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Inside Our Earth Class 7 PPT

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Inside Our Earth  
C l a s s - 7
Page 2


Inside Our Earth  
C l a s s - 7
What is Earth?
The Earth is a dynamic planet undergoing continuous
changes both internally and externally.
It consists of three main layers: the crust, mantle, and core.
The Earth's crust is the uppermost layer and is divided into
continental crust (sial) and oceanic crust (sima).
Page 3


Inside Our Earth  
C l a s s - 7
What is Earth?
The Earth is a dynamic planet undergoing continuous
changes both internally and externally.
It consists of three main layers: the crust, mantle, and core.
The Earth's crust is the uppermost layer and is divided into
continental crust (sial) and oceanic crust (sima).
Interior of Earth
Page 4


Inside Our Earth  
C l a s s - 7
What is Earth?
The Earth is a dynamic planet undergoing continuous
changes both internally and externally.
It consists of three main layers: the crust, mantle, and core.
The Earth's crust is the uppermost layer and is divided into
continental crust (sial) and oceanic crust (sima).
Interior of Earth What is Earth?
Beneath the crust is the mantle, extending to a depth of about
2900 km.
The innermost layer is the core, composed mainly of nickel
and iron (nife) and characterized by extremely high
temperature and pressure.
Page 5


Inside Our Earth  
C l a s s - 7
What is Earth?
The Earth is a dynamic planet undergoing continuous
changes both internally and externally.
It consists of three main layers: the crust, mantle, and core.
The Earth's crust is the uppermost layer and is divided into
continental crust (sial) and oceanic crust (sima).
Interior of Earth What is Earth?
Beneath the crust is the mantle, extending to a depth of about
2900 km.
The innermost layer is the core, composed mainly of nickel
and iron (nife) and characterized by extremely high
temperature and pressure.
Interior of Earth
Continental crust and Oceanic crust
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