Alfred Wegener
How many types of evidence did Alfred Wegener use
3
layer located in the middle mantle but not in the crust
asthenosphere
What is the name of the super continent
Pangaea
After what Scientist's theory did they start to believe in Wegener's theory
Harry Hess
What did people think of Alfred Wegener when he shared his theory
Crazy
When did Alfred Wegener begin his theory
1912
heating up earth crust in circular motion
convection currents
type of boundary made the San Andres Fault
What is transform boundary
How many major plates combine more than one continent
2
Why was Wegener's theory rejected
Scientists did not feel he was qualified to speak on the matter, didn't make sense
Continents seem to fit together ( what type of evidence)
Jigsaw or Puzzle pieces
which boundary type has 3 different formation
Convergent
type of crust collided to form the Mariana Trench
Oceanic to oceanic
Where did Wegener go on his expedition
The Arctic Circle or Greenland
What did Alfred Wegener's theory prove
Continents drift
Type of evidence that matched plants and animals to different continents
Fossil evidence
What is another name for Pangea
Supercontinent
WHat evidence proved this thoery correct. Person and info learned needed in answer
Who is Howard Hess and he was taking sonar of sefloor during WWII that proved convection currents moved plates
What was Harry Hess's theory called
Seafloor spreading
Type of evidence used to show that rock type and age match on multiple continents
mountains matching
What are the names of the 7 continents
N. America, S. America, Europe, Asia, Africa, Australia and Antarctica
subduction zone
Movement of plates going under and over one another; recycling of crust