Volcanoes

Point A is located at

• 100ºN. 28ºE

• 100º 32º

• 28ºN 100ºW

• 100ºW 28ºN

The lines that go up and down the earth are lines of

• latitude

• longitude

A volcano

• is a mountain that shoots lava out the top at least every 200 years

• is an opening in Earth's crust where lava and gas can or has escaped

• has to be above the waters surface

• can only have one vent

Molten rock that reaches Earth's surface is called

• magma

• lava

• cinders

• ash

Only active volcanoes get larger over time

• True

• False

Volcanoes form at (select all that apply)

• divergent boundaries

• convergent boundaries

• transform boundaries

• hot spots

Tags

NGSS.MS-ESS2-3

At what location does molten rock change from magma to lava

• vent

• pipe

• magma chamber

• batholith

One cause of an eruption could be increased pressure in. the magma chamber

• true

• false

Increasing the amount of gas bubbles in the magma chamber will

• prevent an eruption

• cause the magma to be thicker

• cause a more explosive eruption

• make the magma hotter

Tags

NGSS.HS-ESS2-3

Magma with low silica content is more runny which will result in

• eruptions that happen more often

• quiet eruptions

• explosive eruptions

• calderas