Tectonic plates Flashcards
Revision
What is thought to move the plates around?
The convection currents in the earths mantle
Which part of the earth is broken down in plates?
Crust
At which type of plate boundary are fold mountains created?
Destructive
What areas are earthquakes formed in?
Areas where moving plates are temporarily stuck together
At which type of plate boundary do you only get earthquakes?
Conservative
Which pair of words correctly describes the point at which the earthquake occurs and the point on the Earth’s surface directly above where it occured?
Focus and epicentre
What is the name given to the places where the plates meet?
Plate boundaries
At which type of plate boundary is one plate pushed down into the mantle?
Destructive
What are the 2 types of natural hazard?
Geological and natural
Give 3 examples of geological hazards
Earthquake, volcanic eruption, avalanche
Give 3 examples of natural hazards
Tropical storms, hurricanes, volcanoes
What are the 4 main factors affecting hazard risk?
Urbanisation, poverty, farming, climate change
What is the definition of a natural hazard
A natural hazard is a natural event such as an earthquake, volcanic eruption, tropical storm or flood that poses risk of death, injury or damage to people and property
What are primary affects caused by?
Primary affects are caused by the ground shaking and can include deaths, injuries and damage to properties
What are secondary affects caused by?
Secondary affects are the result of primary affects such as tsunamis and homelessness
