science

Question 1

What is the other name of the Pacific Ring of Fire?

Answer 1

Circum-Pacific Belt

Question 2

Volcano comes from the Italian word….

Answer 2

vulcano, which means “burning mountain,”

Question 3

Driven by steam due to rapid heating beneath a volcano. Releases steam. They often precede or accompany another type of volcanic eruption.

Answer 3

Phreatic

Question 4

Removes heat from the fluid in the Earth’s connection, concentrates it, then transfers it into a building.

Answer 4

Geothermal Heat Pumps

Question 5

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

Answer 5

Geothermal Power Plants

Question 6

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

Answer 6

Conduit

Question 7

How did a volcano form?

Answer 7

1. Magma beneath the Earth’s surface causes pressure. The pressure causes cracks in the rocks.
2. The magma reaches the surface.
3. The magma ejects lava flow and ash deposits.
4. Over time, it will cool down and solidify.
5. It will continue to eject lava until it gets bigger and bigger.

Question 8

The highest part of a volcano.

Answer 8

Summit

Question 9

Other name for Cinder Cones

Answer 9

Scoria Cones

Question 10

Fountains of either basaltic or andesitic lava. This eruption creates eruptive products such as scoria (hardened chunks of bubbly lava) and lava bombs

Answer 10

Strombolian

Question 11

A vent, hill, or mountain that erupts, releasing molten rocks, rock fragments, and gaseous materials onto Earth’s surface.

Answer 11

Volcano

Question 12

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

Answer 12

Geothermal Energy

Question 13

Molten rock beneath the Earth’s surface.

Answer 13

Magma

Question 14

How do Geothermal Power Plants work?

Answer 14

• Hot water is pumped from underground. (Thermal energy)
• The steam from the hot waters turns a turbine. (Mechanical energy)
• The turbine turns the generator. (Mechanical energy)
• Electricity then goes to a grid. (Electrical energy)

Question 15

Ranking of the Philippines in Geothermal Energy worldwide

Answer 15

3rd

Question 16

These volcanoes have not had any eruption in the past 10 000 years and are expected not to erupt anymore in the future. These volcanoes have been intensively weathered and eroded.

Answer 16

Extinct

Question 17

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

Answer 17

Dike

Question 18

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

Answer 18

Throat

Question 19

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

Answer 19

Active

Question 20

How do we obtain geothermal energy?

Answer 20

Drilling wells

Question 21

Eruption that involves the outpouring of basaltic magma that is relatively low in viscosity and low in gas content.

Answer 21

Effusive

Question 22

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

Answer 22

Lava

Question 23

The scientists and researchers are using the heat from supercritical water.

Answer 23

Volcanic geothermal energy

Question 24

Formed when non-acidic basaltic lava flows of high viscosity producing broad sloping sides and shield-like structures. They are not very explosive and are among the largest volcanoes in the world. Dome shaped with a wide base.

Answer 24

Shield

Question 25

Other name of Composite volcanoes

Answer 25

Stratovolcanoes

Question 26

Formed when viscous andestic lava flows out of a vent for a very long time. They have acidic and sticky lava which allos the lava to solidify without travelling very far. Cone is symmetrical. Explosive eruptions.

Answer 26

Composite

Question 27

The actual opening where the lava and ash come from.

Answer 27

Vent

Question 28

Fragments of lava and rock smaller than 2mm.

Answer 28

Ash

Question 29

Mouth of a volcano, surrounds a volcanic vent, a funnel shaped depression at the top of a volcano formed as a result of an explosive eruption.

Answer 29

Crater

Question 30

PHIVOLCS stands for...

Answer 30

Philippine Institute of Volcanology and Seismology

Question 31

Flat piece of rock formed when magma hardens.

Answer 31

Sill

Question 32

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

Answer 32

Parasitic Cone

Question 33

Steam from natural resources such as geysers or high pressure depths are used to drive electrical turbines.

Answer 33

Conventional Geothermal Energy

Question 34

Tall eruptions that go up to 20km high. Short, explosive and violent. This happens when the pressure is enough to blow off the overlaying layer of solidified lava over the entrapped gases in magma.

Answer 34

Vulcanian

Question 35

Volcano comes from the Latin word...

Answer 35

Latin word Vulcan, the Roman god of Fire.

Question 36

The side of the volcano

Answer 36

Flank

Question 37

Most destructive and violent eruptions. Volcanic materials go more than 20km high and form an eruption column.

Answer 37

Plinian

Question 38

These volcanoes are active but not erupting; however they are expected to erupt anytime soon. Their magma chambers are slowly filling.

Answer 38

Dormant

Question 39

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

Answer 39

Pelean

Question 40

Occurs when water interacts with magma. It releases steam and pyroclastic fragments into Earth’s surface.

Answer 40

Phreatomagmatic

Question 41

Eruptions involve magma of high viscosity and high gas content.

Answer 41

Explosive eruptions

Question 42

Geothermal comes from the Greek word....

Answer 42

geo which means “Earth,” and thermal, which means “heat”

Question 43

Simplest type of volcano. Built from pyroclastic fragments and volcanic ashes that form and solidify around the main vent to form a cone, which can be either circular or oval. Usually small. (>300m.)

Answer 43

Cinder Cone

Question 44

Believed to have greater energy than conventional steam.

Answer 44

Supercritical Water