Download Continent

To understand how plates move, here are more
details about the Earth’s crust:
Lithosphere- made up of the crust
and very top of the mantle- also
known as a tectonic plate
Asthenosphere- hotter, softer
layer of rock on which the
lithosphere rests.
Ocean crust is ______
Continent crust is ____
Label your drawing
Continental DriftAlfred Wegener said that the continents
used to be all together in one large
landmass called:
Pangaea
Evidence: Similar rocks
and
Similar fossils
on different continents
Can you create Pangaea?
The Seafloor is spreading apart
Mid-Atlantic ridge- underwater mountain range
formed by convection currents in the asthenosphere
1.
a.
b.
c.
Divergent Boundary
Ocean-ocean pulling apart
Forms underwater mountain range
Mid- Atlantic Ridge
1. Divergent boundary
a. Continent- continent pulling apart
b. Forms a rift valley
c. Africa- Great Rift Valley
2.Convergenta. ocean-ocean coming together
b. Forms a trench and subduction zone
Forms volcanic
islands
c. Japan
2.Convergent Boundary
moving together
a. Continent- continent
coming together
b. Forms mountains
c. Himalayas- Mt. Everest
2. Convergent Boundary
a. Ocean- continent
b. Forms a trench and volcanic mountains
c. Washington State and Andes mountains in
South America
3.Transform boundary
sliding past each other
b. Forms earthquakes
c. San Andreas Fault in California
Identify each drawing as
divergent, convergent or
transform