Volcanoes and Earthquakes Assessment

The epicenter of an earthquake is

• The point below the surface where rock begins to break and the first motion occurs
• The seismic station closest to the earthquake
• The place where the greatest damage occurs
• The point on the surface directly above the focus

Tags

NGSS.MS-ESS3-2

Which travels fastest, always being the first detected by seismic stations?

• P waves
• S waves

Tags

NGSS.MS-PS4-1

An instrument that detects and measures earthquakes is a 

• seismogram
• focus seismic map
• focus
• seismograph 

Many earthquakes happen along the borders of...

• Countries

• Tectonic Plates

• Climate Zones

• None of the above.

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

Before molten rock reaches the surface it is called

• rock

• magma

• volcanic ash

• lava

Lava that is very thin and runny

• has low silica content

• is high in silica

A bowl shaped area that may form at the top of a volcano around the central vent

• crater

• vent

• tube

• leftovers

A broad volcano that has gentle sloping sides and is formed from runny lava

• Shield volcano

• Cinder cone

• Composite

• None of these

When an explosive eruption  forms a mixture of hot rock, ash, and gas, this material is called a...?

• Land slide
• Lava
• Eruption trail
• Pyroclastic flow

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

A small volcano that has steep sides and is formed from lava fragments is called

• a shield volcano

• a cinder cone volcano

• a composite volcano