Earth’s Changing Surface

including tectonics, earthquakes,volcanoes, tsunamis, and more

GAME!

A pool of water heated by nearbyunderground magma is a:

hot springs

Earth’s crust is broken into large pieces called:

plates

The theory that the continents havemoved so far over millions of years that they had to have once been connected is:

Contintental Drift

The point on the surface above wherean earthquake starts, where the earthquake is usually felt the most is:

epicenter

Which kind of eruption can give offa pyroclastic flow of ash, cinders, andboulders?

explosive eruption

This part of a volcano is the main exit for magma to reach the surface.

vent

What type of volcano forms fromlayers of ash and lava from both quiet and explosive eruptions?

composite

The ring of fire is an area around the Pacific plate where subduction has caused a lot of:

volcanoes

A machine that records the vibrations of an earthquake is a:

seismograph

What type of volcano forms fromthin layers of lava from quiet eruptions?

shield volcano

This part of a volcano is a large poolof hot molten rock from the mantle.

magma chamber

Which type of plate boundary canweaken the crust and form volcanoes?

subduction

If an island volcano collapses in, itcan create a:

atoll

This part of a volcano is the narrowcrack that brings magma to the surface.

pipe

Which type of plate boundary cancause earthquakes?

Transform / sliding

What do we call the strength of an earthquake?

the magnitude

What evidence was found to provethat there really used to be a supercontinent?

fossils

What do we call a volcano that is still likely to erupt?

active

Which kind of fault creates mostlysideways shaking?

strike-slip

The hot, molten rock that makesup the mantle is called ________once it reaches the surface:

lava

Magma trapped under the surface can create a bulge of rock called a:

dome mountainor volcanic bulge

What do we call a volcano that is not likely to erupt ever again?

extinct

Wegener called the supercontinentbefore the continents drifted apart:

Pangea

Earth’s surface can be changed by:

earthquakes, volcanoes, tsunamis, rivers, glaciers, tectonics

The hot, molten rock that makesup the mantle is called:

magma

What scale for rating earthquakesdo most people use today?

Richter scale

What happens when colliding ocean and continent plates weaken the crust, and magma breaks through?

a volcano forms

The crater of a volcano can collapse,forming a larger crater called a:

caldera

What do we call a volcano that hasnot erupted in a long time?

inactive or dormant

Water trapped underground and heated by nearby magma can buildup pressure and form a:

geyser

This part of a volcano is the bowlshaped mouth of the volcano.

crater

A break in the crust from plates sliding is called a:

fault

Which kind of eruption has thick,sticky lava that clogs the pipe andbuilds up pressure?

explosive eruption

Which type of plate boundary is moving America farther from Europe?

spreading/divergent

What type of volcano forms fromthick layers of ash from explosiveeruptions?

cinder cone

Which type of plate boundary canform mountains like the Himalayas?

convergent

Which kind of eruption causes mostof its damage by starting fires?

quiet eruption

Which kind of eruption has runny,fast flowing lava that oozes andpours out of the vents?

quiet eruption

The point where sliding plates catchand cause an earthquake is the:

focus

The study of the movement of Earth’s crust is:

tectonics