Understanding Plate Tectonics

Front

Plate Tectonics

Back

Theory explaining Earth's surface movement

Front

Earth's Crust

Back

Outer layer of Earth, made of plates

Front

Tectonic Plates

Back

Large slabs of Earth's lithosphere

Front

Lithosphere

Back

Rigid outer part of Earth, includes crust and upper mantle

Front

Asthenosphere

Back

Semi-fluid layer beneath lithosphere

Front

Convergent Boundary

Back

Plates move towards each other

Front

Divergent Boundary

Back

Plates move apart

Front

Transform Boundary

Back

Plates slide past each other

Front

Subduction Zone

Back

One plate sinks beneath another

Front

Mid-Ocean Ridge

Back

Underwater mountain range, divergent boundary