Front

What forms when an ocean and plate boundary meet?

Back

Deep Ocean Trench

Front

Where do Earthquakes usually occur?

Back

The boundaries between continents and oceans

Front

Why do tectonic plates move?

Back

The heat from the inner layers of the earth melts the mantle that the tectonic plates sit on and creates a convection current.

Front

What is a break in Earth's crust called?

Back

Fault

Front

What are the sections called that the lithosphere (crust) is broken into?

Back

Plates

Front

What is the outer layer of the Earth called?

Back

Lithosphere

Front

What is the layer of the Earth beneath the lithosphere?

Back

Asthenosphere

Front

What is a tectonic plate?

Back

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

Front

What is a volcano?

Back

An opening in the Earth's crust where molten rock, ash, and gases can escape.

Front

What is a rift?

Back

A crack in the Earth's crust where tectonic plates are moving apart.