Earth's Interior: Geography Class 9-10

Hello students! Aaj hum Earth ke interior ko samjhenge. We can't go

inside, it's too hot. Sabse upar hai Crust. Think of it

like an eggshell. It is the thinnest layer. Continental crust ko SIAL kehte hain

aur Oceanic ko SIMA. Silica and Alumina ka base. Iske neeche hai

Mantle. Yeh layer semi-molten hai aur yahan se hi magma aata hai.

Mantle mein convection currents plate movements ko drive karte hain. Yeh 2900 kilometers

deep hai. Last hai Core. Outer core liquid hai, par Inner core

solid hai due to pressure. Core Iron aur Nickel se bana hai,