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What is weather? - PowerPoint PPT Presentation


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What is weather?. The conditions outside. What is climate?. The weather over a period of time. What is an isotherm?. A line that joins equal points of temperature. What is an isobar?. A line that joins equal points of pressure. What is meant by the term relief?. The height of the land.

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Presentation Transcript
slide1

What is weather?

The conditions outside.

What is climate?

The weather over a period of time.

What is an isotherm?

A line that joins equal points of temperature.

slide2

What is an isobar?

A line that joins equal points of pressure.

What is meant by the term relief?

The height of the land.

What is meant by a

Albedo?

Some surfaces reflect more heat than others.

slide3

An instrument used to measure heat...

Thermometer.

An instrument used to measure pressure...

Barometer.

A low pressure weather system...

Depression.

slide4

A high pressure weather system...

Anti-cyclone.

Heating is least efficient here...

Poles.

Heating is most efficient here...

Equator.

slide5

Shown by blue triangles...

Cold front.

Shown by red semi-circles...

Warm front.

A combination of triangles and semi-circles...

Occluded front.

slide6

High wispy clouds...

Cirrus.

Blanket-type clouds...

Stratus.

Towering clouds...

Cumulonimbus.

slide7

Rainfall at the warm front of a depression...

Continuous.

Weather at the cold front of a depression.

Thunder, lightning and rain.

Between the warm and cold fronts of a depression...

Warm sector.

slide8

Weather associated with winter anti-cyclones...

Frost, fog and mist.

A problem associated with summer anti-cyclones...

Drought.

Land heats quicker than the sea...

Continentality

slide9

A tropical storm in the North Atlantic...

Hurricane.

A tropical storm in South-East Asia...

Cyclone.

A tropical storm in Japan...

Typhoon.

slide10

A greenhouse gas...

Carbon Dioxide.

Coal, oil and natural gas...

Fossil Fuels.

To replant trees...

Reforestation.