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WorksheetsEarthquakes and Volcanoes
Total questions: 37
Worksheet time: 20mins
Name
Class
Date
1.
Shaking of Earth's crust
a)
seismograph
b)
earthquake
c)
epicenter
d)
fault
2.
Deepest-innermost (NOT thickest) layer of Earth
a)
mantle
b)
core
c)
crust
d)
plates
3.
Thickest layer of Earth, made of solid and melted rock
a)
crust
b)
mantle
c)
core
d)
plates
4.
Point on Earth's surface right above the origin of an earthquake
a)
epicenter
b)
focus
c)
fault
d)
plates
5.
Layer of Earth that includes land and the ocean floor
a)
plates
b)
crust
c)
mantle
d)
core
6.
Continent-sized slabs that make up the crust and upper mantle
a)
core
b)
crust
c)
plates
d)
mantle
7.
Break in Earth's crust along which rocks move
a)
plates
b)
mantle
c)
core
d)
fault
8.
Instrument that records earthquake waves
a)
water
b)
recorder
c)
seismograph
d)
scientist
9.
Underground point where an earthquake first starts
a)
epicenter
b)
focus
c)
mantle
d)
fault
10.
Earth's outermost layer
a)
crust
b)
mantle
c)
core
d)
plate
11.
The middle of Earth's three layers
a)
mantle
b)
core
c)
crust
d)
plates
12.
The innermost layer of Earth
a)
crust
b)
mantle
c)
core
d)
plates
13.
A volcano can fall in on itself, creating a large basin called _____________.
a)
crater
b)
epicenter
c)
fault
d)
plate
14.
Melted rock which reaches Earth's surface is called _____________.
a)
lava
b)
crust
c)
magma
d)
iron
15.
Melted rock inside Earth is called ____________.
a)
lava
b)
magma
c)
iron
d)
crust
16.
A _____ is the tube in a volcano that carries hot melted rock to the surface.
a)
magma chamber
b)
vent
c)
crater
d)
fault
17.
A?
a)
an earthquake
b)
a flood
c)
a volcano
d)
a tornado
18.
B?
a)
crater
b)
vent
c)
magma chamber
d)
volcano
19.
D?
a)
crater
b)
vent
c)
magma chamber
d)
lava
20.
E?
a)
crater
b)
vent
c)
magma chamber
d)
magma
21.
F?
a)
crater
b)
vent
c)
magma chamber
d)
magma
22.
C?
a)
lava
b)
vent
c)
magma chamber
d)
magma
23.
Earth's hottest layer
a)
crust
b)
mantle
c)
outer core
d)
inner core
24.
Earth's plates move very slowly across Earth's surface on a thin layer of partly melted ________.
a)
frosting
b)
mantle
c)
volcanic ash
d)
crust
25.
Scientists can ________ earthquakes by using seismographs, the Mercalli scale, and the Richter scale.
a)
measure
b)
predict
c)
weaken
d)
cause
26.
California has more than 20,000 earthquakes each year because there is a large ______ running through the state.
a)
fault
b)
epicenter
c)
river
d)
giant
27.
Some volcanoes form new _____ as plates move apart and magma rises to the surface of the crust.
a)
volcanoes
b)
earthquakes
c)
ocean floor
d)
mantle
28.
Different kinds of ________ form different kinds of volcanic mountains.
a)
cinders
b)
energy waves
c)
candy
d)
lava eruptions
29.
Looking at this map, why is it called the "Ring of Fire"?
a)
Plates are moving and creating numerous volcanoes in one area.
b)
There is a circle of red on the map.
30.
Looking at this map, what causes the volcanoes in this ring?
a)
The plates are moving into and underneath each other, creating volcanoes.
b)
This is an area in which volcanoes just appear.
31.
An underground holding pool for hot magma is called ____.
a)
a magma chamber
b)
mantle
c)
vent
d)
crater
32.
If you somehow dug down to Earth's center, the first two layers you would pass through are the _________ and ______.
a)
crust / mantle
b)
mantle / core
c)
crust / core
d)
mantle / fault
33.
A mountain that forms from lava is ___________.
a)
earthquake
b)
lava
c)
magma
d)
volcano
34.
Earth's crust is made up of _________ which are in constant motion.
a)
crust
b)
faults
c)
earthquake
d)
plates
35.
The plates of Earth's crust and mantle can NOT usually move __________.
a)
toward each other
b)
away from each other
c)
very slowly
d)
very quickly
36.
________ are mountains made of lava layers that alternate with layers of cinders.
a)
Cinder cones
b)
Shield volcanoes
c)
Composite volcanoes
d)
Crater volcanoes
37.
Volcanoes can be useful to people because volcanoes _______.
a)
add minerals to the soil
b)
spread ash
c)
send out lava and gases that are very hot
d)
cause huge waves
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