Boundaries
Continental Drift
Plates
Vocabulary
Random
100
Boundary that move horizontally past each other
What is transform
100
Created the Continental Drift Theory
What is Alfred Wegener
100
Earthquakes and Volcanoes are usually located in relation to these
What is plate boundary
100
The changing of Earth's magnetic field
What is magnetic reversal ( reversed poloraity)
100
The Himalayan mountains are the result of a ___________________________ boundary
What is convergent
200
When plates collide or come together
What is convergent
200
Name of matching plant fossils found in various continents
What is glossopteris
200
The mid-ocean ridge is an example of a ____________________ boundary and ___________________ occurs here where new ocean floor is formed.
What is divergent boundary; sea-floor spreading
200
the process when less-dense plates descends
What is subduction
200
_________________ are a result from the build up of stress at a plate boundary.
What is earthquakes
300
These plates move away from each other
What is divergent
300
Evidence of tropical fossil plants were found on this continent
What is Antarctica
300
This is the mechanism (what causes) the plates to move
What is convection currents
300
the weight of subducting plate being pulled down into a subduction zone is called
What is slab pull
300
A device used to study the ocean floor
What is magnetometer
400
Boundaries that the San Andres lies on
What is transform
400
Continental Drift Theory was not accepted because it did not explain this
What is how the continents moved
400
Name four of the major plates
What is any of the following North American plate, South American plate, Eurasian Plate, Indoaustralia plate, African plate, Antarctica plate
400
the history of Earth's magnetic field
What is Paleomagnetism
400
States that youngest rocks of ocean floor are at divergin boundaries, moving outward
What is seafloor spreading
500
Boundaries where rift valley forms
What is divergent
500
Glacial grooves were found in these continents
What is Africa, South America, India and Australia
500
The two types of convergent boundaries
What is subduction (where volcanoes often occur) and collision (where mountains are usually formed)
500
The rocks found in North america and in Europe are both similiar in
What is chemistry (composition) and age
500
Name of the aquatic reptile
What is Mesosaurus
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Plate Tectonics-Chap 17
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