VOLCANOES

by clairedaveellis5988029e10f90
Last updated 3 years ago

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Discipline:
Science
Subject:
Geostudies
Grade:
4,5,6,7,8,9,10

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VOLCANOES

Magma - Molten rock beneath Earth's surface. Parasitic Cone - A small cone-shaped volcano formed by an accumulation of volcanic debris.Vent - An opening in Earth's surface through which volcanic materials escape. Lava - Molten rock that erupts from a volcano that solidifies as it cools. Crater - Mouth of a volcano - surrounds a volcanic vent. Conduit - An underground passage magma travels through. Summit - Highest point; apex Throat - Entrance of a volcano.

VOLCANOES!

Kinds, Parts, and Process

stratovolcano — a volcano with layers of solid lava flows mixed with layers of other rock. cinder cone volcano — doesn’t have any horizontal layers and accumulates tephra around and downwind from the vent. shield volcano — a type of volcano built entirely or mostly from fluid lava vents. Named like this because when viewed from above, you can see just how massive and imposing they are.

KINDS OF VOLCANOES

The volcanoes of the Philippines rank as the most deadly and costly in the world: about 13% of its historic eruptions have caused fatalities, most notably at Taal and Mayon, and 22% of its eruptions caused significant damage.

PARTS OF A VOLCANO

Volcanoes erupt because of density and pressure. The lower density of the magma relative to the surrounding rocks causes it to rise.

HISTORY

An erupting volcano can trigger tsunamis, flash floods, earthquakes, mudflows and rockfalls.

Video

PROCESS OF VOLCANIC ERUPTION

STEP 3

STEP 4

STEP 2

STEP 1

DID YOU KNOW?

ERUPTIONS


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