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WorksheetsGrade 7 - Inside our earth
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
The upper most layer of the earth's surface is called ____
a)
Crust
b)
Mantle
c)
Core
2.
Igneous rocks are also called as ____
a)
Sediment
b)
Primary rock
c)
Metamorphic rock
3.
____ is the inner most layer of the earth.
a)
Mantle
b)
Crust
c)
Core
4.
When molten magma cools deep inside the earth is known as ____
a)
Extrusive igneous rock
b)
Igneous rock
c)
Instrusive igneous rock
5.
The main mineral constituents of the continental mass are ____
a)
Silica and magnesium
b)
Silica and aluminium
c)
Silica and nickel
6.
Thinnest layer of earth is called ___
a)
Mantle
b)
Core
c)
Crust
7.
There are ___ major types of rock.
a)
5
b)
3
c)
4
8.
Fossils are remains of dead plants and animals.
a)
True
b)
False
9.
The word igneous is derived from a Latin word means.
a)
Fire
b)
Stone
c)
Rock
10.
The depth of mantle is 2900 km.
a)
True
b)
False
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