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1. EARTH: STRUCTURE

3. EARTH’S FORMATION AND
LAYERS
•CORE
-INNER and OUTER
•MANTLE
- LOWER and UPPER
•CRUST

4. INNER CORE
•the very hot, very dense center of
our planet.
•is found about 2,900 kilometers
below Earth’s surface, and has
a radius of about 1250 kilometers.

6. OUTER CORE
•Is made mostly of iron and
nickel.
•The outer core is
approximately 2300km

7. MANTLE: LOWER AND
UPPER
•The mantle is the longest part of
the earth.
•It is made up of molten rocks
called magma.
•Its total thickness is 2900 km.

8. CRUST
•the outermost shell of
a terrestrial planet
•The crust is made of
solid rocks and minerals.

9. THE CONTINENTAL CRUST
•the relatively thick part
of the earth's crust that
forms the large
landmasses

10. OCEANIC CRUST
• the outermost layer of
Earth’s lithosphere that is
found under the oceans and
formed at spreading
centers on oceanic ridges,