Science Vocabulary chapt 19
Terms
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- Collison Boundary
- (zone) A converging boundary that is formed when 2 lithosphere plates collide; when 2 continental plates collide they are welded in-2 a single, larger continent; When an oceanic and continental plates collide a trench with volcanic mountains form; when 2 oceanic plates collide a trench with an island arc forms
- Convection
- Transfer of heat energy in a fluid (gas or liquid)
- Converging or Convergent Boundary
- Forms when 2 lithosphere plates come together, or converge (collide)
- Crust
- this, outermost layer of the earth
- Divergent Boundary
- Also called a spreading center; where 2 adjacent plates are moving away from each other
- Earthquakes
- Vibration caused by the sudden movemeber of the earths crust
- Fault
- Block mountains, mountains formed from blocks of crust that have been faulted and tilted as the same time
- Fold
- Bend in rock with an anticline (up-fold) and suncline (down-fold)
- Inner core
- Solid, innermost center of the earth
- Lithosphere
- Outer solid shell of Earth that extends to a depth of about 100 km
- Mantle
- Layer of the Earth that extends from the bottom of the crust to the outer core
- Metamorphism
- Undersea mountain chain where new ocean floor is produced a constructuive (divergent) plate boundary
- Mid-Ocean Ridge
- Undersea mountain chain where new ocean floor is produced a constructive (divergent) plate boundary
- Outer Core
- Layer of the Earth surrounding the inner core; liquid iron and nickel
- Piedmont
- the largest physiographic province in virginia; bounded on the east by the fall zone and on the west by the mountains of the blue ridge