Unit 8.3-8.4 Vocabulary Flashcards

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1
Q

Water cycle

A

The continuous movement of water on, above, and below the surface of the earth

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2
Q

La Niña

A

A periodic change where below average ocean temps occur in the eastern Pacific Ocean

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3
Q

Continental polar

A

Air mass that forms over land near the poles and has cool, dry air

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4
Q

Maritime tropical

A

Air mass that forms over water near the tropics and brings warm, wet air

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5
Q

Maritime polar

A

Air mass that forms over water near the poles and brings wet, cold air

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6
Q

Meteorology

A

The study of weather and earths atmosphere

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7
Q

Seasons

A

Result from the yearly revolution of the earth around the sun as well as from the tilt of earths axis

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8
Q

Isobars

A

Lines on a weather map that are closed loops and connect areas of equal pressure

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9
Q

Atmosphere

A

The mixture of nitrogen, oxygen, and other gases that surround the earth

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10
Q

Cold front

A

A fast moving cold air mass collides with a warm air mass pushing the mass air up, forming clouds, storms, and thunderstorms

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11
Q

Stationary front

A

Where a warm air mass and a cold air mass meet and neither have the energy to move the other out, clouds often form and may bring precipitation for many days

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12
Q

Precipitation

A

Water, in a solid or liquid form, that falls from the air to the earth, such as rain, snow, sleet, or hail

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13
Q

Barometer

A

A tool that measures air pressure in millibars

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14
Q

Anemometer

A

A tool that measures wind speed

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15
Q

Sling psychrometer

A

A tool that measures relative humidity

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16
Q

Troposphere

A

The layer of earths atmosphere in which we live. As u move up through this layer of the atmosphere, wind speed increases, but temp and air pressure decrease

17
Q

Condensation

A

The process by which gas becomes a liquid such as fog,dew, and clouds

18
Q

Storm surge

A

A local rise in sea level near the shore that is caused by strong winds from a storm, such as a hurricane. It is the most destructive part of a hurricane

19
Q

Flash flooding

A

Flooding caused by runoff from heavy rain due to strong thunderstorms

20
Q

Evaporation

A

The process by which liquid near the surface becomes a gas such as water evaporating and becoming water vapor

21
Q

Tornado

A

A small spinning column of air that has high wind speeds and that touches the ground

22
Q

Weather

A

The short term state of the atmosphere at any given time or place

23
Q

Jet stream

A

A narrow band of strong, fast moving winds high in the upper troposphere traveling west to east

24
Q

Continental tropic

A

Air mass that forms over land near the tropics and had dry, warm air

25
Q

Él Nino

A

A periodic change warmer then usual ocean water across the pacific

26
Q

Hurricane

A

A large spinning tropical weather storm with wind speeds of at least 119 km/hour

27
Q

Weather forecasting

A

The analysis of scientific data to predict future weather conditions

28
Q

Weather front

A

A boundary separating 2 masses of air of different densities, these air masses collide and don’t mix

29
Q

Warm front

A

A slow moving warm air mass moves over a slow moving cold air mass the warm air moves over the cold air mass, this causes clouds to form bringing drizzly rain showers and fog

30
Q

Occluded front

A

A warm air mass is trapped between two cold air masses, the cold air forces the warm air up creating clouds, this can lead to cold temperatures rain and snow

31
Q

Air mass

A

A large body of air that has similar temperatures and moisture throughout

32
Q

Barometric pressure

A

The pressure caused by the weight of the atmosphere

33
Q

Relative humidity

A

The amount of moisture in the air compared to the maximum moisture that air can hold at a given temperature