WorksheetsWeather
Total questions: 31
Worksheet time: 11mins
Hurricanes form from ...
cold, humid air over land
warm, humid air over the ocean
warm, dry air over land
cold, dry air over the ocean
The layer that has the greatest air pressure is the
troposphere
stratosphere
thermosphere
A rapid moving cold air mass runs into a warm air mass over land. Which of the following may occur?
hurricanes
clouds, rain, lighting, thunder
sunny, clear skies
Which is the correct % of gases in our atmosphere?
Nitrogen 78%; oxygen 21%
Oxygen 78%; nitrogen 21%
Water vapor 21%; nitrogen 1%
Carbon dioxide 78%; argon 1%
Where is the ozone layer found?
troposphere
stratosphere
mesosphere
thermosphere
Which front symbol is this and what direction is it moving?
warm front; moving southeast
warm front; moving northwest
cold front; moving southeast
cold front; moving northwest
The instrument used to measure air pressure is a
thermometer
anemometer
barometer
hygrometer
Isobars are lines that connect areas of equal
temperature
air pressure
Air pressure is lowest (least dense) in which layer?
troposphere
stratosphere
mesosphere
thermosphere
A psychrometer measures
temperature
air pressure
wind direction
humidity
An anemometer measures
air pressure
humidity
wind speed
The common unit for air pressure is
millibars
degrees
percent
Warm fronts may cause all of the following (choose more than 1)...
precipitation
cloudy skies
fair weather
afterwards, it causes warmer, humid weather
As you climb a mountain and altitude increases, the
air pressure increases
air pressure doesn't change
air pressure decreases
Which of the following is used to classify air masses?
size and temperature
humidity and temperature
altitude and air pressure
When the forecast calls for clouds & showers, what air pressure is causing this?
high pressure
low pressure
Which type of precipitation forms ice as water molecules go through convection in cumulonimbus clouds?
rain
hail
sleet
snow
What direction is the cold front moving?
north
west
east
south
What might occur when these air masses meet? (may choose more than 1)
front forms
tornado
hurricane
clear skies
thunderstorms
Which is true of this symbol?
100% cloudy, moderate winds from the NE
100% cloudy, strong winds from the NW
mostly cloudy, moderate winds from the S
mostly cloudy, light winds from the W
Which layer do meteors start to break apart?
troposphere
stratosphere
mesosphere
thermosphere
The ozone layer protects us from...
meteors striking the Earth's surface
too many harmful UV rays
Satellites orbit the Earth in which layer?
troposphere
stratosphere
mesosphere
exosphere
What does 997 represent in this image?
temperature
wind speed
dew point
air pressure
What are the characteristics of a continental polar air mass?
cold and dry
cold and humid
warm and dry
warm and humid
Which front occurs when fast moving cold air pushing a warm air mass up quickly and may result in storms?
warm front
stationary front
cold front
Air masses generally move across the US from ____ to ____ and are pushed by global westerly winds.
east to west
west to east
Which type of precipitation happens when rain freezes on contact with the ground?
sleet
hail
freezing rain
