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How many layers is the earth made up of?
Three
This word means the part we layer of earth that we live on.
crust
This is the middle part and it is 2900 km thick.
mantle
We call the center of the Earth the........
the core
The huge pieces of land on the surface of earth are called....
plates
What causes earthquakes, volcanoes, and tsunamis?
The movement of the plates
This substance is between the crust and the mantle and it is made from rocks and gases.
magma
When the magma is squeezed between the plates, a _______ happens.
volcano
This is liquid rock and can reach tempratures of up to 1200 C.
lava
This is liquid rock and can reach tempratures of up to 1200 C.
lava
There are around 1500 active _______ in the world.
volcanoes
There are around 1500 active _______ in the world.
volcanoes
a large underground pool of molten rock sitting underneath the Earth's crust
magma chamber
