Make up Qz Plate Tectonics

Front

The geological theory of _______ states that pieces of Earth’s lithosphere are in constant, slow motion.

Back

plate tectonics

Front

What are Tectonic Plates?

Back

The Plates that move the Continents

Front

What is Pangaea?

Back

The name of the super-continent that existed millions of years ago.

Front

Scientists think that convection currents flow in Earth’s _______.

Back

mantle.

Front

What idea describes that; "Earth's surface is broken into large pieces called plates that are constantly moving and changing at a very slow rate"?

Back

Plate tectonics

Front

What is the lithosphere?

Back

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

Front

What is continental drift?

Back

The hypothesis that continents have moved over geological time and were once joined together.

Front

What are convection currents?

Back

The movement of fluid caused by differences in temperature and density, driving plate tectonics.

Front

What is subduction?

Back

The process by which one tectonic plate moves under another plate and sinks into the mantle.

Front

What are deep-ocean trenches?

Back

Narrow, deep depressions in the ocean floor formed by subduction of tectonic plates.