Today I did a P M I and an information report about earthquakes. A P M I explains what I liked about, what I didn't like about it and what I found interesting about it.
Earthquakes
An earthquake is when the crust of the earth shakes really strongly. They are caused by the mantle moving the crust. The mantle moves tectonic plates on the crust apart and together. Sometimes when plates touch each other they get stuck for a while. But the mantle keeps moving and eventually a weak part of a plate cracks and the plates break apart suddenly. Earthquakes can do a lot of damage by breaking roads and houses. When the earthquake breaks a building it can fall on people so make sure that you're under a table when you're having an earthquake.
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