Nife is made up of ________.

(a)

Nickel and ferrous

(b)

Silica and aluminum

(c)

Silica and magnesium

(d)

Iron and magnesium

The top of the cone of a volcanic mountain has a depression known as the _________.

(a)

crater

(b)

lopith

(c)

caldera

(d)

sill

_____ belt is known as the “Ring of Fire”.

(a)

Circum - Pacific

(b)

Mid - Atlantic

(c)

Mid - Continental

(d)

Antarctic

An earth quake of magnitude _____________ scale can cause damage from things falling.

(a)

3.0

(b)

4.0

(c)

5.0

(d)

2.0

If the crater of a volcano is of great size and is shaped like a basin, it is called a ______________

(a)

Vent

(b)

Crater

(c)

Caldera

(d)

Magma

The core is separated from the mantle by a boundary called ______.

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Weichart-Gutenberg discontinuity

The earthquake waves are recorded by an instrument known as ______.

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seismograph

Magma rises to the surface and spreads over a vast area is known as ______.

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fissure eruption

The scientific study of volcanoes is called _____________

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Volcanology

People who study volcanoes are called ___________

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Volcanologists

Earth quake

(1)

Blue planet

Sima

(2)

Barysphere

Tsunami

(3)

Japanese term

Earth

(4)

Silica and magnesium

Core

(5)

Sudden movement