Geography revision Flashcards
What are natural hazards
Natural hazards are naturally occurring physical phenomenas caused either by rapid or slow onset events, which can be geophysical,hydrological,atomspheric or biological.
What are technological hazards?
Technological hazards are hazards that are caused by humans and occur in or close to human settlements. This can include environmental degradation, pollution and accidents. They’re also known as man made hazards.
Why do people live in dangerous areas?
People live in dangerous areas because:
-Of cheap housing
-Not being able to afford to move
-Family living together.
What are the four plate boundaries?
The 4 plate boundaries are:
-Collision plate boundary
-Constructive plate boundary
-Conservative plate boundary
-Destructive plate boundary.
What is a collision plate boundary?
A collision plate boundary is where two continental plates collide and fold upwards. An example of this is the Alps.
What’s a constructive plate boundary?
A constructive plate boundary is where two plates are pulling apart from each other. As they pull apart, magma rises to the surface to fill the gap. A volcano forms.
What’s a destructive plate boundary?
A destructive plate boundary is where a continental plate and an oceanic plate collide. The thinner, more dense oceanic plates sink beneath the continental plate and is melted.
What’s a conservative plate boundary?
A conservative plate boundary is where 2 continental plates move past each other and get stuck at certain points. After they slide, the pressure that was built up gets released causing an earthquake.
What are the primary effects of a natural event?
The primary effects of a natural event are the direct impacts of a natural event. These can effect humans and property caused directly by it.
