Download Earth*s Structure * Layers of the Earth

Earth’s Structure – Layers of the Earth
Name __________________________________________________________ Class_____________________
Name of
Layer
Density
g/cm3
Crust
Litho
sphere
Astheno
sphere
Composition
oxygen, silicon,
aluminum, iron,
calcium,
magnesium
2.7g/cm3
to
3.3g/cm3
3.3g/cm3
to
5.7g/cm3
magnesium,
aluminum, silicon
Outer
Core
9.9g/cm3
to
12.2g/cm3
iron and nickel
Inner
Core
12.2g/cm3
to
13g/cm3
Iron and nickel
Mantle
Meso
sphere
Core
oCelsius
State
solid liquid
gas
1.
2.
3.
4.
5.
6.
0oC
to
1,000oC
solid
1,000oC
to
3,700oC
Solid,
but the
asthenosphere
flows
like
liquid
3,700oC
7,000oC
ASTHENOSPHERE
liquid
solid
Two
Other Facts
Oceanic crust
Continental crust
Where we live
thinnest layer
lithosphere floats
shell of the Earth
1. plastic like
2. moves
3. lower mantle
4. contains most of
the earth’s mass
1. magnetic field
2. heavy
3. spins
1. center of earth
2. hotter than
surface of Sun
CRUST
LITHOSPHERE
MESOSPHERE
OUTER CORE
INNER
CORE
MANTLE