How Volcanoes Work

What is the uppermost layer of the Earth?

• Hemisphere

• Lithosphere

• Dysonsphere

• Stratosphere

What kind of rock makes up the ocean floor?

• sedimentary

• metamorphic

• flint-stone

• igneous

Tags

NGSS.MS-ESS2-3

Igneous rock are formed by __________ or _____________.

• magma/lava

• sedimentary/metamorphic

• mantel/core

• iron/glass

What makes sedimentary rocks look differently than igneous rocks?

• They are shiny.

• They are dull.

• They have layers

• They are brown.

Most volcanoes exist at the boundaries of the enormous, rigid _________ ___________.

Tags

NGSS.MS-ESS2-3

Why do tectonic plates move?

• Because the changing conditions in the mantle.

• Because they float on the ocean water under them.

• To get away from the heat of the volcano

• To make room for new rock formations.

Tags

NGSS.MS-ESS2-1

What caused the formation of the Hawaiian Islands and the geysers of Yellowstone National Park?

• lava

• hot spots

• tectonic plates

• pressure points

Tags

NGSS.HS-ESS2-3

What is the first sign that a sleeping volcano is about to awake?

Why does magma flow differently down a volcano?

• It depends on weather conditions.

• It depends on the viscosity and the amount of dissolved gases in it.

• It depends on where it it located.

• The heat will make it flow down faster.

Tags

NGSS.MS-PS1-4

What has had a record temperature of 2,200 degrees Fahrenheit?

Tags

NGSS.MS-PS1-4