WorksheetsChapter 2: Air Pressure & Winds Review
Total questions: 55
Worksheet time: 30mins
In which directions is air pressure exerted?
Only upwards
Only downwards
In all directions
Only sideways
Why is air pressure important in weather forecasting?
It helps predict earthquakes
It tells us about temperature changes
It can indicate weather changes
It measures humidity
What unit do meteorologists typically use to record air pressure?
Pascals (Pa)
Millibars (mb)
Atmospheres (atm)
Torr
What is the standard air pressure at sea level in millibars?
1000.0 mb
1013.2 mb
1020.5 mb
990.0 mb
What tool is used to measure air pressure?
Thermometer
Anemometer
Barometer
Hygrometer
What happens to the mercury level in a barometer when air pressure increases?
The mercury level drops
The mercury level rises
The mercury level stays the same
The mercury level fluctuates
What is the ultimate cause of wind?
The Moon
The Sun
The Stars
The Ocean
How is wind created?
By vertical differences in air pressure
By horizontal differences in air pressure
By temperature differences in the ocean
By the rotation of the Earth
In which direction does air flow to create wind?
From low to high air pressure
From high to low air pressure
From east to west
From north to south
What causes differences in wind speed?
Temperature differences
Pressure differences or the Pressure gradient
Humidity levels
Altitude changes
What are isobars?
Lines connecting areas of equal temperature
Lines connecting areas of equal humidity
Lines connecting areas of equal pressure
Lines connecting areas of equal altitude
What does a steep pressure gradient indicate?
Low wind speeds
Very high winds
Constant wind speeds
No wind
What is the Coriolis Effect?
A pattern of deflection of fluids on Earth's surface caused by the rotation of Earth.
A pattern of deflection of fluids on Earth's surface caused by the moon.
A pattern of deflection of fluids on Earth's surface caused by the sun.
A pattern of deflection of fluids on Earth's surface caused by gravity.
In which direction are fluids deflected in the Northern Hemisphere due to the Coriolis Effect?
To the left
To the right
Upward
Downward
How does the Coriolis Effect influence wind direction in the Southern Hemisphere?
Deflected to the right
Deflected to the left
No deflection
Deflected upward
What effect does friction have on wind speed near Earth's surface?
Increases wind speed
Slows wind speed
Has no effect
Changes wind direction
What are jet streams?
Slow moving rivers of air in the troposphere
Fast moving rivers of air in the troposphere
Stationary air masses in the stratosphere
Circular air currents in the mesosphere
What happens to the pressure as you move inward in a cyclone?
Pressure increases
Pressure decreases
Pressure remains constant
Pressure fluctuates
What is the net flow of air in a cyclone?
Outward
Inward
Upward
Downward
What happens to the pressure as you move inward in an anticyclone?
Pressure decreases
Pressure increases
Pressure remains constant
Pressure fluctuates
In the Southern Hemisphere, which direction do winds rotate around a low-pressure center?
Clockwise (CW)
Counterclockwise (CCW)
Upwards
Downwards
What is the direction of wind rotation around a high-pressure center in the Northern Hemisphere?
Clockwise (CW)
Counterclockwise (CCW)
To the left
To the right
What type of weather is associated with a low pressure center?
Clear skies, nice weather
Unstable conditions, stormy weather
Hot and dry weather
Cold and snowy weather
What type of weather is associated with a high pressure center?
Unstable conditions, stormy weather
Clear skies, nice weather
Hot and humid weather
Rainy and windy weather
What is a convection cell?
A system where warm, dense air sinks and cool, less dense air rises
A system where cool, more dense air sinks and warm, less dense air rises
A system where air flows from the equator to the poles
A system where air remains stationary
How does air generally flow in convection cells on Earth?
From the equator to the poles and back again
From the poles to the equator and back again
In a circular motion around the equator
In a straight line from east to west
What is the direction of Trade Winds?
