Climate and weather - Year 6 Flashcards
What is weather?
Weather is the condition of the atmosphere at a certain place and time
What is microclimate?
A microclimate is a small area with different conditions to the general weather.
Who studies weather?
Meterologists
What instrument is used to measure wind speed?
Anenometer
What is climate?
Climate is the average conditions of the atmosphere foe a certain place over a long period of time such as 20 years.
What is aspect?
The direction a place is facing
Where are the instruments of weather kept?
Stevenson screen
What is atmpospheric pressure measured in?
hPa - hectopascals
mb - millibars
What instrument is used to measure precipitation?
Rain gauge
What is the average atmopsheric pressure?
1013mb - at 0m above sea level at 40 latittude and 0 degrees celcius
What are the three different types of rainfall?
Relief (orographic)
Convection
Frontal
What is cloud cover measured in?
1/8ths or ocktas
What is used to measure wind direction?
Weather vane
Why is it colder in Britain than in Singapore?
Singapore is found on the equator
Name different types of precipitation.
Rain
Snow
Drizzle
Hail
Fog
Sleet
Dew
Differentiate between rural and urban areas.
Urban - towns and cities
Rural - country side
What is a rainshadow?
The area on the leeward side of the mountain that receives very little rainfall
Name factors that will influence microclimate.
Physical features
Buildings - wind breaks and wind channels
Aspect
Shelter
Surface colour
What is a cloud?
Water vapour molecules that have cooled and condensed to form water droplets
Which cloud is made of ice crystals?
Cirrus
Why is the city warmer than the country side?
Less vegetation
Artificial surfaces
Buildings trap heat
Less water sources
More reflection between buildings
Factories give off heat
Artificial sources of heat
What is a wind break?
Trees block the wind from blowing over a field
What instrument is used to measure cloud cover?
Mirror
Which air mass is responsible for bringing warm dry air to Britain?
Tropical continental
Name the THREE main lines of latitude that form the tropics.
Tropic of Cancer
Equator
Tropic of Capricorn
what is the latitudinal position of Britain?
50 to 60 degrees north
Why is the west side of the UK wetter than the east?
Rain shadow in the east
Orographic rain in the west
What colour absorbs heat best?
Dark colours
What kind of rainfall do you get in summer?
Convectional
What is another name for relief rainfall?
Orographic rainfall
What is precipitation measured in?
mm
Name the instrument used to measure atmospheric pressure?
Barometer
From which direction do the prevailing winds in the UK blow?
South west
What happens when a warm air mass rises over a cold air mass?
You get frontal rain
Where is the best place to place a stevenson screen?
On a natural surface
1m off of the ground
At least 10m from any building
The door has to face north