F3 - SEM1 - What is Weather? - 2.1

Question 1

Which months does the typhoon season of Hong Kong falls?

2.1 What is Weather

Answer 1

July to September

Which months does the typhoon season of Hong Kong falls?

2.1 What is weather

Question 2

What is Weather?

2.1 What is Weather

Answer 2

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

What is weather?

2.1 What is Weather

Question 3

What are 6 Weather elements?

2.1 What is Weather

Answer 3

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

What are 6 weather elements?

2.1 What is Weather

Question 4

What is Temperature?

2.1 What is Weather

Answer 4

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

What is temperature?

2.1 What is Weather

Question 5

What is Precipitation?

2.1 What is Weather

Answer 5

• 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

Question 6

What is Air pressure?

2.1 What is Weather

Answer 6

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

What is air pressure?

2.1 What is Weather

Question 7

What is Wind?

2.1 What is Weather

Answer 7

• 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

Question 8

What is Wind direction?

2.1 What is Weather

Answer 8

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

what is wind direction?

2.1 What is Weather

Question 9

What is Wind speed?

2.1 What is Weather

Answer 9

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

what is wind speed?

2.1 What is Weather

Question 10

What is Relative humidity?

2.1 What is Weather

Answer 10

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

what is relative humidity?

2.1 What is Weather

Question 11

What is Cloud amount?

2.1 What is Weather

Answer 11

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

what is cloud amount?

2.1 What is Weather

Question 12

What is the function of weather chart?

2.1 What is Weather

Answer 12

• 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

Question 13

What does arrows in weather chart represent?

2.1 What is Weather

Answer 13

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

Question 14

What does number in weather chart represent?

2.1 What is Weather

Answer 14

temperature

what does number in weather chart represent?

2.1 What is Weather

Question 15

What does red symbol in weather chart represent?

Answer 15

the form of precipitation

what does red symbol in weather chart represent?

2.1 What is Weather

Question 16

What isoabar in weather chart represent?

2.1 What is Weather

Answer 16

joined places with the same air pressure by lines

what does isobar in weather chart represent?

2.1 What is Weather