Continental Drift
Plate Tectonics
Earthquakes
Volcanoes
Prefix
100
When magma rises from the mid-ocean ridges, pushing the seafloor.
What is sea floor spreading?
100
Plate boundary with the strongest earthquakes?
What is transform boundary?
100
Liquid rock under the Earths surface.
What is magma?
100
"Two"
What is di?
200
Three evidences for continental drift?
What is the fossil record, rock formations, climate change.
200
Number of major plates
What is 15?
200
The point on Earths surface directly above the earthquake origin?
What is the epicenter?
200
When magma erupts from the Earth's surface, it has a new name:
What is lava?
200
"Across"
What is trans?
300
Scientist who hypothesized the continents were once a super continent
Who is Wegner?
300
How plates are identified.
What is earthquakes/volcanic activity?
300
Location within Earth where the motion first occurs.
What is the focus?
300
Areas with volcanoes found far away from plate boundaries.
What are hot spots?
300
"with"
What is con?
400
Evidence for evolution - 270 myo fossil found in South American and Africa.
What is Mesosaurus?
400
When two plates move away from each other?
What is divergent boundary?
400
Measures the strength of an earthquake by measuring ground motion?
What is the Richter scale?
400
When pressure is removed from the rock it causes the melting point to __________.
What is decrease?
400
"all"
What is pan?
500
Discovery that validated the hypothesis of continental drift.
What is mid-ocean ridges/seafloor spreading?
500
When two plates move towards each other?
What is convergent boundary?
500
The _______ the number on the moment magnitude scale, the stronger the earthquake.
What is larger?
500
Zone where many volcanoes are located.
What is a subduction zone?
500
"old" or "ancient"
What is paleo?
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