geography quiz

where is mount Everest?

tectonic plates are under the ground

the richter scale measures the angle of where an earthquake takes place

composite volcanoes are found on...

The [blank_start]mantle[blank_end] is the widest section of the earth at approximately [blank_start]2,900km[blank_end].it is made up of semi-molten rock called [blank_start]magma[blank_end]. towards the top of the mantle the rock is [blank_start]hard[blank_end] , but lower down nearer to the centre of the earth, the rock is [blank_start]soft[blank_end] and beginning to [blank_start]melt[blank_end].

there are two types of crust. continental and oceanic.

plate technotics cause...

the earth's [blank_start]crust[blank_end] is broken up into pieces called plates. [blank_start]Convection currents[blank_end] in the [blank_start]mantle[blank_end] ,caused by heat rising and [blank_start]falling[blank_end] generated by radioactive [blank_start]decay[blank_end] in the [blank_start]core[blank_end], causes the plates to move. the plate movements and the activity inside the earth is called [blank_start]plate tectonics.[blank_end]

label the diagram below

the earth has 6 layers