Different Types of Volcanoes

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Presentation transcript:

Different Types of Volcanoes Start Lesson Ryan Sullivan 8th Grade Natural Science

Click On Each Volcano to Learn More About Them Question Stratovolcano 1 Cinder 1 Spatter 1 Shield 1 Stratovolcano 2 Cinder 2 Spatter 2 Shield 2

Stratovolcano Also known as composite, stratovolcanoes are conical and shape. They are built up by many layers (strata) of hardened lava, tephra, pumice, and volcanic ash. Known for periodic explosive and quiet eruptions. Click Here to Go Back

Stratovolcano Cntd. Lava that flows from stratovolcanoes typically cools and hardens before spreading far due to high viscosity. Fun Facts: Mount Vesuvius, perhaps the most well known volcano, is a stratovolcano. Mount Fuji, another well known stratovolcano, last erupted in 1707- 1708. Click Here to Go Back

Shield Usually built entirely of fluid lava flows. Names for their large size and low profile, resembling a shield lying on the ground. Lava flows more quickly due to low viscosity. Click Here to Go Back

Shield Cntd. Fun Facts: The Hawaiian Islands are composed of linear chains of shield volcanoes, including the largest active volcano on the planet, Mauna Loa. Olympus Mons on Mars, is also a shield volcano. Click Here to Go Back

Spatter Formed of molten lava ejected from a vent, with a viscosity somewhat like taffy. They are relatively explosive, but fall near the crater. The explosive bits that come out splash over the side and due to them being partly liquid rock, they form mounds called spatters. Click Here to Go Back

Spatter Cntd. Fun Facts: A famous spatter volcano has the wonderful name, Puʻu ʻŌʻō. This volcano has been fairly active in recent years. Click Here to Go Back

Cinder Cinder Volcanoes, are also known as volcanic cones. They are built up by ejecta from a volcanic vent piling up around the vent in the shape of a cone with a central crater. Cinder cones are commonly found on the flanks of shield volcanoes. Click Here to Go Back

Cinder Cntd. These volcanoes are usually very small, but very steep. Fun Facts: There are around 100 identified cinder cones on the flanks of Mauna Kea. Click Here to Go Back

Question time! What type of volcano is Mount Vesuvius? A – Shield Volcano B – Spatter Volcano C – Stratovolcano D – Cinder Volcano

Sorry, Try Again!  Cinder Volcanoes do not have this appearance.

YAY! Good Job! You are correct!

Sorry, Try Again!  Shield volcanoes do not have this appearance.

Sorry, Try Again!  Spatter Volcanoes do not have this appearance.

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