WELCOME

POWER POINT PRESENTATION

PRESENTED BY,

AKHIL.J.P

SOCIAL SCIENCE

CRUST THE OUTER MOST LAYER OF EARTH IS CALLED

CRUST

CRUST CAN BE CLASSIFIED INTO TWO-OCEAN FLOOR AND CONTINENTAL FLOOR

OCEAN FLOOR IS KNOWN AS “SIMA” CONTINENTAL FLOOR IS KNOWN AS “SIAL”

OCEAN FLOOR IS MADE UP OF SILICA AND MAGNESIA

CONTINENTAL FLOOR IS MADE OF SILICA AND ALUMINIA

LITHOSPHERE UPPER PORTION OF MANTLE AND CRUST

TOGETHER IS CALLED LITHOSPHERE

MAXIMUM THICKNESS OF LITHOSPHERE IS 100 KM

LITHOSPHERE IS FOUND AS 7 MAJOR AND DESSON OF MINOR PLATES

MANTLE JUST BELOW CRUST THERE IS MANTLE

MANTLE HAS TWO PART UPPER MANTLE AND LOWER MANTLE

CORE BELOW LOWER MANTLE THERE IS CORE

CORE IS IN TWO TYPE INNER CORE AND OUTER CORE

CORE IS MADE UP OF NICKEL AND IRON

CORE IS ALSO KNOWN AS NIFE

AESTHENOSPHERE BETWEEN LOWER MANTLE AND UPPER MANTLE

THERE IS AESTHENOSPHERE

MAGMA FOUND IN AESTHENOSPHERE

THANK YOU