Revision Flashcards

1
Q

Weather

A

The day to day changes in the atmosphere

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2
Q

Climate

A

The average weather conditions in the atmosphere over a period of 30 years

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3
Q

Temperature

A

How hot or cold something is

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4
Q

Precipitation

A

Water falling from the sky, it could fall as rain, hail, sleet or snow

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5
Q

Wind speed

A

How fast the wind is blowing

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6
Q

Wind direction

A

The direction from the wind blows FROM

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7
Q

Air pressure

A

The weight of air pressing

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8
Q

Air mass

A

A huge block of air moving over the earth; it can be warm or cold, wet or dry, depending on where it came from

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9
Q

Atmosphere

A

The layer of gas around the earth; we call it the lower part of it air

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10
Q

Barometer

A

An instrument for measuring air pressure

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11
Q

Cloud cover

A

How much of the sky is hidden by cloud; given in eighths (okras)

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12
Q

Meteorologist

A

A person who studies weather and climate

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13
Q

Wind vane

A

An instrument for showing the wind direction

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14
Q

Troposphere

A

The lower layer of the atmosphere where our weather can be found

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15
Q

Degrees Celsius

A

The unit of measurement for temperature

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16
Q

MM

A

The unit of measurement used for precipitation

17
Q

Compass directions

A

The unit of measurement for wind direction

18
Q

Knots/MPH

A

The unit of measurement for wind speed

19
Q

On a climate graph, what two aspects of the weather are shown?

A

Temperature and rainfall

20
Q

On a climate graph, how is temperature shown?

A

As a line graph (in red)

21
Q

On a climate graph, how is rainfall shown?

A

As a bar chart (in blue)

22
Q

Clouds

A

Made up of very small water droplets which are suspended in the air

23
Q

Hydrological cycle

A

Water cycle

24
Q

Evaporation

A

The process where water changes from a liquid to water vapour

25
Condensation
The process by which cooling water vapour turns into a liquid
26
Surface run off
The movement of water over the land, possibly as a river
27
Transpiration
Plants giving off water vapour from their leaves
28
Groundwater
Water that has sunk into the rocks below
29
Cirrus clouds
High level clouds made from ice crystals
30
Cumulus clouds
Medium level clouds which bring fair weather
31
Cumulonimbus clouds
Rain bearing clouds
32
Stratus clouds
Low level clouds that cover the sky