Meteorology Exam 1 Questions and
Answers Latest Version Graded A+
What is the primary source of energy driving Earth's weather systems?
✔✔ The Sun
How does air pressure change with altitude?
✔✔ It decreases as altitude increases
What is the main gas responsible for absorbing ultraviolet radiation in the atmosphere?
✔✔ Ozone
Why do winds curve rather than move in a straight line?
✔✔ Due to the Coriolis effect
What type of front forms when a warm air mass moves over a cold air mass?
✔✔ A warm front
1
,What happens to relative humidity when air temperature increases?
✔✔ It decreases if moisture content remains constant
What cloud type is associated with thunderstorms?
✔✔ Cumulonimbus
Why does fog form near the ground?
✔✔ Due to cooling of the air to its dew point
What instrument is used to measure atmospheric pressure?
✔✔ A barometer
What causes the formation of hurricanes?
✔✔ Warm ocean waters and low pressure systems
How does air move in a high-pressure system?
✔✔ It sinks and moves outward
2
, What is the boundary between two air masses called?
✔✔ A front
Why do sea breezes occur?
✔✔ Because land heats up faster than water during the day
What is the primary factor affecting wind speed?
✔✔ The pressure gradient force
What is the main cause of precipitation?
✔✔ Cooling of moist air leading to condensation
Why do temperatures drop at night?
✔✔ Because the Earth's surface loses heat through radiation
What is the jet stream?
✔✔ A fast-moving current of air in the upper atmosphere
3
Answers Latest Version Graded A+
What is the primary source of energy driving Earth's weather systems?
✔✔ The Sun
How does air pressure change with altitude?
✔✔ It decreases as altitude increases
What is the main gas responsible for absorbing ultraviolet radiation in the atmosphere?
✔✔ Ozone
Why do winds curve rather than move in a straight line?
✔✔ Due to the Coriolis effect
What type of front forms when a warm air mass moves over a cold air mass?
✔✔ A warm front
1
,What happens to relative humidity when air temperature increases?
✔✔ It decreases if moisture content remains constant
What cloud type is associated with thunderstorms?
✔✔ Cumulonimbus
Why does fog form near the ground?
✔✔ Due to cooling of the air to its dew point
What instrument is used to measure atmospheric pressure?
✔✔ A barometer
What causes the formation of hurricanes?
✔✔ Warm ocean waters and low pressure systems
How does air move in a high-pressure system?
✔✔ It sinks and moves outward
2
, What is the boundary between two air masses called?
✔✔ A front
Why do sea breezes occur?
✔✔ Because land heats up faster than water during the day
What is the primary factor affecting wind speed?
✔✔ The pressure gradient force
What is the main cause of precipitation?
✔✔ Cooling of moist air leading to condensation
Why do temperatures drop at night?
✔✔ Because the Earth's surface loses heat through radiation
What is the jet stream?
✔✔ A fast-moving current of air in the upper atmosphere
3
