what is at the centre of the earth?
what is the mantle made from?
how does it move?
what is the outer layer of the earth called?
is the crust thick or thin?
what is the crust divided into?
what are the two types of plates that the crust is made from?
describe the continental crust
describe the oceanic crust
what is the order of the earths structure from the middle to the outside
why do the earths plates move?
what are the places where the plates meet called?
what are the 3 types of plate margins?
what is a destructive plate margin?
what is a constructive plate margin?
what is a conservative plate margin?
describe how a destructive plate margin works
describe what happens at a constructive plate margin
describe what happens at a conservative plate margin
where are fold mountains formed?
how do fold mountains form?
what are fold mountain areas like?
what do humans use fold mountains for?
what is the case study for fold mountains?
where is the Alps?
what countries do The Alps stretch across?
what do people use The Alps for?
how is farming done on the alps?
how is hydro-electric power (HEP) used on The Alps?
how is mining useful in The Alps?
how is forestry used in The Alps?
how many tourists visit the alps each year?
what do tourists use the alps for?
what has been built in The Alps to cope with the number of tourists?
where are volcanoies found?
what are the 3 different types of volcano?
what are the characteristics of a composite volcano?
what are the characteristics of a shield volcano?
what are the characteristics of a dome volcano?
what is the volcano case study?
what is a convection current?
what sort of pattern are earthquakes and volcanoes formed on?
what are three social responses to the mount st helen eruption
what are three economic responses to the mount st helen eruption
what are three enviromental responses to the mount st helen eruption
where is mount st helens
why are the alps ideal for generating electricity?
how many people were killed due to the mount st helens eruption?
what did the landslide due to the mount st helens eruption cause
when did mount st helens erupt?
what is a supevaolcano?
what is the supervolcano case study?
what part of americal is yellow stone national park?
what plate boundary is yellow stone natinal park on?
how much area was affected due to the yellow stone eruption?
what effects would be caused if yellow stone volcano was to erupt?
what two scales can measure earthquakes?
what does a richter scale measure?
what is magnitude?
what does an mercalli scale measure?
what is the earth quake case study in rich and poor parts of the world?