HMH- Between the Glacier and the Sea: The Alaska Earthquake

Front

What is the technique used to find the summary in nonfiction text?

Back

Look for headings, subheadings, and main ideas. It usually answers the questions: Who, What, Where, When, and Why.

Front

What caused the Alaska earthquake?

Back

Subducting plates under Alaska released pressure.

Front

What does a seismograph measure?

Back

It records and predicts earthquakes, as well as the magnitude, or size, of the earthquake.

Front

What happened to the town of Valdez during the Great Alaska Earthquake?

Back

The ground dropped nine feet, the town shifted sideways, and many buildings caught on fire.

Front

How do images and narration work together in videos about earthquakes?

Back

The images help viewers see and hear what happens during an earthquake, while the narration describes some of the science behind earthquakes.

Front

What is an earthquake?

Back

An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere.

Front

What is the magnitude of an earthquake?

Back

The magnitude is a measure of the energy released during an earthquake.

Front

What are tectonic plates?

Back

Tectonic plates are large sections of the Earth's crust that move and interact with each other, causing earthquakes.

Front

What is a tsunami?

Back

A tsunami is a series of ocean waves caused by any large and sudden disturbance of the sea, often related to underwater earthquakes.

Front

What is the role of a seismologist?

Back

A seismologist studies earthquakes and the movement of waves through the Earth.