Scoence Test Flashcards
(10 cards)
What is a focus
The point where the earth quake begins
What is a epicentre
The earths surface that is above the point of focus
Name the landmasses that were part of the supercontinent dondwana
Africa, South America, Australia, Antarctica, the Indian subcontinent and the Arabian Peninsula
What are primary waves
It is the first impact wave
What are secondary waves
The after shock waves that come second
Describe subduction boundary
When 2 tectonic plates collide
What is collision boundary
Where 2 plates collide and can form mountains
What is spreading boundary
It is where 2 or more tectonic plates are moving away from each other
What is transform boundary
where plates slide sideways past each other
Describe the 2 processes that drive plate techtonic plate. 
Convection in the Mantle Ridge push
