Types of Volcanoes

What are the two main types of volcanoes?

• Sword Volcano & Patovolcano

• Stratovolcano &

  Shield Volcano

• Stratovolcano & Cone Volcano

• Mt Fuji & Mauna Lua

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NGSS.MS-ESS3-2

When magma erupts at the surface as lava, it can form different types of volcano depending on:

• The viscosity/stickiness of the magma

• The taste of the magma

• The way in which the magma reached the surface

• The composition of the magma

• The amount of gas in the magma

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NGSS.MS-ESS2-2

Stratovolcanoes are...

• Mountains shaped like cones with steep sides and a narrow top

• In the stratosphere

• The largest type of volcano

• Extremely heavy

What percentage of volcanoes are classed as Stratovolcanoes?

• 20%

• 36%

• 90%

• 60%

Stratovolcanoes are made up of layers of ash and hardened lava, this is why they are also called

??? volcanoes.

Mount Fuji, Mount St. Helens and Whakaari are all examples of Stratovolcanoes.

• True

• False

.... volcanoes are dome shaped and formed by lava flows.

• Fish

• Island

• Shield

• Boot

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

The islands of Hawai'i are shield volcanoes.

• True

• False

One of the most dangerous parts of volcanic eruption is...

• The lava

• The heat

• A Pyroclastic Flow

• A Lahar Flow

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NGSS.MS-ESS3-2

... is a violent type of mudflow made up of a combination of water and pyroclastic debris (rock)

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NGSS.MS-ESS3-2