Front

What causes the movement of Earth’s plates?

Back

Convection currents in the mantle.

Front

What is a Rock Forming Mineral?

Back

Any mineral that forms igneous, sedimentary, or metamorphic rocks and typically forms as part of rock-making processes.

Front

What geological feature is produced by a collision between two pieces of continental crust at a converging boundary?

Back

A mountain range.

Front

What technology was used in the mid-1900s to map the mid-ocean ridge?

Back

Sonar.

Front

Where does molten material rise during sea-floor spreading?

Back

Along mid-ocean ridges.

Front

What is the Earth's lithosphere?

Back

The rigid outer layer of the Earth, consisting of the crust and upper mantle.

Front

What is a tectonic plate?

Back

A large, rigid piece of the Earth's lithosphere that moves and interacts with other plates.

Front

What is the theory of plate tectonics?

Back

The theory that explains the movement of the Earth's plates and the processes that occur at their boundaries.

Front

What is a convergent boundary?

Back

A tectonic plate boundary where two plates collide, often forming mountains or trenches.

Front

What is a divergent boundary?

Back

A tectonic plate boundary where two plates move apart, often creating new oceanic crust.