How many layers is Earth broken in to? - Earth is broken into four layers.  , What are tectonic plates? - Tectonic plates are large, moving pieces of Earth's outer layer, What are mountains formed by? - Mountains are formed by tectonic plates. , Where are most mountains formed? - Most mountains are found on or near plate boundaries., What are the names of the different types of mountain formations? - There are three types of mountain formation.  , What are the two main types of volcanoes? - There are two main types of Volcanoes. , What are the three ways that volcanoes are classified? - There are three types of classified volcanoes.  , Where is Mount Etna located? - Mount Etna is in Sicily, Italy.  , What does living near a volcano have? - Living near a Volcano has positive and negative consequences.  , What is an Earthquake? - An earthquake is the shaking of the ground caused by moving tectonic plates, Where do Earthquakes tend to happen? - Earthquakes tend to happen near plate boundaries as they are created by the movement of tectonic plates. , How do Earthquakes happen? - Earthquakes happen when two tectonic plates move and rub against each other, they release large amounts of energy that shakes the ground., What are the three main types of rock? - There are three main types of rock. ,

Geography - Volcanoes

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