F3 - SEM1 - What is Weather? - 2.1 Flashcards

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1
Q

Which months does the typhoon season of Hong Kong falls?

2.1 What is Weather

A

July to September

Which months does the typhoon season of Hong Kong falls?

2.1 What is weather

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2
Q

What is Weather?

2.1 What is Weather

A

condition of atmosphere of a place over a short period of time

What is weather?

2.1 What is Weather

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3
Q

What are 6 Weather elements?

2.1 What is Weather

A
  • Temperature
  • Precipitation
  • Air pressure
  • Wind
  • Relative humidity
  • Cloud amount

What are 6 weather elements?

2.1 What is Weather

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4
Q

What is Temperature?

2.1 What is Weather

A
  • how hot or cold the air is
  • measured in degrees Celsius (oC)

What is temperature?

2.1 What is Weather

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5
Q

What is Precipitation?

2.1 What is Weather

A
  • any form of water that falls from the sky
  • e.g., rain, snow and hail
  • measured in millimetres (mm)

What is precipitation?

2.1 What is Weather

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6
Q

What is Air pressure?

2.1 What is Weather

A
  • weight of air pressing down on the the ground
  • measured in hectopascal (hPa)

What is air pressure?

2.1 What is Weather

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7
Q

What is Wind?

2.1 What is Weather

A
  • movement of air from high-pressure areas to low-pressure areas
  • further divided into Wind direction and Wind speed

what is wind?

2.1 What is Weather

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8
Q

What is Wind direction?

2.1 What is Weather

A
  • direction from which the wind blows
  • e.g. northeast, southeast

what is wind direction?

2.1 What is Weather

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9
Q

What is Wind speed?

2.1 What is Weather

A
  • how fast the air moves
  • measured in metres per second (m/s)

what is wind speed?

2.1 What is Weather

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10
Q

What is Relative humidity?

2.1 What is Weather

A
  • amount of water vapour in the air
  • expressed as a percentage (%)

what is relative humidity?

2.1 What is Weather

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11
Q

What is Cloud amount?

2.1 What is Weather

A
  • fraction of the sky covered by clouds
  • expressed as a percentage (%)

what is cloud amount?

2.1 What is Weather

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12
Q

What is the function of weather chart?

2.1 What is Weather

A
  • provide useful information about weather conditions over a certain area at a particular time
  • display the weather elements of an area using symbols

what is weather chart?

2.1 What is Weather

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13
Q

What does arrows in weather chart represent?

2.1 What is Weather

A

wind
the orientation of arrow indicates wind direction
the number and size of feather indicate wind speed

what does arrows in weather chart represent?

2.1 What is Weather

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14
Q

What does number in weather chart represent?

2.1 What is Weather

A

temperature

what does number in weather chart represent?

2.1 What is Weather

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15
Q

What does red symbol in weather chart represent?

A

the form of precipitation

what does red symbol in weather chart represent?

2.1 What is Weather

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16
Q

What isoabar in weather chart represent?

2.1 What is Weather

A

joined places with the same air pressure by lines

what does isobar in weather chart represent?

2.1 What is Weather