Show:
Layers of the Earth
Continental Drift Theory
Plate Boundaries
Volcanoes
Lets Mix It Up
100
Crust
What is the thinnest layer of the earth?
100
Alfred Wegner
Who first presented the continental drift theory?
100
Divergent
What type of boundary is sea floor created?
100
This type of volcano has calm eruptions.
What type of eruption does a shield volcano have?
100
Iron and Nickel
What is the Earth's core mainly composed of?
200
Inner core, Outer core
What are the two layers of the core?
200
NO proof
Why was Alfred Wegner's theory over looked?
200
Subduction
What type of boundary is sea floor destroyed?
200
This type of volcano has violent eruptions.
What type of eruption does a cinder volcano have?
200
The movement of the plates can collide, divide, and move pant each other the erode, weather, create, and destroy features of the Earth.
How are land features shaped by plate tectonics?
300
Crust, mantle, Inner core, Outer core
What are the four layers of the Earth (both layers of the core)?
300
Transform
What type of boundary can produce earthquakes?
300
Plates move under each other to form a trench
What is subduction?
300
These volcanoes are formed by hot spots.
How are shield volcanoes formed?
300
crustal plate movement
What is the primary cause of volcanoes and earthquakes?
400
core
What is the hottest layer of the Earth?
400
Ocean-Ocean, Ocean-Continental, Continental-Continental
What are the three sub-types of convergent plate boundaries?
400
convergent
What type of boundary can produce volcanoes?
400
Subduction zones
How are composite and cinder volcanoes formed?
400
mountain range
What landform is created when two continental plates collide?
500
Crust
Other than the inner core what is the most solidified layer of the Earth?
500
The oceanic crust is denser
Why does the oceanic crust get subducted below continental crust?
500
Plates move on convection currents
What is plate tectonics?
500
Oceanic crust
On which type of crust is a shield volcano formed on?
500
Pangea
What is the most recent super continent that Alfred Wegner explained in his theory?