Spheres & layers
Tectonic plates
Vocab
Describe
100
Semi Rigid part of the middle mantle
Asthenosphere
100
Plate boundaries are either
Divergent, Transform, or Convergent
100
Largest layer of the earth is the
Mantle
100
Describe the core
large ball make of nickel and iron in the middle of the earth
200
The continental crust is mostly
Granite
200
Magma pushes up toward the surface and pushes plates apart
What is Divergent plate boundaries
200
Middle of earth made of nickel and iron
Core
200
Describe how the world was millions of years ago
all the continents were together called a giant land form called pangea
300
Oceanic Crust is mostly
Basalt
300
Friction between plates causes
Earthquakes
300
Sponge like formation of rock, sand, or gravel
Aquifer
300
Describe how a land form is made
When 2 plates collide and both go up
400
All of the rock below earths surface
What is Geosphere
400
When a plate slides beneath the other is
subduction
400
Thin layer of rock that surrounds earth
Crust
400
Describe how a volcano is made
Plate that slid under becomes heated back into magma and forms a volcano on the top plate
500
Sphere of earth made up of the hard rock on and just below earths surface
What is Lithosphere
500
What can be made when a plate collides with another?
Mountains
500
Rigid layer of the lithosphere
Tectonic plates
500
Describe what Deposition does
Its the movement of Soil and accumulation of eroded soil
M
e
n
u