Blow from the west 30° - 60° N/S
Blow from the east 0° - 30° N/S
Blow from the north 60° - 90° N/S
Blow from the south 30° - 60° N/S
What is the direction of Westerlies?
Blow from the east 0° - 30° N/S
Blow from the west 30° - 60° N/S
Blow from the north 60° - 90° N/S
Blow from the south 0° - 30° N/S
What is the direction of the Polar Easterlies?
Blow from the east 60 - 90° N/S
Blow from the west 30 - 60° N/S
Blow from the north 0 - 30° N/S
Blow from the south 0 - 30° N/S
What causes the seasonal changes in wind direction known as monsoons?
Changes in ocean currents
Seasonal temperature differences between land and ocean
Movement of tectonic plates
Changes in Earth's orbit
What causes small scale local winds? CLICK ALL THAT APPLY
Tropical Rain Forests
Mountain Ranges
Large Bodies of Water
How buildings are arranged in a city
During the day, which area has a low pressure in a sea breeze?
Over the water
Over the land
In the mountains
In the valleys
When does a sea breeze start developing and become strongest?
Before noon and strongest in the afternoon
At night and strongest in the morning
In the morning and strongest at noon
In the evening and strongest at midnight
In which direction does the breeze blow during the day in a sea breeze?
From the land to the water
From the water to the land
From the mountains to the valleys
From the valleys to the mountains
What happens to the land during the NIGHT in terms of temperature compared to water?
Land heats up more quickly than water
Land cools off more quickly than water
Land and water cool at the same rate
Water cools off more quickly than land
Where is the high-pressure area located at night during a land breeze?
Over the water
Over the land
In the sky
Under the sea
In which direction does the breeze blow during a land breeze at night?
From the water to the land
From the land to the water
From the north to the south
From the east to the west
What is a characteristic of a valley breeze?
Winds flow down the valley during the day.
Mountain slopes cool off faster than valleys.
Winds flow up the valley during the day.
More dominant in cooler months.
What happens to mountain slopes during a valley breeze?
They cool off faster than valleys.
They heat up faster than valleys.
They remain at a constant temperature.
They become areas of high pressure.
What direction do winds flow during a mountain breeze?
Up the valley
Down into the valley
Across the valley
Around the valley
What instrument is used to measure wind speed?
Wind vane
Anemometer
Barometer
Thermometer
What does a north wind indicate?
Wind is blowing from the south
Wind is blowing from the east
Wind is blowing from the north
Wind is blowing from the west
Which instrument is used to determine wind direction?
Anemometer
Wind vane
Hygrometer
Compass
What are prevailing winds?
Winds that change direction frequently
Winds that consistently blow from one direction to another
Winds that blow only during storms
Winds that are unpredictable
In which direction do the United States winds generally move?
North to South
South to North
East to West
West to East
What is the primary use of wind socks?
To measure temperature
To show wind speed and direction
To indicate humidity levels
To forecast rain
Where are wind socks often used?
In schools
At airports
In hospitals
At shopping malls
What wind speed does a fully extended wind sock indicate?
3 knots
6 knots
12 knots
15 knots
What is the frequency of the El Nino (ENSO Cycle)?
Every 1-2 years
Every 3-7 years
Every 10-15 years
Every 20-25 years
What effect does El Nino have on marine life on the East coast?
Increase in phytoplankton
Decrease in phytoplankton
No effect on phytoplankton
Increase in fish population
What type of weather does El Nino cause in the southwestern United States?
Drier weather
Wetter weather
Colder weather
No change in weather
What type of weather does El Nino cause in the northern United States?
Cooler and wetter weather
Drier and warmer weather
Snowy weather
No change in weather
Click the location where the air pressure is greatest!
Air moves from _______ pressure to ________ pressure.
high to low
low to high
high to high
low to low
What is the primary factor that causes air pressure to change?
Temperature variations
Humidity levels
Wind speed
Cloud cover
