Rapid Changes in the Earth's Surface 3.7B & 3.7C

Front

What is a main feature of plains?

Back

A flat, level surface.

Front

What usually causes an earthquake?

Back

The movement of Earth's plates.

Front

What event caused by an earthquake can rapidly change Earth's surface?

Back

Tsunami.

Front

What landform is most like the bottom of a canyon?

Back

A valley.

Front

What do seismometers measure?

Back

Earthquakes.

Front

What is the definition of a tsunami?

Back

A large ocean wave caused by underwater earthquakes or volcanic eruptions.

Front

What are tectonic plates?

Back

Massive slabs of Earth's lithosphere that move and interact at their boundaries.

Front

What is the process called when rivers wear away land to form canyons?

Back

Erosion.

Front

What is the difference between a valley and a canyon?

Back

A valley is a low area between hills or mountains, while a canyon is a deep gorge formed by erosion.

Front

What instrument is used to detect seismic waves?

Back

Seismometer.