Atmospheric Systems

If a warm air mass formed over the Gulf of Mexico, weather conditions nearby would be

• warmer and drier

• warmer and more humid

• colder and drier

• colder and more humid

Warm air is __________ than cold air.

• more dense

• less dense

Why does the world maintain fairly constant average temperatures?

• Earth's rotation

• motion of air and water distributes heat

• latitude and longitude

• Earth's revolution

What type of weather is associated with a warm front?

• intense thunderstorms followed by colder weather

• several days of rain followed by warm, humid weather

• Happy weather

• rain followed by low humidity

What could cause an increase in hurricane activity in the Atlantic Ocean?

• increased winds

• increased water temperatures

• the Coriolis Effect

• more trade winds than normal

Why do hurricanes form near the tropics?

• The tropics have warm, moist air

• the trade winds are low

• The deep ocean currents are weak

• hurricanes don't form in the tropics

What helps a hurricane grow in intensity?

• cold waters

• warm waters

• slow ocean currents

• strong ocean currents

Compared to low pressure, high pressure air molecules are

• close together

• far apart

• same as low pressure

• don't change

High pressure areas usually have

• clear skies

• cloudy skies

• rain

• perfect weather for everyone

What type of weather is associated with a cold front?

• thunderstorms

• light showers

• high winds only

• only snow