Plate Tectonics
Earthquakes
Volcanoes 1
Volcanoes 2
Mountains
100
Alfred Wegener
Who proposed that the continents must have moved from their original position?
100
Epicenter
What is the name given to the center of the earthquake?
100
Magma
What is liquid rock under the Earth's crust called?
100
Silica
What is in a high content in Felsic lava?
100
Mountain Range
What is a group of adjacent mountains with the same general shape and structure called?
200
Pangea
What was the name given to the land that was a "supercontinent"?
200
P-Waves
What is another name given for primary waves that are fast and will pass through liquid, solids and gases?
200
Lava
What is magma that erupts onto the Earth's surface called?
200
Tephra (Pyroclastics)
What are volcanic rocks ejected from volcanoes called?
200
Fault Block Mountains
What is formed where faulting breaks the earth's crust into large blocks and the blocks are uplifted and tilted?
300
Panthalassa
What is the name given to the one ocean that surrounded the world?
300
Seismograph
What is the name given to the instrument that measures body waves?
300
Convergent and Divergent boundries
What area do the volcanic zones occur in?
300
Shield, Cinder and Composite (Stratovolcano)
What are the 3 types of volcanic cones?
300
Folded, Fault block, Grabens, Volcanic, Dome
What are 3 different types of mountains?
400
Divergence, transform and convergence
What three things may happen where plates meet each other?
400
Moho Layer
What is the boundry between the Earth's crust and the mantle called?
400
Ring of Fire
What is the area called where major volcanic zones are located in the Pacific ocean?
400
Craters
What is formed when material is blown out by volcanic explosions?
400
Circum-Pacific and Eurasian-Melanesian
What are the names of 2 main mountain belts?
500
Asthenosphere
What is the name given to the lower crust that is under great pressure and heat?
500
Animal behavior, fault movement, electrical current in rocks, tremors, water level in wells changes
What helps scientists predict an earthquake will occur?
500
Mafic, Flesic, and Pillow Lava
What are the 3 types of lava called?
500
Caldera
What is formed by an explosion or collapse of a volcanic cone?
500
Folded mountains.
What type of mountains are the Himilyeas?