Lets Review……. Magma Chamber Lies inside the earth. Stores hot, melted rock called magma.

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Presentation transcript:

Lets Review……

Magma Chamber Lies inside the earth. Stores hot, melted rock called magma.

Central Vent Opening at the top of the volcano in which lava, pieces of rock and other materials pour out of.

Conduit Vertical channel or pipe in which magma moves up before it reaches the surface of the earth.

Crater Bowl-shaped hole which forms at the top of the volcano.

Lava Flow Lava is very hot when it erupts out of a volcano. The lava flows down the sides of the volcano. As it moves, the lava cools and hardens.

The Three Major Types of Volcanoes

Volcano number 1

Volcano number 2

Volcano number 3

Volcanoes are classified by: Their shape The way they erupt The materials from which they are formed

There are three main types of volcanoes that we need to learn about. They are: Cinder Cone Volcanoes Shield Volcanoes Composite Volcanoes

Cinder Cone Volcanoes Cone shaped with very steep sides Relatively small- usually less than 300m (984ft) Built from lava fragments called cinders Very little lava Ex: Paricutin in Mexico and Stromboli in Italy

Shield Volcanoes Looks like a shield Large mountains with gentle slopes Formed from lava that flows slowly from a crack in the Earth’s curst Ex: Mauna Loa located in Hawaii is the largest volcano on Earth

Composite Volcanoes Looks like and upside- down V and has steep sides Formed from the most explosive volcanoes Eruptions usually occur without warning and can be very destructive Layers of rock and lava Ex: Mount Fuji which is located in Japan

What type of volcano am I? I have large mountains with gentle slopes  Answer: Shield Volcano I am built from lava fragments called cinders  Answer: Cinder Cone Volcano

What type of volcano am I? I am made up of layers of rock and lava  Answer: Cinder Cone Volcano I produce very little magma  Answer: Cinder Cone Volcano

What type of volcano am I? I look like an upside-down V  Answer: Composite Volcano I erupt usually without warning and can be very destructive  Answer: Composite Volcano

What type of volcano am I? I am relatively small in size- usually less than 300m  Answer: Cinder Cone Volcano Formed from lava that flows slowly from a crack in the Earth’s crust  Answer: Shield Volcano

What type of volcano am I?