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Volcanoes and Plates

Magma Eruptions Landforms Essay Topics

Capture the Chapter

The _______________ is a belt of volcanoes around the

rim of the Pacific Ocean.

A 100

What is the Ring of Fire?

A 100

An area where magma melts through the crust in the

middle of a plate is called a(n) _____________.

A 200

What is a hot spot?

A 200

These form along the boundaries of Earth’s plates.

A 300

What are volcanic belts?

A 300

This volcanic formation occurs where two plates converge and subduction

causes crust to be melted in the mantle.

A 400

What is an island arc?

A 400

This is a weak spot in the crust where molten material

reaches Earth’s surface.

A 500

What is a volcano?

A 500

The molten mixture of rock-forming substances, gases, and water deep in Earth’s

mantle is called __________.

B 100

What is magma?

B 100

The more __________ that magma contains, the thicker

the magma is.

B 200

What is silica?

B 200

A substance that cannot be broken down into other

substances is a(n) ________.

B 300

What is an element?

B 300

A substance’s ability to burn is an example of a(n)

__________________.

B 400

What is a chemical property?

B 400

Pahoehoe and aa are produced during __________

eruptions.

B 500

What are quiet?

B 500

A(n) ________________ happens when an explosive eruption hurls ash, cinders, bombs, and gases out of a

volcano.

C 100

What is a pyroclastic flow?

C 100

Liquid magma flows upward through the crust because it is

_________ dense than the solid material around it.

C 200

What is less?

C 200

Inside a volcano, magma collects in a pocket called a

__________________.

C 300

What is a magma chamber?

C 300

DAILY DOUBLE

C 400

DAILY DOUBLE

Place A Wager

This is a physical property of magma from a quiet eruption.

C 400

What is flows easily, low silica content, low viscosity?

(any one of the above will do)

C 400

A volcano that is erupting or has shown signs that it may erupt in the future is called

_________________.

C 500

What is active?

C 500

A(n) ___________ is a wide, gently sloping mountain

made of hardened layers of low-silica lava.

D 100

What is a shield volcano?

D 100

A(n) _______________ forms when magma hardens

in a volcano’s pipe and is later exposed.

D 200

What is a volcanic neck?

D 200

Magma that forces itself across rock layers hardens to

form this.

D 300

What is a dike?

D 300

A(n) _______________ is hot water and steam that erupts from the ground.

D 400

What is a geyser?

D 400

When the top of a volcanic mountain collapses, a ____________ forms.

D 500

What is a caldera?

D 500

This is the energy derived from water that has been

heated by magma underground.

E 100

What is geothermal energy?

E 100

This is why explosive eruptions cause ash, cinders and bombs to be produced.

E 200

What is the lava that is ejected has a high viscosity

and silica content which forces it to be broken down as

it cools to form these particles?

(Accept reasonable answers)

E 200

This is how geothermal energy is used.

E 300

What is for heating homes as hot water and for creating

electricity by using steam to power turbines?

(Accept reasonable answers)

E 300

This is the main difference between a composite volcano and the type of volcano that forms the Hawaiian Islands.

E 400

What is the Hawaiian Islands are shield volcanoes made up

of thin layers of lava in a gently sloping mountain?

(Accept reasonable answers)

E 400

An earthquake changed the geysers at Yellowstone

National Park. Some geysers now erupt at different times than they did before. This is the reason why these changes

may have occurred.

E 500

What is the changes may have closed some channels in the rock and opened others or

may have widened or narrowed some channels?

(Accept reasonable answers)

E 500

A(n) _________________ is a mass of rock that formed

when a large body of magma cooled inside Earth’s crust.

F 100

What is a batholith?

F 100

Volcanic soils are fertile because they contain

____________.

F 200

What is phosphorus and potassium?

F 200

Layers of thin, runny lava that flow over a wide area

before they cool and harden can build up a ___________.

F 300

What is a lava plateau?

F 300

This is the type of volcano that forms when you have a

layer of ash, cinders, and bombs followed by a layer of

lava then more ash, cinders and bombs.

F 400

What is a composite volcano?

F 400

These are two factors that affect the force of a volcanic

eruption.

F 500

What are viscosity and silica content?

F 500

The Final Jeopardy Category is:

Geographic Places

Please record your wager.

Click on screen to begin

This is one of the three locations in the U.S. where batholiths are

found.

Click on screen to continue

What are the Idaho batholith, the Sierra Nevada batholith, or the

Baja batholith?

(any one of the answers is ok)

Click on screen to continue

Thank You for Playing Jeopardy!

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