Hawaii

Z zZ

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

• Maybe a diagram would help?

USGS/Hawaiian Volcano ObservatoryPhoto by J.D. Griggs

vent

cone

magma chamber

Pipe

(Conduit)

Cold Crust

Ocean

Hot Melt

Hot Mantle

CoolerMantle

magma magma

Hawaii

Courtesy of www.swisseduc.ch

RoughLots of pieces

Smooth or Ropy

Courtesy of A. Rust

Courtesy of A. Rust

Danger to People, Places and Things

What could the hazards be when a volcano erupts?

USGS/Cascades Volcano ObservatoryPhoto by David Wieprecht

Courtesy of Swisseduc.ch

3kmN

What is a volcano? Mountains that erupt .

A dormant volcano is: awake asleep ________ chamber

V____

Conduit

Cone

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 lava burn trees and houses?

Do effusive volcanoes have runny or sticky lava? .

l a v a

x p l o s i v e

b u b b l e s

a s h

r u n n y

yes

e n t

M a g m a