Forces At Work
Mountains
Earthquakes
Volcanoes
More Volcanoes
Fill-In The Blanks
100

A force that acts on rock to change its shape or volume

a. compression

b. shearing

c. stress

d. tension

c. stress

100

Most common type of mountain

a. dome

b. fault block

c. fold

d. plateau

e. volcano

c. fold

100

Blocks move in opposite horizontal directions

a. normal fault

b. strike slip fault

c. reverse fault

b. strike slip fault

100

Pocket where magma collects

a. crater

b. magma chamber

c. pipe

b. magma chamber

100

A volcano that is not currently active but could become active (asleep)

a. active

b. dormant

c. extinct

b. dormant

100

Formed when a huge hole is left after the collapse of a volcano, usually after an eruption

caldera

200

Pulls on rock; forms mid-ocean ridges and continental rifts

a. compression

b. shearing

c. stress

d. tension

d. tension

200

When a fault block is raised up while pushing others down

a. dome

b. fault block

c. fold

d. plateau

e. volcano

b. fault block

200

Crust is being pulled apart

a. normal fault

b. strike slip fault

c. reverse fault

a. normal fault

200

Bowl shaped area around the central vent

a. crater

b. magma chamber

c. pipe

a. crater

200

Sloping sides and nearly circular base, such as Mauna Kea, Hawaii

a. Cinder Cone Volcano

b. Composite Volcano

c. Shield Volcano

c. Shield Volcano

200

Geothermal activity occurs when  magma, a few kilometers beneath Earth’s surface, heats underground __________________.  

water

300

Squeezes rock; forms mountain ridges, ocean trenches, and volcanic arches

a. compression

b. shearing

c. stress

d. tension

a. compression

300

When plates push the land without folding or faulting

a. dome

b. fault block

c. fold

d. plateau

e. volcano

d. plateau

300

Crust is being compressed

a. normal fault

b. strike slip fault

c. reverse fault

c. reverse fault

300

Tube that connects the magma chamber to the earth's surface

a. crater

b. magma chamber

c. pipe

c. pipe

300

Forms steep cone that is not very tall, such as Capulin Volcano, New Mexico

a. Cinder Cone Volcano

b. Composite Volcano

c. Shield Volcano

a. Cinder Cone Volcano

300

Fountain of water and steam that erupts from the ground when buildup of pressure is released

Geyser

400

Pushes rock in two opposite directions; forms transform faults and fault zones

a. compression

b. shearing

c. stress

d. tension

b. shearing

400

Magma pushes up to form a dome shape

a. dome

b. fault block

c. fold

d. plateau

e. volcano

a. dome

400

How many types of seismic waves?

3

400

A volcano that has recently erupted or will likely erupt

a. active

b. dormant

c. extinct

a. active

400

Forms in layers and is very tall, such as Mount Rainier, Washington

a. Cinder Cone Volcano

b. Composite Volcano

c. Shield Volcano

b. Composite Volcano

400

Formed when ground water is heated by a nearby body of magma or hot rock and eventually rises to the surface to collect in a natural pool

hot springs

500

Form as magma moves up forming new crust

a. dome

b. fault block

c. fold

d. plateau

e. volcano

e. volcano

500

How is the strength of earthquakes measured?

Richter Scale

500

A volcano that is not active and will not become active again (dead)

a. active

b. dormant

c. extinct

c. extinct

500

Also called stratovolcanoes

a. Cinder Cone Volcano

b. Composite Volcano

c. Shield Volcano

b. Composite Volcano

500

Water heated by magma can provide an energy source called geothermal energy. What are two things geothermal energy can be used for?

heat homes and make electricity