9.6-10.1

Question 1

It measures seismic activities

Answer 1

Seismometers

Question 2

detects tremors or small earthquakes that may indicate signs of a large earthquake

Answer 2

seismographs

Question 3

measures the movement at the opposite side of a fault

Answer 3

laser range finder

Question 4

measures change in tide level

Answer 4

tide gauge

Question 5

measures radon gas dissolved in underground water

Answer 5

geiger counter

Question 6

measures the constant,imperceptible movements of earthquake faults

Answer 6

global positioning system

Question 7

global positioning system is also called as

Answer 7

GPS receivers

Question 8

the record of the wave is called

Answer 8

seismogram

Question 9

it suffered extensive damage due to giant waves

Answer 9

the Fukushima Daiichi Nuclear power plant

Question 10

it resulted in a radiation leak and nuclear fallout

Answer 10

the fukishima daiichi disaster

Question 11

if you are indors _____

Answer 11

drop to the ground

Question 12

if you are outdoors _______

Answer 12

survey your surroundings

Question 13

may generate tsunamis or giant sea waves

Answer 13

earthquakes

Question 14

what is the first thing to do after an earthquake

Answer 14

calm down

Question 15

what are the 6 steps to do after an earthquake

Answer 15

●check for injuries
●check for hazards
●listen to a battery-operated radio
●clean up
●anticipate tsunamis
●expect aftershocks

Question 16

what are the kinds of hazards

Answer 16

●fire hazards
●damaged electrical wiring
●downed or damaged utility lines
●fallen objects in closets and cupboards

Question 17

what are the 6 instruments used to measure seismic activities

Answer 17

●seismometer
●global positioning system
●tide gauge
●geiger counter
●seismograph
●laser range finder

Question 18

They found out that the earth’s deep layers are as rough or even more rough than the layer we live in.

Answer 18

Jessica Irving and Wenbo wu

Question 19

releases tons of dust and ashes

Answer 19

volcanic eruptions

Question 20

when did Mount pinatubo unleash its wrath

Answer 20

June 15 ,1991

Question 21

it is the second largest volcanic eruption this century

Answer 21

mount pinatubo eruption

Question 22

produced by the accumulation of their own eruptive products

Answer 22

volcanoes

Question 23

what will push these materials upward

Answer 23

pressure

Question 24

it is the molten rock below the surface of earth that rises to the vent

Answer 24

magma

Question 25

poured out of volcanic vents

Answer 25

magma

Question 26

once magma is injected and flows on the surface, it is called ____

Answer 26

lava

Question 27

what does the ascending magma commonly contains

Answer 27

●crystals ●fragments of surrounding (unmelted) rocks ●dissolved gases

Question 28

what is magma a primarily liquid composed of?

Answer 28

●oxygen ●silicon ●aluminum ●iron ●magnesium ●sodium ●potassium ●titanium ●manganese

Question 29

upon cooling , the liquid magma may percipitate crystals to form an _____

Answer 29

igneous rock

Question 30

influenced by temperature and mineral water content

Answer 30

lava viscosity

Question 31

what are the two factors that determine the type of eruption

Answer 31

●silica ●water content

Question 32

if it is thin, it has ____

Answer 32

low silica content

Question 33

if it is thick and pasty it has ____

Answer 33

high silica content

Question 34

magma may also contain ____

Answer 34

superheated water

Question 35

it may be compared to the dissolved gases in a bottle

Answer 35

superheated water

Question 36

if you shake it ____ the gas separates from the drink and form bubbles

Answer 36

vigorously

Question 37

it releases lava , rock fragments , and gases

Answer 37

volcanic activity

Question 38

volcanoes are classified based on _____ and ________

Answer 38

●structure ●type of eruption

Question 39

they are typically steep-sided , symmetrical cones with large bases

Answer 39

composite volcanoes

Question 40

composite volcanoes are also called

Answer 40

stratovolcanoes

Question 41

examples of composite volcanoes

Answer 41

●mount mayon ●mount fuji ●mount shasta ●mount hood ●mount st helens ●mount rainier

Question 42

are the simplest volcanoes

Answer 42

cinder cone volcano

Question 43

most cinder cones have a crater shaped like a ____

Answer 43

bowl

Question 44

examples of cinder cone volcanoes

Answer 44

●mount paricutin ●krakatoa

Question 45

are built almost entirely from lava flows

Answer 45

shield volcano

Question 46

shield volcanoes are also called _____

Answer 46

hawaiian volcano

Question 47

what is the most active volcano in hawaii

Answer 47

kilauea

Question 48

they have become a favorite research

Answer 48

hawaiian volcanoes

Question 49

the most studied of all volcanoes

Answer 49

kilauea

Question 50

some of trh largest volcanoes in the world are

Answer 50

shield volcanoes

Question 51

what are the types of volcanoes

Answer 51

●composite volcano ●cinder cone volcano ●shield volcano

Question 52

the mass of molten rocks

Answer 52

lava

Question 53

are hot dry mass of fragmented volcanic materials

Answer 53

pyroclastic materials

Question 54

pyroclastic materials is also called

Answer 54

tephra

Question 55

pyro clastic materials include _____ , _______ , and _______

Answer 55

●ash ●lapilli ●blocks and bombs

Question 56

basic component of magma and lava

Answer 56

volcanic gas

Question 57

volcanic gases include

Answer 57

●water vapor ●hydrogen sulfide ●sulfur dioxide ●carbon monoxide ●hydrogen chloride

Question 58

became one of the worst disasters in history

Answer 58

mount pinatubo eruption

Question 59

fresh volcanic ash is (4)

Answer 59

●coarse ●abrasive ●corrosive ●very unpleasant