8th gr Science Spring Semester Test Review

Front

The driving force behind plate tectonics.

Back

convection currents

Front

Only liquid layer of Earth

Back

Outer core

Front

Rock that forms when another type of rock undergoes physical and chemical changes due to heat and pressure.

Back

Metamorphic

Front

Plate boundary in which plates pull apart forming rift valleys and mid-ocean ridges.

Back

Divergent

Front

Rock that forms when molten rock cools and hardens.

Back

Igneous

Front

Upper mantle and crust that is broken into tectonic plates.

Back

Lithosphere

Front

Rock that forms from compaction and cementation.

Back

Sedimentary

Front

Any process that destroys or wears down surface features.

Back

Destructive

Front

Plastic-like layer of Earth on which the tectonic plates move

Back

Asthenosphere

Front

Crust that is composed mainly of granite.

Back

continental