KHAY+3.1

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Chapter 3.1
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Vocabulary

 * Volcano**: a very weak spot in the Earth's crust where lava gushes/spills out.
 * Magma**:molten rock from underneath the Earth's crust, not on top(usually confused with lava)
 * Lava**:molten rock on to of Earth's crust, not underneath(usuallly confused with magma)
 * Ring of Fire**: a major volcano belt
 * Island Arc**:a string of islands created by a volcano
 * Hot Spot**:an area where magma deep inside the mantle melts through the Earth's crust

What is a Volcano

 * a weak spot in Earth's crust where lava comes out
 * can cause devastating damage
 * volcanoes sometimes form islands

Location of Volcanoes

 * volcanoes form a kind of belt(where they are located)
 * most volcanoes occur along diverging plate boundaries
 * such as the mid-ocean ridge
 * in places where subduction occurs

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