science vocab2

Question 1

a small burst of shaking that occurs before a large earthquake.

Answer 1

foreshock

Question 2

The movement of Earth’s crust.

Answer 2

Earthquake

Question 3

A tremor that follows an earthquake.

Answer 3

aftershock

Question 4

The point below earth’s surface and where rock breaks or slips and causes an earthquake.

Answer 4

focus

Question 5

a region on earth’s surface that is broken and movement occurs.

Answer 5

fault

Question 6

the point on earth’s surface right above the focus of an earthquake.

Answer 6

epicenter

Question 7

an instrument that measures and records seismic waves.

Answer 7

seismograph

Question 8

seismic waves that travel through the interior of the earth.

Answer 8

body waves

Question 9

seismic waves that reach and travel along earth’s surface.

Answer 9

surface waves

Question 10

A scale that ranks earthquakes according to the SIZE of the seismic waves.

Answer 10

Richter Scale

Question 11

A scale that ranks earthquakes according to the energy released.

Answer 11

Moment Magnitude Scale

Question 12

A scale that rates the damage experienced by buildings, the ground, and people during an earthquake.

Answer 12

Modified Mercalli Scale

Question 13

A erupting vent through which molten rock and other materials reach earth’s surface.

Answer 13

volcano

Question 14

An underground melted rock

Answer 14

magma

Question 15

A location where magma collects inside earth.

Answer 15

Magma Chamber

Question 16

Magma that has reached earth’s surface.

Answer 16

Lava

Question 17

The bowl shaped impression formed by the collapse of a volcano after it has erupted.

Answer 17

Caldera

Question 18

A mound in the vent of an erupted volcano.

Answer 18

Resurgent Dome

Question 19

A pool of lava that has formed in a caldera.

Answer 19

Lava Lake

Question 20

A volcano that is erupting or has erupted recently.

Answer 20

Active volcano.

Question 21

A volcano that is not erupting now, but may erupt in the future.

Answer 21

Dormant volcano.

Question 22

A volcano that no longer erupts and is in the system of eroding.

Answer 22

extinct volcano

Question 23

Solid remains of magma that filled the conduit of an extinct volcano.

Answer 23

volcanic neck

Question 24

A flat and wide volcano that has as low-silica magma and lava with low or high levels of dissolved gas.

Answer 24

shield volcano

Question 25

A tall, explosive, cone shaped volcano formed by layers of silica-rich lava and ash.

Answer 25

composite volcano

Question 26

A volcano that has low silica magma lava with high levels of dissolved gas, they produce the fir fountains in eruptions.

Answer 26

cinder cone

Question 27

A destructive cloud of volcanic material that moves quickly down the side of a volcano after an explosive eruption.

Answer 27

pyroclastic flow.

Question 28

large pieces of glowing lava thrown from an explosive eruption.

Answer 28

lava bomb

Question 29

a mudflow that results from a volcanic eruption.

Answer 29

Lahar

Question 30

A region of Earth’s plate boundaries where oceanic crust is subducting under other plates.

Answer 30

Ring of Fire

Question 31

A series of volcanoes formed at a subduction zone.

Answer 31

Volcanic Island-arc.

Question 32

The top of a mantle plume.

Answer 32

Hot Spot

Question 33

A series of volcanic formed as a tectonic plates moves over the hot spot.

Answer 33

Volcanic Island Chain