Vocab
When two plates collide
What is convergent
There are ___ main layers of the Earth
What is four
Volcanoes and Earthquakes are usually located in relation to these
What is a plate boundary
Created the Continental Drift Theory
Who is Alfred Wegener
____________ are a result from the buildup of stress at a plate boundary
What is earthquakes
When two plates spread apart
What is divergent
Earth's outer layer is made of this
What is hard, solid rock
Mountains are usually a result of this...
What is a convergent boundary
Earth's plates initially looked like this
What are puzzle pieces
In our model, silly putty represented ________ and wooden blocks represented _________
What are the mantle and the crust
At mid-ocean ridges, what rises and hardens to form new crust
What is soft, solid rock
We hade discussed this many causes of surface change
What is 3
Volcanoes are usually a result of this...
What is a divergent boundary
Continental Drift Theory was not accepted because it did not explain this
What is how the continents moved
Used to measure the movement of tectonic plates
What is GPS
The area where two tectonic plates meet
What is a boundary
At convergent boundaries, the _____ plate goes into the mantle of the ____ plate.
What is older and younger
This is what causes the plates to move
What is convection belts in the mantle
What evidence have scientists found to support the theory of continental drift
What is fossils
How often or fast something happens
What is rate
When two plates slide past each other
What is transform
These are the two types of crusts
What are oceanic and continental
Plates move about this much in a year
What is 2 cm
Pangea existed this many millions of years ago
What is 250 million years ago
The equation to calculate rate
What is distance/time