Wegner's theory
The name of the supercontinent Wegner proposed
Pangea
Name the 4 layers from inside to outside
Inner core, outer core, mantle, crust
Scrape past each other
Which boundary and crust types cause Rift Valleys?
Divergent continental - continental crust
How old is Mr Saye
34
The 4 pieces of evidence Wegner had for his theory
Shape, Fossils, Climate, Geology (rock)
which layers of the Earth are considered liquid or semi-liquid?
Mantle, outer core
How do convergent boundaries move?
Plate move towards each other and collide
What forms a mid ocean ridge? (boundary and crust type)
Divergent boundary with oceanic crusts
What is the name for a collective of crows?
A Murder
What have we discovered that Wegner did not know about that is the driving force for moving continents/crust of Earth?
Convection Currents
How deep into the Earth in km have humans drilled?
12km
The convection currents below a divergent plate must be flowing in ...............
opposite directions
When two crusts collide at the point where subduction occurs between 2 plates what forms below the ocean?
A Trench
The Lord of the Rings
Give an example of how climate evidence proved Wegner's theory
(can explain either coal deposits or glacial Scratches accurately)
Lithosphere Asthenosphere
Lithosphere floats on the asthenosphere
Explain the differences between the types of crust
continental - Thicker and less dense
Oceanic - Thinner and more dense
Transform boundaries cause what to form on the crust?
A Fault line
Which artist painted Starry Night
Vincent Van Gogh
In what year did Wegner propose his theory?
1912
What two metals make up the inner core?
Which type of boundary destroys crust?
Convergent
When two oceanic crusts collide, which one would subduct?
The Older Crust
Which city will host the 2032 Olympics?
Brisbane