Science 7 Vocab Flashcard Plate Tectonics

Front

Layer of soft, solid rock below the lithosphere

Back

asthenosphere

Front

Movement of Earth's continents relative to each other

Back

Continental drift

Front

Transfer of heat via molecular movement

Back

Convection

Front

Tectonic plate boundary where plates collide and subduct.

Back

Convergent boundary

Front

Innermost layer of Earth, made of liquid outer core and solid inner core; mainly iron and nickel.

Back

core

Front

Layer of rock forming Earth's surface

Back

crust

Front

Mass/Volume; measure of matter in space

Back

Density

Front

Describes a species that once lived on Earth but no longer exists.

Back

extinct

Front

Evidence of an organism's past presence in an area

Back

Fossil

Front

Combination of Earth's inner/outer core, mantle, and crust

Back

geosphere