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WorksheetsEarth's Layers & Plate Tectonics
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Order the layers of the Earth from the most dense to the least
a)
crust, mantle, outer core, inner core
b)
inner core, outer core, mantle, crust
c)
crust, mantle, inner core, outer core
d)
inner core, outer core, crust, mantle
2.
Which layer of the Earth is the thickest?
a)
Inner Core
b)
Mantle
c)
Crust
d)
Outer Core
3.
What is a difference between oceanic & continental crust?
a)
Continental is thicker
b)
Oceanic is thicker
c)
Continental is made of basalt
d)
Oceanic is made of granite
4.
State of matter the rocks that are in the mantle:
a)
Solid
b)
Liquid
c)
Gas
d)
Semisolid
5.
What is the driving force behind plate tectonics?
a)
convection currents
b)
magnetic reversal
c)
volcanic eruption
d)
subduction zones
6.
Where in the mantle are convection currents found?
a)
Upper
b)
Lower
c)
Middle
d)
Center
7.
This structure rests on top of the asthenosphere:
a)
Lithosphere
b)
Outer Core
c)
Lower Mantle
d)
Oceanic Crust
8.
The lithosphere is subdivided into:
a)
tectonic plates
b)
continents
c)
islands
d)
poles
9.
Which of the following is not a piece of Wegener's evidence?
a)
fossils
b)
glaciers
c)
rocks
d)
rivers
10.
Another word used to describe a force acting on a rock:
a)
stress
b)
pressure
c)
compaction
d)
subduction
11.
Volcanoes are formed at this type of boundary:
a)
oceanic-oceanic
b)
oceanic-continental
c)
continental-continental
d)
none of the above
12.
How is new crust made?
a)
sea-floor spreading
b)
continental-oceanic
c)
continental-continental
d)
rift valley
13.
A difference between the inner and outer core
a)
Outer core is solid
b)
Inner core is liquid
c)
Outer core has magnesium
d)
Inner core has iron
14.
Mountain ranges are a result of:
a)
oceanic-oceanic
b)
oceanic-continental
c)
continental-continental
d)
sea-spreading
15.
What type of boundary is indicated here at the red dot?
a)
convergent
b)
divergent
c)
transform
d)
none
16.
What type of boundary interaction is this?
a)
oceanic-continental
b)
continental-continental
c)
oceanic-oceanic
d)
divergent
17.
What travels from the mantle in order to form new crust?
a)
magma
b)
outer core
c)
convection currents
d)
asthenosphere
18.
What are usually common at transform boundaries?
a)
volcanoes
b)
earthquakes
c)
rivers
d)
deserts
19.
Rocks in the mantle are made of:
a)
Silicon
b)
Nickel
c)
Iron
d)
Magnesium
20.
Difference between continental drift (CD) and plate tectonics (PT)
a)
CD-continents were once called Eurasia
b)
PT-asthenosphere moves plates
c)
CD-no evidence for it
d)
PT-explains how CD happened
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