Earthquakes

Front

What instrument measures the magnitude of an earthquake?

Back

A seismograph.

Front

What do we call the continuously moving parts of Earth's crust?

Back

Plates.

Front

What happens to seismic waves as they travel further from the center of an earthquake?

Back

They become weaker.

Front

What is the term for the place where two tectonic plates meet?

Back

Fault.

Front

What scale is used to measure earthquakes?

Back

Richter Scale.

Front

What is an earthquake?

Back

A sudden shaking of the ground caused by the movement of tectonic plates.

Front

What are tectonic plates?

Back

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

Front

What is the focus of an earthquake?

Back

The point inside the Earth where the earthquake originates.

Front

What is the epicenter of an earthquake?

Back

The point on the Earth's surface directly above the focus.

Front

What are seismic waves?

Back

Waves of energy that travel through the Earth as a result of an earthquake.