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the Earth

revision about the earth, volcanoes and earthquakes

QuestionAnswer
how many layers does the earth have? four
what are those layers? crust, mantle, outer core and inner core
what are the states of volcanoes? active, dormant and extinct
what are fold mountains? fold mountains are the Earth's crust folding over itself as two plates collide.
what do you use to measure a earthquake you use a Seismograph
what is a Tsunamis? A Tsunamis is series of large waves caused by an earthquake underneath the sea.
what are convection currents? they are as magma heats it rises but as comes close to the surface it cools and sinks as it gets closer to the core it heats and repeats
Created by: lauren19_3_2
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