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WorksheetsEarth dynamics
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Which leads to the creation of the island arcs?
a)
Collision of two oceanic plates
b)
Collisions of two contential plates
c)
Collision of an oceanic plate and contential plate
d)
All of the above
2.
Question*which is the earth outermost layer?
a)
crust
b)
Litosphere
c)
Mantle
d)
outercrust
3.
Which type of crust is found under the contents?
a)
Contential crust
b)
Oceanic oceanic crust
c)
Geologic crust
d)
None none of the above
4.
What is not likely to happen to divergent boundary?
a)
Mountain formation
b)
Rift valley
c)
Seafloor spreading
d)
Volcano formation
5.
When did the himlayan mountain range begin to form?
a)
5000-6000 years ago
b)
20-30 years ago
c)
40-50 million years ago
d)
100-150 million years ago
6.
When did the supercontinent Pangaea start to break up?
a)
20 million years ago
b)
40 million years ago
c)
100 million years ago
d)
200 million years ago
7.
What is happening at subduction zone of the Juan de fuca and North America plates?
a)
Plates are sliding past each other
b)
Plates are spreading apart
c)
one plate is being pulled under another
d)
None of the above
8.
Which type of crust is found under the ocean?
a)
Contention crust
b)
Oceanic crust
c)
Geologic crust
d)
None of the above
9.
What kind of plate boundary runs across Iceland?
a)
Convergent boundary
b)
Divergent boundary
c)
Nordic boundary
d)
Transform boundary
10.
Approximately 225 million years ago the earths continent were grouped in one landmass called?
a)
Europe
b)
Jurassic
c)
Panagea
d)
Pangea ultima
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