science Flashcards
(18 cards)
At a ____ boundary, two plates move towards each other
Convergent
At a ____ boundary two plates move away from eachother
Divergent
At a ____ boundary two plates slide paste eacother
Transform
What forms the Himalayas
Two continental plates
What forms the Andes
One oceanic plate and on continental plate
What word means when one plate goes under another
Subduction
Mid-ocean ridges are what type of plate boundary
Divergent
What time scale is for fold moutains
Millions of years
What forms in the middle of a plate
Hot spots
Define A volcano arc
A curved line with volcanoes on it parallel to a plate boundary
Volcano arcs form at ____
Subduction zones
What spatial time scale is for volcanos
Regional
What time scale is for volcano formation
Millions of years
What is a mudflow?
The thermal energy from a volcano melts ice and makes it into the water and the mud mixes creating mus flows
What is a pyroclastic flow?
It is basically gas going down the volacno
What is a tsunami
A large ocean wave which is created from a under water volcano
Describe the process of a tsunami
One side of the fault gets pushed up pushing the water forming a tsunami
What is the spatial scale for a tsunami
Global since tsunamis can travel the ocean
