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Plate Tectonics

Author: TSW
Across
_________ Drift
Invented Time-Recording seismograph
Measures vibrations below Earth's surface
North American volcano
South American volcano
_______ of Fire
Melted rock
Where plates meet
Indonesian volcano
Measures potential hazard of earthquakes
Down
Result of moving plates
Caused by underwater earthquakes
Month of San Francisco earthquake in 1906
Location of earthquake on 12/04/1906
What lava erupts from
_________ Tectonics
Study of earthquakes
Suggested a machine could measure seismic activity
Proposed there was a super continent
Name of super continent