Plate Tectonics

What is the best way to describe the earth's crust?

Earth's plates meet at:

A(n)______________  occurs when rocks break & slip along a fault in the earth.

Places where tectonic plates move apart are called:

Pangaea was a supercontinent that existed about 200 million years ago.

Alfred Wegener was a ___________ scientist.

Plates moving away from each other:

The currents responding for making the lithosphere move are called:

Continental drift is the  ____________ that explains the movement of the continents.

When part of Earth's crust breaks, _____________ waves pass through Earth.

What causes earthquakes?

The Himalayas were formed by what process?

What evidence supports the theory of continental drift?

Theory that Earth's top layer is divided into plates that are moving at a slow, constant speed.

Large ancient land mass that was composed of all the continents joined together

The movement of tectonict plates form what kind of boundaries?

The San Andreas fault is an example of what kind of boundary?

What is the motion of the Earth's plates?

Where on Earth's surface are volcanoes and earthquakes most likely to form?

Do scientists have the power to predict earthquakes or natural disasters.

Continents were moving apart from each other due to magma rising out of mid-ocean ridges

_____________ currents drive the Earth's plates.

What is the name of the scientist who developed the continental drift theory?

Shifting pieces of the Earth's crust are called:

A long narrow crack in the Earth's crust is called a(n)?

Wegener's idea became known as: