Unit 4 Vocab : Level 2

Front

Earth's surface is cracked into moving plates.

Back

The Theory of Plate Tectonics

Front

Cracked Earth's surface is divided into these:

Back

Tectonic Plates

Front

Ocean floor is always growing wider.

Back

Sea Floor Spreading

Front

Land feature of high, folded rock.

Back

Mountain

Front

Land feature formed by rising magma.

Back

Volcano

Front

Land feature formed when one tectonic plate dives under another.

Back

Trench

Front

Land feature from tectonic plates sliding or cracking.

Back

Fault

Front

Land feature formed by separating plates, creating new sea floor.

Back

Mid-Ocean Ridge

Front

Plate boundary where two plates converge.

Back

Convergent Boundary

Front

Plate boundary where two plates pull apart.

Back

Divergent Boundary