Plate Tectonics 1

Front

Tectonic plates “float” on

Back

the mantle.

Front

The cracks in Earth's crust are called ___________

Back

faults

Front

What was the name of the scientist who proposed Continental Drift?

Back

Alfred Wegner

Front

Lava that is still deep inside the earth is called ____________________________.

Back

magma

Front

The only liquid layer of the Earth is the

Back

outer core.

Front

What are tectonic plates?

Back

Large sections of the Earth's lithosphere that move and interact with each other.

Front

What is the theory of Plate Tectonics?

Back

A scientific theory explaining the movement of the Earth's plates and the processes that occur at their boundaries.

Front

What is a fault?

Back

A fracture in the Earth's crust where blocks of land have moved past each other.

Front

What is the lithosphere?

Back

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

Front

What is the asthenosphere?

Back

The semi-fluid layer of the mantle beneath the lithosphere that allows tectonic plates to move.