Hawaii

Z zZ

• Measuring the temperature

Heat suit

USGS photo by R.L. Christiansen Jan.9, 1973

vent

cone

magma chamber

Pipe

(Conduit)

• A look inside the Earth

Mantle

Outer CoreInnerCore

Crust

• A look at the mantle and crust

Cold Crust

Ocean

Hot MeltHot Mantle

CoolerMantle

magma magma

• Talk Partners• 30 seconds to describe

together how a volcano erupts.

• Bonus points:– Why it erupts– Technical language– Imagery

• Three pairs will be asked at random

• As a group we will decide whose description most Volcanologist-like!

Hawaii

Courtesy of www.swisseduc.ch

RoughLots of pieces

Smooth or Ropy

Courtesy of A. Rust

Courtesy of A. Rust

• World map of volcanoes erupted within the past 10,000 years

Courtesy of Smithsonian Institution Global Volcanism Program

• Talk Partners with whiteboards:

• Take it in turns one word or phrase on volcanoes. (Don’t worry about spellings)

• How many can you think of?

• How many did you get out of possible 20?

• Any you are particular proud of remembering?

• Explain to your Talk Partner or group why the bottled exploded.

• Maybe a diagram would help?

USGS/Hawaiian Volcano ObservatoryPhoto by J.D. Griggs

Danger to People, Places and Things

Fast flowing rocks! Bent bars of a broken house.Which way did the flow go?

USGS/Cascades Volcano ObservatoryPhoto by David Wieprecht

Courtesy of Swisseduc.ch

• What can we do to help people who live near active volcanoes?

• As a Volcanologist, you have been asked to give advice for a new education leaflet for islanders who live close to a volcano that you have not visited before. How could you go about answering the question?

What can we do to help people who live near active volcanoes?

Mt. St. Helens

Examples from Past and Present

Courtesy of www.swisseduc.ch

• Vesuvius, Italy – 79AD• Explosive• Ash and flows covered Pompeii

• Excavations

cc. Crew Creative

cc. of Crew Creative

• Plaster casts of bodies

• Vesuvius today

Naples

• Mt. Pelée, Martinique - 1902

Photo by Angelo Heilprin

• Vestmannaeyjer,Iceland - 1973

• Lava flows caught people by surprise

• What is happening in this picture and why?

• What is happening in this picture and why?

3kmN

• Real-Life Scenario

Courtesy of www.swisseduc.ch

What is a volcano? Mountains that erupt .

A dormant volcano is: awake asleep ________ chamber

V____

ConduitCone

What is lava and magma? m + bubbles + crystals

Why do volcanoes erupt? Hot magma wants to go: up down

How do volcanoes erupt? Two types: e and effusive .

Explosive volcanoes erupt a lot of into the air.

What helps make explosive volcanoes erupt? .

Can you outrun a pyroclastic flow? Can lava burn trees and houses?

Do effusive volcanoes have runny or sticky lava? .

l a v a

e l t

x p l o s i v e

b u b b l e s

a s h

r u n n y

yesno

e n t

M a g m a