Extra Vocabulary
Short Answer
Vocabulary
Random
Random2
100
A large landmass hypothesized to have broken apart about 200 million years ago into large continents
What is Pangaea
100
What is the difference between the 3 plate boundarys
What is Divergent- comes apart, convergent- comes together transform- moves past eachother
100
Outermost layer of earths surface
What is crust
100
Behind the puzzle like fit of continents always provided_______- for the continental drift
What is support
100
Seafloor spreading helps explain how_______ moved apart
What is continents
200
Area where the oceanic plate goes into the upper mantle
What is Subduction zone
200
How are convection currents the cause of plate tectonics
Because of the cycle that convection currents make
200
Sections of earths crust and upper mantle
What is Plates
200
As the seafloor spreads apart,__________ is forced upwards.
What is magma
200
T or F- The continents were once all connected
What is True
300
Boundary between 2 plates that are moving apart
What is Divergent Boundary
300
What occurs at plate boundaries that is associated with seafloor spreading
Th;e plates move apart and there are rift tight eruptions
300
Theory that states that the earths crust and upper mantle are broken into sections which move aound on a special layer of the mantle
What is Plate tectonics
300
Convection currents is a________-
What is cycle
300
T or F- There are 3 plate boundaries
What is True
400
Sensing device that detects magnetic fields
What is Magneto meter
400
What are some evidence of the continental drift
Puzzle like fit of the continents, fossils found in similar areas, weather
400
Plasticlike layer of earths surface below the lithosphere
What is Asthenosphere
400
scientists could only study_________ of rocks on the seafloor
What is magnetic characteristics
400
T or F The continental drift and Seafloor spreading are both the same thing
What is False
500
rigid layer of earths crust and upper mantle
What is Lithosphere
500
The earth is thought to be__________ of plate tectonics
Force
500
Occurs when 2 plates slide past eachother
What is Transform boundary
500
What is a divergent boundary
boundary where plates move apart
500
T or F-IDK
False
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