Volcanoes Quiz Review

When molten rock cools and becomes solid it is called:

• sedimentary rock

• igneous rock

• metamorphic rock

Molten rock underground is called:

• lava

• magma

• igneous rock

Molten rock erupted from a volcano is called:

• lava

• magma

• igneous rock

Volcanoes formed by eruptions of lava that cool and form layers - like the lab we did in class - are called ___ volcanoes.

• cinder cone

• shield

• composite

Depending on its silica content, lava can be "runny" and flow quickly downslope or "thick" and flow more slowly. This property is called:

• density

• viscosity

• flow rate

Composite volcanoes (a.k.a. stratovolcanoes) erupt lava that is rich in silica and dissolved gases. Because of this, these volcanoes have ___ eruptions.

• quiet

• explosive

• effusive

Hawaiian volcanoes are made from eruptions of lava with a low silica content. Because of this, these eruptions form ___ volcanoes.

• shield

• cinder cone

• composite

The last volcano to erupt in the contiguous (lower 48) United States was ___, in Washington State.

• Mt. Ranier

• Mt. McKinley

• Mt. St.Helens

Tags

NGSS.MS-ESS3-2

Which of the following is the most dangerous?

• ash

• pyroclastic flows

• lava flows

Tags

NGSS.MS-ESS3-2

Where in Michigan can you find layers of igneous rock exposed at the surface?

• In the Upper Peninsula

• In the Lower Peninsula

• in both locations