Earthquakes and Volcanoes Practice

A ____ often forms a mountain when layers of lava and volcanic ash erupt and build up.

• caldera

• volcano

• dike

• batholith

Tags

NGSS.MS-ESS3-2

The point in Earth's interior where the energy release of an earthquake occurs is the ____.

• focus

• epicenter

• fault

• inner core

Tags

NGSS.MS-ESS3-2

The magnitude of an earthquake is measured by the ____.

• Richter scale

• moho discontinuity

• modified Mercalli scale

• elastic limit

Which statement accurately describes a pyroclastic flow?

• Pyroclastic flows move at speeds of more than 100 km/hr and have temperatures over 2,000°C.

• Pyroclastic flows occur when the snow and ice of the summit are melted and mix with the ash and mud on the mountain.

• Pyroclastic flows move very slowly, and are rarely deadly.

• Pyroclastic flows move very quickly but are relatively cool.

Tags

NGSS.MS-ESS3-2

The map below shows a portion of Earth. The dots on the map represent areas of earthquake activity. In general, if Earth’s most active volcanic areas were indicated on the same map, where would these volcanic areas be located?

• at the North and South Poles

• mainly in the centers of the continents

• evenly distributed over Earth’s surface

• in the same areas as active earthquakes

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

Is there a pattern to the locations of earthquakes and volcanoes around the globe?

• No, earthquakes and volcanoes are random.

• Yes, earthquakes and volcanoes usually occur near the boundaries of tectonic plates.

• yes, earthquakes and volcanoes usually occur in the middle of tectonic plates.

• No, earthquakes and volcanoes usually occur under water.

Tags

8.ESS.2

What is the shaking of the Earth’s crust caused by a release of energy from the inner earth?

• Earthquake

• Epicenter

• Plate

Tags

NGSS.MS-ESS3-2

What is the shaking of the Earth’s crust caused by a release of energy?

• Earthquake

• Epicenter

• Fault

• Plate

Tags

NGSS.MS-ESS3-2

Volcanoes and earthquakes tend to occur near what?

• mountains

• islands

• plate boundaries

• fault lines

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

Match the following based on their definition.

• shield volcano

• Molten rock under Earth’s surface

• magma

• A volcano that releases thin lava

• cone volcano

• A movement of the ground caused by a sudden release of energy in Earth’s crust

• earthquake

• An volcano that can explode with thick lava and built up land

• lava

• Magma that reaches the surface