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WorksheetsEarth Structure, Systems & Processes
Total questions: 34
Worksheet time: 3hrs 50mins
Name
Class
Date
1.
The earth is composed mainly of:
a)
water
b)
metals
c)
iron
d)
rock
2.
_________ of earth's surface is covered by water.
a)
60%
b)
85%
c)
75%
d)
95%
3.
Earth's inner core is composed mainly of:
a)
molten rock
b)
solid iron and nickel
c)
heated gases
d)
all the above
4.
Earth's inner core is suspended in:
a)
liquid iron and nickel
b)
solid nickel and copper
c)
heated gases
d)
all the above
5.
The rotational motion of the Earth creates dynamo effect where a force field is generated:
a)
true
b)
false
6.
Earth's outer layer is called the __________.
a)
Shell
b)
Mesosphere
c)
Outer Plate
d)
Crust
7.
Tectonic Plates:
a)
move very slowly
b)
sometimes press against or pull away from each other
c)
sometimes scrape against each other
d)
All the above
8.
Mountains form where tectonic plates collide:
a)
true
b)
false
9.
Volcanic activity is related to tectonic plate movement:
a)
true
b)
false
10.
Seismologists study:
a)
ocean tides
b)
mountain-side erosion
c)
volcanic activity
d)
earthquakes
11.
Oceanic plates are thicker than Continental plates:
a)
true
b)
false
12.
During an earthquake, energy is released into the earth:
a)
true
b)
false
13.
Most of the Earth's volcanoes are found in Hawaii:
a)
true
b)
false
14.
The waves generated by an earthquake are mechanical waves:
a)
true
b)
false
15.
Which layer of Earth is divided into plates?
a)
Mantle
b)
Crust
c)
Inner Core
d)
Outer Core
16.
Hot, molten rock deep below Earth's surface is called:
a)
lava
b)
viscous rock
c)
parent rock
d)
magma
17.
The solid outer layer of the Earth that consists of the crust and the rigid upper layer of the mantle is called the:
a)
crust
b)
troposphere
c)
atmosphere
d)
lithosphere
18.
Which layer of earth is the convective layer?
a)
curst
b)
lithosphere
c)
mantle
d)
inner core
19.
German scientist Alfred Wegner developed the hypothesis of:
a)
Seismology
b)
Continental Drift
c)
Volcanism
d)
Oceanic Crust
20.
The Ring of Fire, a region with many active volcanoes, circles which ocean?
a)
Atlantic
b)
Arctic
c)
Pacific
d)
Indian
21.
Volcanoes occur at all the following EXCEPT:
a)
divergent boundaries
b)
hot spots
c)
subduction zones
d)
anticline zones
22.
Most of the world's great mountain ranges occur near _______________ boundaries.
a)
convergent
b)
divergent
c)
transform
d)
fault
23.
Which process best EXPLAINS the driving force behind tectonic plate movement?
a)
viscosity
b)
seismology
c)
sea-floor spreading
d)
continental drift
24.
The point beneath Earth's surface where rock breaks under stress and triggers an earthquake is called the:
a)
syncline
b)
footwall
c)
epicenter
d)
focus
25.
The type of seismic waves that arrive at the surface first and move by COMPRESSING and EXPANDING the ground like an accordion are called:
a)
S waves
b)
P waves
c)
Surface waves
d)
Mercalli waves
26.
When rock layers are stretched apart at divergent boundaries, this is called:
a)
tension
b)
folding
c)
compression
d)
subduction
27.
At which location would earthquakes be least likely to occur?
a)
1
b)
2
c)
3
d)
4
28.
An earthquake is related to a crack in the crust called:
a)
fault
b)
fracture
c)
splinter
d)
crevasse
29.
What causes the tectonic plates to move?
a)
convection currents in the mantle
b)
the dynamo effect created in the core
c)
electric currents produced in the core
d)
solar flares
30.
Hot, molten rock the flows from a volcano:
a)
magma
b)
lava
c)
s waves
d)
p waves
31.
new plate material is made at:
a)
convergent boundaries
b)
divergent boundaries
32.
plate material is destroyed at:
a)
divergent boundaries
b)
convergent boundaries
33.
resistance to flow
a)
lava
b)
magma
c)
viscosity
34.
wave that causes the most damage
a)
body waves
b)
p waves
c)
s waves
d)
surface waves
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