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WorksheetsInside Our Earth
Total questions: 20
Worksheet time: 10mins
The earth, our homeland is a (a) planet.
The things present inside the earth are :
Crust
Mantle
Core
Animals
The deepest mine in the world, is in (a) .
Just like a/an (a) ,the earth is made up of several concentric layers with one inside another.
The uppermost layer over the earth’s surface is called :
Crust
Mantle
Core
It is about ___ km. on the continental masses and only __ km. on the ocean floors.
(a)
The main mineral constituents of the continental mass are :
silicon and aluminium
silica and nickel
silica and alumina
silicon and magnesium
"sima" is the acronym for :
(a)
Just beneath the crust is the (a) which extends up to a depth of 2900 km. below the crust.
The chemical name for Iron is :
Fe - Ferrous
Fe - Feride
Iron oxide
Steel
The radius of the earth is (a) km
Three major types of rocks:
igneous
sedimentary
metamorphic
sial
sima
When the molten magma cools, it becomes solid. Rocks thus formed are called (a) rocks.
Igneous is a _____ word meaning ______
Latin, fire
Greek, Stones
French, Water
Latin, Hot air
(a) is actually fiery red molten magma coming out from the interior of the earth on its surface.
Sometimes the molten magma cools down deep inside the earth’s crust. Solid rocks so formed are called (a) igneous rocks
(a) is the example of intrusive sedimentary rock.
Sedimentary is a word derived from _____ word ______
Greek, sedentum
Latin, sedentum
French, Sedimenta
Spanish, Sedenta
The sediments fuse together with this natural cementing material called ______
Lime
Glue
cement
clay
Rock salt is an example of
Organically deposited sedimentary rock
Stratified rock
chemically deposited sedimentary rock
