3rd Monthly Test

Question 1

A vent, hill, or mountain that erupts

Answer 1

Volcanoes

Question 2

Volcanoes are mostly found in the

Answer 2

Pacific Ring of Fire,

Question 3

another name for Pacific Ring of Fire,

Answer 3

Circum-Pacific Belt.

Question 4

monitors volcanoes in the philippines

Answer 4

PHIVOLCS

Question 5

meaning of PHIVOLCS

Answer 5

Philippine Institution of Volcanology and Seismology

Question 6

The side of the volcano

Answer 6

Flank

Question 7

Molten rock that erupts from a volcano and solidifies as it cools.

Answer 7

Lava

Question 8

Mouth of a volcano

Answer 8

Crater

Question 9

The highest part of a volcano

Answer 9

Summit

Question 10

The entrance; part of a conduit that ejects lava and ash

Answer 10

Throat

Question 11

fragments of lava and rock smaller than 2mm.

Answer 11

Ash

Question 12

A cloud of ash

Answer 12

Ash cloud

Question 13

Molten rock beneath the Earth’s surface.

Answer 13

Magma

Question 14

Underground passage magma travels through. It connects the magma chamber to the throat.

Answer 14

Conduit

Question 15

Flat piece of rock formed when magma hardens

Answer 15

Sill

Question 16

Bodies of magma that cut through and across the layering of adjacent rocks. Formed when magma goes through fractures and solidifies.

Answer 16

Dike

Question 17

Small cone shaped volcano formed by the accumulations of volcanic debris.

Answer 17

Parasitic Cone

Question 18

The actual opening where the lava and ash come from.

Answer 18

Vent

Question 19

Classification of A Volcano

According to Shapes

Answer 19

Cinder Cone, Composite, Shield

Question 20

Simplest type. Built from pyroclasts. Usually small.

Answer 20

Cinder Cone

Question 21

another name for Cinder Cone

Answer 21

scoria cones

Question 22

Formed when viscous andestic lava flows out of a vent for a very long time

Answer 22

Composite

Question 23

Cone is symmetrical. Explosive eruptions.

Answer 23

Composite

Question 24

Another name for composite volcanos

Answer 24

Stratovolcanoes

Question 25

Formed by less viscous basaltic lava.

Answer 25

Shield

Question 26

Dome shaped with a wide base.

Answer 26

Shield

Question 27

Volcanos according to eruption

Answer 27

Active, Dormant, Inactive/Extinct

Question 28

Driven by steam due to rapid heating beneath a volcano. Releases steam.

Answer 28

Phreatic

Question 29

Occurs when water interacts with magma.

Answer 29

Phreatomagmatic

Question 30

Fountains of either basaltic or andesitic lava.

Answer 30

Strombolian

Question 31

Steam, viscous lava, volcanic material that very quickly gows down.

Answer 31

Pelean

Question 32

Tall eruptions that go up to 20km high.

Answer 32

Volcanian

Question 33

Most destructive and violent eruptions.

Answer 33

Plinian

Question 34

Volcanic materials go more than 20km high and form an eruption column.

Answer 34

Pilinian

Question 35

Advantages of volcanic eruption

Answer 35

Cools down the Earth

Question 36

Comes from heat contained in fluids in rocks beneath the Earth.

Answer 36

Geothermal Energy

Question 37

geothermal energy is obtained by what

Answer 37

drilling wells

Question 38

The Philippines is the ??? producer of geothermal energy globally.

Answer 38

3rd largest prducer

Question 39

How is Geothermal Energy generated?

Answer 39

Thermal energy from earth, mechanical energy in turbine, mechanical energy in generator, electrical energy

Question 40

2 ways

Answer 40

Geothermal Powerplants Geothermal Heat pumps

Question 41

Where the heat of the Earth changes water into steam, then the steam turns a turbine.

Answer 41

Geothermal Power Plants

Question 42

Removes heat from the fluid in the Earth’s connection, concentrates it, then transfers it

Answer 42

Geothermal Heat Pumps

Question 43

Advantages of Geothermal Energy

Answer 43

Renewable, Sustainable, Environmentally friendly

Question 44

Disadvantaged of Geothermal energy

Answer 44

Trigger earthquakes Costly Environmentall PRoblems Location-restricted

Question 45

Geo comes from the word

Answer 45

Earth

Question 46

Therme comes from the word

Answer 46

Heat

Question 47

volcanos according to eruption

Answer 47

Active, Dormant extinct

Question 48

they have erupted at least once in the last past 10 000 years and are likely to erupt again

Answer 48

Active

Question 49

active but not erupting; however they are expected to erupt anytime soon

Answer 49

Dormant

Question 50

not had any eruption in the past 10 000 years and are expected not to erupt anymore in the future

Answer 50

Extinct / Inactive

Question 51

Eruptions can be classified as

Answer 51

effusive or explosive

Question 52

Give examples of active volcanos

Answer 52

Mayon, Hibok-Hibok and Taal

Question 53

low in viscosity and low in gas content

Answer 53

Effusive eruptions

Question 54

high viscosity and high gas content.

Answer 54

Explosive eruptions