Volcano And Earthquake Review

Question 0

Focus

Answer 0

Location along the fault where the earthquake begins

Question 1

Fault

Answer 1

A place where 2 bodies of rock slide against each other

Question 2

Epicenter

Answer 2

Location on the surface of the earth directly above the focus.

Question 3

Elastic Rebound

Answer 3

When deformed rock snaps back to its original formation after an earthquake

Question 4

Magnitude

Answer 4

The measurement of ground movement by an earthquake

Question 5

Intensity

Answer 5

What is felt and the date that is caused by an earthquake at different locations.

Question 6

Body Wave

Answer 6

Seismic waves that travel only on the interior of the earth

Question 7

Surface Wave

Answer 7

Seismic waves that travel the surface through the surface of the earth.

Question 8

True or False. Earthquakes occur along faults.

Answer 8

True

Question 9

True or False. Earthquakes can only occur along tectonic plates boundaries.

Answer 9

False. They can also occur inside the plates as well but they are more frequent along the plate boundaries

Question 10

Primary Waves

Answer 10

Fastest, push pull (compression and expansion of rock)

Question 11

Secondary Waves

Answer 11

Second fastest , side-to-side

Question 12

What are the 2 types of surface waves and body waves?

Answer 12

Surface waves- Love and Rayleigh

Body Waves- Primary Waves and Secondary Waves.

Question 13

How does water and silica-rich magma affect a volcanic eruption?

Answer 13

As you increase water or silica rich magma you increase the like hood of an explosive eruption.

Question 14

What are the 3 types of Volcanoes?

Answer 14

Composite-formed from explosive and non explosive eruptions
Shield- formed from non explosive eruptions.
Cinder Cone-formed from mild explosive eruptions.

Question 15

What are the four types of pyro clastic material?

Answer 15

Ash, Lapilli, bombs, and blocks

Question 16

What are the 4 types of lava?

Answer 16

Aa, pahoehoe, pillow, blocky

Question 17

Viscosity

Answer 17

How a liquid or lava flows.

Question 18

Active

Answer 18

A volcano that is currently erupting.

Question 19

Dormant

Answer 19

A volcano that has erupted in modern history but is not erupting now

Question 20

Extinct

Answer 20

A volcano that has not erupted in modern history.

Question 21

What are the 3 types of volcano landforms?

Answer 21

Volcanic plateau, crater, caldera

Question 22

What’s the difference between magma and lava?

Answer 22

Magma- molten rock inside the earth

Lava-molten rock on the surface of the earth.

Question 23

What’s the difference between an explosive and a non explosive?

Answer 23

Explosive- pyroclastic material is shot in the air.

Nonexplosive- when lava oozes out of a volcano.