Volcano Unit Review (Mixed)

High viscosity lava is ___.

• thick and pasty

• thin and pasty

• thick and runny

• thin and runny

Low viscosity lava would likely form a ____.

• composite volcano

• shield volcano

• stratovolcano

High viscosity lava would likely cause a(n) ___ eruption.

• explosive

• gentle

Gas cannot easily escape from ___ viscosity lava.

• low

• high

Dark colored, mafic rocks usually form from ___. (Check ALL that apply)

• high viscosity lava

• low viscosity lava

• shield volcanoes

• composite volcanoes

Check all the boxes related to light colored rocks found near composite/stratovolcanoes.

• high viscosity lava

• low viscosity lava

• mafic

• felsic

All volcanoes experience the same types of hazards (dangers).

• True

• False

Tags

NGSS.MS-ESS3-2

List 3 different ways ashfall following an eruption can cause problems.

Tags

NGSS.MS-ESS3-2

A _____ is a high speed mixture of gas, ash, rocks and hot lava blocks that can travel down a volcanic slope.

• lahar

• pyroclastic flow

• landslide

• lava flow

A volcanic mudflow that can be caused when seasonal rains mix with volcanic ash, debris and rock is called a ____.

• lahar

• pyroclastic flow

• lava flow

Tags

NGSS.MS-ESS3-2