Science CH4 Flashcards

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0
Q

Evaporation

A

The process which molecules of liquid water escape into the air after becoming water vapor

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1
Q

Water Cycle

A

The movement of water through earths systems, powered by the suns energy

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2
Q

Condensation

A

The process by which water vapor becomes liquid water.

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3
Q

Humidity

A

A measure of the amount of water vapor in the air

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4
Q

Relative Humidity

A

The percentage of water vapor that in the air

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5
Q

Psychrometer

A

An instrument used to measure relative humidity

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6
Q

Dew Point

A

The temperature at which condensation begins

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7
Q

Cirrus

A

Wispy, feathery clouds

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8
Q

Cumulus

A

Clouds that look like cotton

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9
Q

Stratus

A

Clouds that form in flat layers

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10
Q

Precipitation

A

Any form of water that falls from the clouds and reaches earths surface

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11
Q

Rain Gauge

A

An open-ended tube that collects rain

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12
Q

Flood

A

An overflowing of water in a normally dry area.

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13
Q

Drought

A

A long period of scarce rainfall or dry weather.

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14
Q

Air mass

A

Huge body of air in the lowest atmosphere.

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15
Q

Tropical

A

Warm air masses, low air pressure

16
Q

Polar

A

Cold air masses, high air pressure

17
Q

Maritime

A

Air masses that form over oceans.

18
Q

Continental

A

Air masses that form over land

19
Q

Jet streams

A

Bands of high speed winds about 10 kilometers above earths surface

20
Q

Front

A

Boundary where the air masses meet.

21
Q

Occluded

A

The warm air mass is cut off from the ground

22
Q

Cyclone

A

The swirling center of low air pressure

23
Q

Anticyclones

A

High pressure centers of dry air.

24
Q

Storm

A

Violent disturbance in the atmosphere

25
Q

Thunderstorms

A

Small storm accompanied by precipitation, thunder, and lightening

26
Q

Lightening

A

Sudden spark or electrical discharge.

27
Q

Hurricane

A

A tropical cyclone

28
Q

Storm Surge

A

A dome of water that sweeps across the coast

29
Q

Tornado

A

Rapidly whirling funnel shaped cloud

30
Q

Evacuate

A

Move away temporarily

31
Q

Meteorologists

A

Scientists who study and try to predicts weather

32
Q

Isobars

A

Lines joining places on the map that have the same air pressure

33
Q

isotherms

A

Lines joining places that have the same temperature