Science#1

Question 1

Openings or vents in the earth’s crust.

Answer 1

Volcano

Question 2

What are the two boundaries of two tectonic plates?

Answer 2

The Philippine Sea Plate and the Eurasian Plate

Question 3

Cloud of ash, lava fragments

Answer 3

Pyroclastic Material

Question 4

Funnel shaped central vent surrounded by bowl shaped depression

Answer 4

Crater

Question 5

Formed when part of wall collapses following explosive eruption

Answer 5

Caldera

Question 6

Sides radiates from main/central vent

Answer 6

Slopes

Question 7

Opening surface of volcano

Answer 7

Vent

Question 8

Magma and gases accumulate

Answer 8

Magma chamber

Question 9

Melted rock from fissures/volcano

Answer 9

Lava

Question 10

Undergound passage magma travels

Answer 10

Conduit

Question 11

Entrance of volcano, ejects lava volcanic ash

Answer 11

Throat

Question 12

Where is the parasitic cone located

Answer 12

A bit on the bottom left of the main vent

Question 13

Where is the throat located

Answer 13

Bottom of maim vent

Question 14

Where is the secondary vent located

Answer 14

Lower on the parasitic cone

Question 15

Where is the conduit located

Answer 15

Downer than the throat

Question 16

Where is the sill located

Answer 16

Bottom bit left of the throat

Question 17

What does PHIVOLCS stand for

Answer 17

Philippine Institute of Volcanology and Seismology

Question 18

Dome shaped

Answer 18

Shield volcano

Question 19

Are shield volcanoes explosive

Answer 19

No

Question 20

Steep, small, single openings

Answer 20

Cinder cone volcano

Question 21

Viscosity of Cinder cone

Answer 21

High

Question 22

Also called stratovolcano

Answer 22

Composite volcano

Question 23

Explosive fragments plus lava

Answer 23

Composite volcano

Question 24

Measure of material’s resistance to flow

Answer 24

Viscosity

Question 25

Relationship of temperature and magma to viscosity

Answer 25

Inverse

Question 26

Relationship of silica content to viscosity

Answer 26

Direct

Question 27

Volcano underwater mountain volcanic eruption crust viscosity

Answer 27

Word Bank

Question 28

One of the most active volcanoes in the world and almost constant state of activity

Answer 28

Mount Etna

Question 29

Molten materials oozes out of opening of volcano

Answer 29

Volcanic eruption

Question 30

Materials of volcanic eruption inclues

Answer 30

Lava ash, gases, and silica

Question 31

Steam blast eruption

Answer 31

Phreatic

Question 32

Ejects mixture without expulsion

Answer 32

Phreatic eruption

Question 33

What reaction is taal volcano

Answer 33

Phreatic and phreatomagmatic

Question 34

Well and magma

Answer 34

Phreatomagmatic reaction

Question 35

Ejects steam pyroclastic material at same time

Answer 35

Phreatomagmatic reaction

Question 36

Where did pelean originate

Answer 36

Mt. Peleé (Martinique)

Question 37

Glowing fast pyroclastic flow moves down slope of volcanoo

Answer 37

Pelean eruption

Question 38

Plinian eruption was named after Pliny the younger, who wrote about the eruption of what?

Answer 38

Mt. Vesuvius in Italy

Question 39

Excessively explosive eruption produces enormous columns, extensive ash fall

Answer 39

Plinian eruption

Question 40

What type of eruption is Mt.Pinatubo (1991)

Answer 40

Plinian

Question 41

Fountain lava

Answer 41

Strombolian eruption

Question 42

What type of eruption js Mt.Paricutin

Answer 42

Strombolian

Question 43

Paricutin in

Answer 43

Mexico

Question 44

Intermidiate violent eruption

Answer 44

Vulcanian

Question 45

Violent gun shot noises

Answer 45

Vulcanian eruption

Question 46

What type of eruption Sakurajima had

Answer 46

Vulcanian

Question 47

Calmest type of eruption

Answer 47

Hawaiian

Question 48

Fluid basaltic lava, fire fountaining

Answer 48

Hawaiian eruption

Question 49

What eruption is kilauea

Answer 49

Hawaiian

Question 50

Expulsion, glowing lava fragments

Answer 50

Pelean eruption

Question 51

Expanding steam

Answer 51

Phreatic eruption