8th Grade Plate Tectonics Vocab Set #1 - Definition -> Term

Front

Liquid layer of Earth's core

Back

Outer Core

Front

Outermost, rigid layer of Earth divided into tectonic plates.

Back

Lithosphere

Front

Tension pulling rocks apart leads to:

Back

Normal Faults

Front

Outermost layer of the Earth.

Back

Crust

Front

Center of the Earth

Back

Core

Front

Pieces of the lithosphere:

Back

Tectonic Plates

Front

Theory that continents can drift apart.

Back

Continental Drift

Front

New oceanic lithosphere is created as older materials are pulled away.

Back

Sea Floor Spreading

Front

Region where oceanic plates sink into the asthenosphere.

Back

Subduction Zone

Front

Theory that Earth's lithosphere is divided into tectonic plates moving on the asthenosphere.

Back

Plate Tectonics