Module 24 Flashcards
Quiz (28 cards)
Ocean Plate + Ocean Plate?
subduction
Ocean Plate + Continental Plate?
O Plate subducts
Continental Plate + Continental Plate?
Both upwards
Boundary that both move away?
Divergent Boundary (seafloor spreading)
Boundary that one goes below?
Convergent (mountains, volcanoes)
Boundary that both move along side?
Transform fault (earthquakes)
Parts of Earth from inner to outer?
Solid inner core, liquid outer core, mantle, crust
Lithosphere?
Solid upper mantle and crust
Mantle?
Asthenosphere and lithosphere
Hot spots?
where molten material reaches the lithosphere
Tectonic cycle?
Sum of process that build and break down the lithosphere
Seafloor spreading?
formation of new ocean crust
Fault?
Fracture in rock
Fault Zone?
crevice where a fault occurred
Epicenter?
point on the surface exactly above the center of an earthquake
How earthquakes are measured?
Richter Scale
Intrusive igneous rock?
igneous rock that forms and cools underground from magma
Extrusive igneous rock?
igneous rock that forms when magma cools above ground
Fracture?
a crack appearing when rock cools
How sedimentary rock is formed?
Compression of sediments
How igneous rock is formed?
Magma cools
How metamorphic rock is formed?
heat and pressure of any of the rock types
Evidence for Pangea?
Identical rock formations and fossils of same species on different continents
Example of extrusive igneous rock?
Obsidian
