7th Grade Topics 6-7 Vocabulary

Front

A supercontinent made up of all the pieces of continental crust.

Back

Pangaea

Front

A scientific theory that explains how continents shift position on Earth's surface.

Back

Theory of Continental Drift

Front

An explanation of some aspect of the natural world, based on evidence.

Back

Scientific Theory

Front

A scientific theory that describes the movement of the crust.

Back

Plate Tectonics

Front

a movement that occurs when hotter things rise and cooler things sink.

Back

Convection Current

Front

Tectonic plates that are moving away from each other.

Back

Divergent Plates

Front

Tectonic plates that are moving towards each other.

Back

Convergent Plates

Front

A geological process in which oceanic crust moves under continental crust and sinks into the mantle.

Back

Subduction Plates

Front

Tectonic plates that slide past each other and rub.

Back

Transform Plates

Front

The region where two tectonic plates meet.

Back

Plate Boundary