Science'

Question 1

percent by mass of an element present in a compound.

Answer 1

Percentage composition

Question 2

Mass of the element
Molar mass of the compound x100

Answer 2

Percentage composition formula

Question 3

vent, hill, or mountain that erupts

Answer 3

volcano

Question 4

where magma passes through from the magma chamber to reach earth’s surface

Answer 4

Main vent

Question 5

large reservoir that stores molten rock

Answer 5

Magma chamber

Question 6

bowl-shaped depression produced by volcanic act

Answer 6

Crater

Question 7

stream of molten rock flowing out of the crater

Answer 7

lava flow

Question 8

alternative smaller outlet where magma escapes

Answer 8

secondary flow

Question 9

formed when lava and ashes escape from smaller vents

Answer 9

Secondary cone

Question 10

formed when thick volcanic ashes are discharged

Answer 10

ash cloud

Question 11

mixture of rocks, minerals, and glass particles

Answer 11

ash

Question 12

formed from pyroclastic fragments

Answer 12

cinder cone

Question 13

symmetrical cones and are also called “stratovolcanoes

Answer 13

composite

Question 14

formed from non-acidic basaltic lava flows, shield like form

Answer 14

shield volcano

Question 15

past 600 years since erupted

Answer 15

active

Question 16

active but not erupting

Answer 16

dormant

Question 17

past 10,000 years since erupted

Answer 17

extinct

Question 18

magma of low viscosity

Answer 18

effusive eruption

Question 19

magma of high viscosity

Answer 19

explosive eruption

Question 20

fluid basaltic lava is thrown into the air (fountain)

Answer 20

Hawaiian

Question 21

burst of glowing lava

Answer 21

Strombolian

Question 22

eruption is short, explosive, & violent

Answer 22

vulcanian

Question 23

most violent

Answer 23

plinian

Question 24

steam-driven

Answer 24

phreatic

Question 25

interaction between magma and water

Answer 25

phreatomagmatic

Question 26

being filled with magma

Answer 26

preparation phase

Question 27

pressure starts to build up

Answer 27

eruption phase

Question 28

magma chamber is now empty

Answer 28

ending phase

Question 29

refers to magma

Answer 29

lava

Question 30

pyroclastic materials

Answer 30

tephra

Question 31

Types of pyroclastic materials:

Answer 31

Volcanic bombs Volcanic ash Lapili Volcanic blocks

Question 32

day-to-day atmospheric conditions

Answer 32

weather

Question 33

average weather condition

Answer 33

climate

Question 34

relatively high temperature

Answer 34

tropical

Question 35

climate inside the building or an aeroplane

Answer 35

crypto climate

Question 36

climatic conditions in localized areas

Answer 36

microclimate

Question 37

German botanist-climatologist

Answer 37

Wladimir Köppen

Question 38

seasonal shift in the direction

Answer 38

monsoon

Question 39

occur in the country from late October to March

Answer 39

amihan

Question 40

occur in the country from July to September

Answer 40

habagat

Question 41

gradual increase of the overall temperature

Answer 41

global warming

Question 42

Sun’s energy is being absorbed to warm the planet

Answer 42

greenhouse effect

Question 43

(little boy) occurs during christmas holiday

Answer 43

el nino

Question 44

- makikita mo sa imagine mo eh na sumakses ka - (little girl) cold phase of ENSO

Answer 44

el nina

Question 45

El Nino southern oscillation

Answer 45

enso

Question 46

rapid rotating storm

Answer 46

tropical cyclone

Question 47

forms over tropical or subtropical waters

Answer 47

Hurricane

Question 48

mature tropical cyclone

Answer 48

typhoon