Alfred Wegener is best remembered for

Collected evidence to show that the continents have moved.

What land forms can be found at the boundary between the Nazca plate and South American Plate?

Fold Mountains, volcanoes and reverse faults

Define the concept of Ridge push.

Convection currents push the plate apart at a MOR.

When magma reaches the surface at a MOR it is around 1000 deg C. One source of this heat is:

Nuclear energy generated by the outer core

Which type of tectonic boundary has the least amount of volcanic activity?

Continent - Continent convergent boundaries

Define the concept of slab pull

Oceanic crust sinks into the mantle pulling on the plate.

The ocean basins of the Earth are relatively young because the plates that form them are:

Created in the middle of the plate & destroyed at the edges

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Earth and Environmental Science Module 2

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#Plate Tectonics

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Questions 13

Answers

1
What type of plate boundary is in the diagram?
Convergent
Conservative
Divergent
2
Alfred Wegener is best remembered for
Map ocean floor magnetic reversals
Suggest that the continents have never moved
Collected evidence to show that the continents have moved.
Developed absolute dating techniques using radioisotopes
3
What land forms can be found at the boundary between the Nazca plate and South American Plate?
Mid ocean ridges and reverse faults
Fold Mountains, volcanoes and reverse faults
Fold Mountains, volcanoes and normal faults
Mid Ocean Ridges and transform faults
4
What type of plate boundary is in the diagram?
Conservative
Convergent
Divergent
5
What type of plate boundary is in this diagram?
Convergent
Conservative
Divergent
6
Define the concept of Ridge push.
Convection currents push the plate apart at a MOR.
Convection currents push the dense slab into the mantle
Convection currents pull the plate apart at convergent spots
Convection currents pull the plates together at a MOR.
7
When magma reaches the surface at a MOR it is around 1000 deg C. One source of this heat is:
Nuclear energy generated by the mantle
Heat from the sun
Burning Iron
Nuclear energy generated by the outer core
8
What direction is the Australian-Indian plate moving?
South
North
West
East
9
Name the scientist/s who mapped the sea floor and noted the stripped pattern there.
Wegener
Hess
Glomar Challenger group
Vine and Matthews
10
Which type of tectonic boundary has the least amount of volcanic activity?
Ocean - Continent convergent boundaries
Divergent boundaries
Continent - Continent convergent boundaries
Ocean- Ocean Convergent boundaries
11
One of the effects of a converging plate continental-continental boundary is:
An active volcano that is part of a chain of active volcanos
A regular source of tsunamis.
Earthquake activity only
An active volcano
12
Define the concept of slab pull
Oceanic crust sinks into the mantle pulling on the plate.
MOR pulls apart the plates.
A rainbow puts pressure on the plate and they move.
Oceanic crust pulls plates apart by convection currents
13
The ocean basins of the Earth are relatively young because the plates that form them are:
Created at their opposite edges
Created at one edge and destroyed at the other
Created in the middle of the plate & destroyed at the edges
Destroyed at their opposite edges

Earth and Environmental Science Module 2 Flashcards | StudBud