Volcanoes & 'Quakes

Front

What is a magma chamber?

Back

An underground pocket of molten rock.

Front

What is the primary cause of earthquakes according to the Elastic Rebound Theory?

Back

Friction between tectonic plates.

Front

Which type of volcano is considered intermediate in size?

Back

Composite Cone.

Front

Which of the following is not a benefit of volcanoes?

Back

Erosion of land.

Front

Which scale is used to measure the intensity of an earthquake based on observed effects?

Back

Mercalli scale.

Front

What is a volcano?

Back

An opening in the Earth's crust where molten rock, ash, and gases escape.

Front

What are tectonic plates?

Back

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

Front

What is the difference between a shield volcano and a composite volcano?

Back

Shield volcanoes have gentle slopes and are primarily built from lava flows, while composite volcanoes have steeper slopes and are formed from alternating layers of lava and ash.

Front

What is lava?

Back

Molten rock that erupts from a volcano.

Front

What is the Richter scale?

Back

A scale that measures the magnitude of an earthquake based on seismic waves.