Journey
Super
Source
Dishes
Grab Bag
100
The study of planet Earth.
What is Geology?
100
"all lands"
What is Pangea?
100
The process that continually adds new material to the ocean floor.
What is sea-floor spreading?
100
Broken pieces of the lighosphere.
What is a plate.
100
Theory that pieces of Earth's lithosphere are in constant motion.
What is the plate tectonic theory?
200
The three main layers of the Earth.
What is the crust, mantle, and core?
200
Idea that the land masses slowly moved.
What is continental drift?
200
Long chain of mountains mapped by sonar.
What is the mid-ocean ridge?
200
A well-tested concept that explains a wide range of obeservations.
What is a theory?
200
Scientist that developed the continental drift theory.
Who is Alfred Wegener?
300
The uppermost part of the mantle and crust.
What is the lithosphere?
300
Any trace of an ancient organism that has been preserved in rock.
What is a fossil?
300
Process by which the ocean floor sinks.
What is subduction?
300
A deep area that forms where crust spreads apart.
What is a rift valley?
300
Reason many scientists rejected the continental drift theory at first.
What is no satisfactory explanation for the force that pushes the continents?
400
Cause of the Earth's magnetic field.
What is the spinning of the inner core?
400
Fern evidence found in many parts of the world.
What is Glossopteris?
400
Deep area in the ocean where plates come together.
What is a trench?
400
Breaks in the Earth's crust.
What is a fault?
400
Material in the core of the Earth.
What is metal?
500
Waves used by geologists to determine Earth's interior.
What are seismic waves?
500
Three types of heat transfer.
What is radiation, conduction and convection?
500
Three major pieces of evidence for the moving apart of the ocean crust.
What are molten material, magnetic strips and drilling samples?
500
Three types of boundaries?
What is divergent, convergent and transform?
500
Soft layer of the mantle.
What is the asthenosphere?
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