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WorksheetsThe Structure Of The Earth
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
How many layers is earth made of ?
a)
3
b)
7
c)
6
2.
Which is the thinnest layer of the earth ?
a)
Mantle
b)
Crust
c)
Core
3.
How much thick is the Mantle ?
a)
5 km
b)
3,500 km
c)
2, 900 km
4.
How much thick is the core ?
a)
3,500 km
b)
5 Km
c)
2,900 Km
5.
How many times of rocks are there ?
a)
1
b)
2
c)
3
d)
4
6.
Igneous rocks are also called Primary rocks.
a)
True
b)
False
7.
Sedimentary rocks are harder than Igneous Rocks.
a)
True
b)
False
8.
Some common examples of metamorphic rocks are :-
a)
Limestone, Sandstone, Shale and Chalk
b)
Marble, Slate, Quartzite and Gneiss
c)
Dolerite, Granite, Basalt and Obsidian
9.
Fossil fuels like Petroleum are obtained from
a)
Igneous Rocks
b)
Sedimentary Rocks
c)
Metamorphic Rocks
10.
The scientific study of rocks is called Petrology.
a)
True
b)
False
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