air & atmosphere
pressure & weather
fronts
earth's systems
tropical cyclones
100

the layer of gasses surrounding earth

the atmosphere

100

what is one condition of the atmosphere at a certain time and place?

the weather

100

what is the boundary between two air masses called?

a front

100

what is the average weather if an area over a long time?

the climate
100

what storm forms over warm tropical oceans?

a tropical cyclone

200

a large body of air with similar humidity and temperature 

air mass

200

what type of air mass has low pressure and often brings clouds?

low-pressure air mass

200

what front happens when warm air moves in?

a warm front

200

what is all of Earth's water called?

the hydrosphere

200

what do tropical cyclones need to form?

warm ocean water

300

the movement of air

what is wind?

300

does high pressure usually bring clear or cloudy weather?

clear weather

300

what happens when cold air moves in?

a cold front

300

what are large movements of ocean water called?

ocean currents

300

do tropical cyclones get stronger over warm or cold water?

warm water

400

what is the movement of air in the atmosphere called?

atmospheric movement

400

does low pressure usually bring clear or cloudy weather?

clear weather

400

which front brings colder air: warm or cold?

a cold front

400

does climate describe short-term or long-term weather?

long-term weather

400

what kind of weather can a tropical cyclone brings?

strong winds and heavy rain

500

wha type of air mass has high pressure and usually brings clear weather?

high-pressure air mass

500

what happens when two air masses meet?

a front will form

500

which front brings warmer air: warm or cold?

a warm front

500

can ocean currents affect climate?

yes

500

what happens when a tropical cyclone moves over water>

it can get stronger and more powerful

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