Volcanic and Earthquake Concepts

Front

Which statement best describes how the Great Rift Valley in Africa formed?

Back

The rift valley formed when the crust pulled apart.

Front

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

Back

expanding gases

Front

Which statement best describes the volcanic eruption in Hawaii with lava flowing into the sea?

Back

Its magma has low viscosity.

Front

Which feature forms when magma cools beneath Earth’s surface?

Back

batholiths

Front

Which increases along faults and leads to rock breaking?

Back

stress

Front

Which statement describes seismic waves?

Back

They carry energy.

Front

Which statement describes the damage that results from earthquakes?

Back

Amount of damage can be used to determine intensity.

Front

Which is one step that geologists use to find the epicenter of an earthquake?

Back

They measure the difference between arrival of P waves and S waves.

Front

Which feature of Earth is created at mid-ocean ridges?

Back

new ocean floor

Front

Which is one piece of evidence of seafloor spreading?

Back

drilled core samples