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Plate Tectonics
Test Questions
Question | Answer |
---|---|
What two things make up a plate? | the upper mantle and continental crust |
When Pangaea split into two, what was the northern section called? | Lurasia |
What is the only mantle that can flow? | Mid-Mantle |
What can crust be ________ and_________. | Created and Destroyed. |
Which crust heavier, oceanic or comtinental? | Oceanic |
How many major plates are there? | 20 |
What kind of arcs are formed in the ocean? | Island Arcs |
What is the tecnical word for plate? | Lithosphere |
on adverage how much do plates move a year? | 1-10 cm |
The idea that the continents move wasn't believed untill what year? | 1900's |
In a hot spot, what moves creating The Ring of Fire? | the plates |
Give two examples of the mid-atlantic ridge. | It is the world's longest mountain range and is under water. |
What type of boundary is the Mid-Atlantic Ridge? | Divergent |
Give an example of transform boundary. | San Atreas in CA |
What happens at a convergent boundary? | they crash |
when oceanic plates meet and the older one goes under. you don't get....... | moutain ranges |
Waht happens when 2 continental plates crash? | mountian ranges form |
A fact abouta subduction zone.. | convergent boundary |
Hawii is an example of: | Hot Spots |
Another example of HOT SPOTS is: | yellowstone |
Give one example |