Continental drift
Seafloor Spreading
Plate tectonics
Plate boundaries
Miscellaneous
100
This is a climate clue
What is glacial evidence on warm continents?
100
The flat area on the ocean floor, far from the middle of the ocean.
What is abyssal plain?
100
This is what GPS stands for.
What is global positioning system?
100
This plate boundary occurs at Mid ocean ridges.
What is a divergent boundary?
100
The country that Alfred Wegener was from.
What is Germany
200
This is a fossil clue
What is Glossopteris, discovered on multiple continents.
200
When compass needles point North.
What is normal polarity?
200
This is where most earthquakes and volcanoes occur.
What are plate boundaries?
200
When an oceanic plate meets with a continental plate this occurs.
What is subduction, (forming volcanoes)?
200
Define Pagaea.
What is a supercontinent that contained all land masses.
300
This is a rock clue
What are matching mountain ranges on different continents?
300
When magnetized objects reverse their orientation.
What is magnetic reversal?
300
This causes rising mantle to move plates away from the ridge.
What is ridge push?
300
The San Andreas Fault is an example of this boundary type.
What is a transform boundary?
300
The Cascade Mountains are on this type of boundary.
What is a oceanic/continental convergent boundary?
400
This is what Wegner lacked.
What is an explanation for HOW continents could move?
400
This is what scientists used to measure the magnetic signature in rocks.
What is a magnetometer?
400
As a slab sinks, it pulls on the rest of the plate with a force called...
What is slab pull?
400
The Himalayan mountain are on this type of boundary.
What is a continental/continental convergent boundary?
400
What mountain range in Europe matches up with the Appalachian mountains of North America?
What are the Caledonian Mountains?
500
This first piece of evidence for continental drift.
What is matching coastlines?
500
This rock contains iron rich minerals on the sea floor.
What is basalt?
500
This is thought to be the driving force behind plate tectonics.
What is convection currents?
500
Where two plates pull apart on continents you have a....
What is a rift valley?
500
These are rigid, cold, slabs of rock.
What are tectonic plates?
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