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Global hazard revision

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  • Which of these is not a physical cause of the Somerset Levels floods?
    Prolonged heavy rainfall
    Rivers not being dredged
    Saturated soil
    High tides
  • What are the winds called that blow from 30 degrees north towards the equator?
    trade winds
  • Name a factor that affects the risk that hazards pose
    Wealth, population, location, frequency
  • Where do tectonic hazards occur (mostly)?
    On plate boundaries
  • What type of cliate is found where the Ferrel cell meets the Polar cell? (e.g. UK)
    mild and wet
  • Which plate boundary only has earthquakes?
    Collision or conservative
  • How many people died in the 2015 Nepal Earthquake?
    9000
  • Which of these is the odd one out and why?
    Tornado
    Cyclone
    Hurricane
    Typhoon
  • How many people died in Typhoon Haiyan?
    63 million
    6300
    630
    63
  • Name the 4 layers of the Earth
    Crust, mantle, outer core, inner core
  • Why is rising air associated with rainfall?
    Air rises, cools, condenses, forming clouds that lead to rainfall
  • A wall of water that hits land as the tropical storm hits is a...
    Storm surge
  • Why does air rise at the equator?
    Because it is hot and less dense
  • Which plate boundary involves an oceanic plate subducting beneath a continental plate?
    Destructive
  • 30 degrees north and south of the equator you find bands of ____ pressure
    high
  • What does extreme weather mean?
    Weather that is abnormal or different from usual
  • What temperature must the sea be for tropical storms to form?
    27 degrees
  • Give a way buildings can be earthquake-proofed
    Shock absorbers, deep foundations, window shutters, moving weights
  • How many homes were flooded during the Somerset levels?
    6
    6 million
    600
    60
  • What does PPPM stand for?
    Prediction, Protection, Planning and Monitoring
  • At the equator, there is _____ air
    risng
  • Rising air leads to ____ coniditons
    Dry
    Wet
  • Why were mangrove forests planted after Typhoon Haiyan?
    To provide a barrier after future storm surges
  • Why do tropical storms spin?
    Trade winds and rotation of the Earth (Coriolis effect)
  • Name an illness caused by damaged and polluted water supplies from Typhoon Haiyan
    Ebola
    Covid-19
    Dysentery
    AIDS
  • What's the difference between an earthquake's focus and epicentre?
    Focus is the point in the Earth's crust where the earthquake occurs, epicentre is the point on the surface
  • What is a natural hazard?
    An extreme natural event that threatens people and human life
  • How much damage was done in the Somerset Levels floods?
    £100m
    £1m
    £10m
    £1 billion
  • What happens when a tropical storm hits land?
    Loses energy because there is no water to draw energy from
  • Name the 3 things responsible for tectonic plates moving
    Convection currents, ridge push, slab pull
  • What kind of weather is associated with high pressure?
    Dry
  • Why is it cold at the poles?
    Sun's energy more spread out
  • Name the extreme cold event that hit the UK in 2018
    Beast from the East
  • How can people protect their themselves from storm surges?
    Board up the windows
  • Name the two types of plates
    Oceanic and continental
  • Name two weather conditions associated with tropical storms
    Strong winds heavy rain
  • Why is it hot at the equator?
    Sun's energy is more concentrated
  • Why is it dry at the poles?
    Sinking air and high pressure
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