plate tectonics
What is the outer layer of the earth called
The crust
What is a volcano known as if it is erupting or has erupted recently
Active volcano
Sent out from the epicentre during an earthquake, vibrations in the ground
Shock/seismic waves
Fold mountains form at what plate boundaries
Colliding/destructive
What rock types form from hardened magma/lava
Igneous
what is the circular flow of magma in the mantle called
Convection currents
What is the tube in the volcano whicj molten magma flows up
The vent
The point within the earths crust that the earthquake begins
The focus
Name a fold mountain range
Accept appropriate answer
What is the name of colliding plate boundaries
Destructive plate boundaries
iceland is a volcanic island that has protruded from what feature that lies between Europe/Africa and north/South America?
Mid ocean ridge or mid atlantic ridge
What instrument is used to measure earthquake
Seismograph
What fold mountain period happened between 30-35 million years ago
The alpine period
when one plate is pushed under another it is know as
Subduction
What is a Lahar?
When volcanic material mixes with rain/river/melted snow and creates a river of mud
name of a person who studies earthquakes
Seismologist
What is the upfold and down food of a fold mountain, you must state which is which
Anticline is upfold
syncline is downfold
what type of plate boundaries is between the Eurasian and pacific plate
Destructive
How can volcanic activity contribute towards sustainability
Geothermal energy
What magnitude Earthquake hit of the coast of Japan on 11th of march 2011
8.9 on richter scale
Why are foldmountains unsuitable for crop farming
Thin soils, steep slopes, harsh winds, etc