area in the next 24 hours. Which type of weather will most likely result?
A.clear skies and cold temperatures
B. clear skies and hot temperatures
C.cloudy skies and rainy weather
D.heavy snow and ice
C. cloudy skies and rainy weather
Throughout the year, there is usually some wind blowing at the beach during the day and night. What is the cause of these winds?
A. air flowing down mountains to the ocean
B. differences in the humidity over land and ocean
C. differences in the temperature of land and ocean
D. air flowing from the upper parts of the atmosphere
C. differences in the temperature of land and ocean
Which best explains why a nearby body of water tends to make local temperatures milder?
A. Water constantly rleases heat into the air.
B. Water gains and loses heat more slowly than land.
C. Some water stays liquid when everything else is frozen.
D. When water is frozen it protects the nearby area from wind.
B. Water gains and loses heat more slowly than land.
Today the weather is rainy and warm. The weather forecast is that it will be cold during the night. Which will most likely be observed while the front moves through the area?
A. an increase in humidity
B. dry and clear conditions
C. winds blowing from the south
D. an increase in thunderstorms
D. an increase in thunderstorms
Which best explains what type of weather the Gulf Stream usually brings to North Carolina?
A. increased wind speed
B. increased air pressure
C. increased temperature
D. increased evaporation
C. increased temperature
Which type of weather is most often produced by a low air pressure system?
A. cold
B. hot
C. rainy
D. sunny
C. rainy
Which describes how wind speed is affected by weather?
A. Rainy weather causes greater wind speeds.
B. Warmer weather causes greater wind speeds.
C. Differences in air pressure cause greater wind speeds.
D. Small temperature changes cause greater wind speeds.
C. Differences in air pressure cause greater wind speeds.
Dexter saw lightning. Which of the following cloud types was most likely present?
A. cirrus
B.cumulus
C. cumulonimbus
C. cumulonimbus
Which do nimbostratus clouds most often produce?
A. fog
B. hail
C. rain
D. wind
C. rain
What is the cause of the rising surface temperatures of the Pacific Ocean, drought in the western US, and flooding on the Pacific coast of South America? (think of a boy playing sports outside in the summer)
A. the Gulf Stream
B. the jet stream
C. La Nina
D. El Nino
D. El Nino
Which type of air pressure causes a storm to form on a spring day?
A. low pressure, causing air to rise, cool, and form water droplets
B. high pressure, causing air to rise, cool, and form water droplets
C. low pressure, causing air to sind and bring water droplets to the ground
A. low pressure, causing air to rise, cool, and form water droplets
How does a sea breeze affect the weather?
A. It decreases land temperatures near the ocean.
B. It increases land temperatures near the ocean.
C. It decreases rain formation over land near the ocean.
D. It increases the cloud coverage over the land near the ocean.
A. It decreases land temperatures near the ocean.
What is the major source of energy for tropical storms?
A. frozen river beds
B. warm ocean waters
C. cold and drafty waters
B. warm ocean waters
Why is it important to know the different types of clouds?
A. clouds can indicate the time of day it is
B. clouds can indicate the type of weather that will occur
C. clouds can indicate the temperature of different layers of the atmosphere
C. clouds can indicate the type of weather that will occur
Why do most weather systems in the United States move from west to east?
A.The West Coast is at a higher elevation than the East Coast, and weather systems go downhill.
B.Prevailing winds carry weather systems to the east across most of the United States.
C.The West Coast is warmer, and weather systems move from warmer to colder places.
D.Mountain ranges prevent the movement of weather systems from east to west.
B.Prevailing winds carry weather systems to the east across most of the United States.
Which type of weather most likely occurs in a high pressure area?
A. clear
B. foggy
C. rainy
D. snowy
A. clear
Which has the greatest effect on wind speed?
A. precipitation
B. cloud cover
C. wind direction
D. air pressure
D. air pressure
Global atmospheric patterns are responsible for most local weather. Which causes these patterns to exist?
A.mountain ranges
B.greenhouse gases
C.holes in the ozone layer
D.unequal heating of Earth
D.unequal heating of Earth
When tropical air masses move into North Carolina, which most likely occurs?
A. an increase in temperature
B. an increase in precipitation
C. an increase in atmospheric pressure
D. an increas in the number of cirrus clouds
A. an increase in temperature
How does the jet stream affect weather conditions around the world?
A. The strong wind current of the jet stream pushes weather systems around the world.
B. The weak wind current of the jet stream redirects weather systems around the world.
C. The strong wind current of the jet stream prevents weather systems from moving around the world.
A. The strong wind current of the jet stream pushes weather systems around the world.