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Worksheets

MX6 Reviewer G9

Total questions: 65

Worksheet time: 43mins

Name
Class
Date
1.
Volcanoes that have recently erupted are known as:
a)
Extinct Volcano
b)
Dormant Volcano
c)
Active Volcano
d)
What's a volcano?
2.
__________ volcanoes are usually steep sided. They are formed from layers of ash and lava.
a)
Shield
b)
Cone
c)
Dormant
d)
Extinct
3.

The Earth's crust is broken into pieces called

a)

glass

b)

rocks

c)

plates

d)

lava

4.
What is molten rock that has reached the Earth's surface?
a)
Aa
b)
Lava
c)
Magma
d)
Pahoehoe
5.
What factor(s) determine(s) whether an eruption will be explosive?
a)
The amount of gases in the magma
b)
The amount of silica in the magma
c)
The amount of gas and silica in the magma
d)
None of these affect the explosiveness of the volcano
6.
The more silica that magma contains...
a)
the thicker the magma
b)
the thinner the magma
c)
the higher the viscosity
d)
the runnier the magma
7.
Shield volcanoes have:
a)
gently sloping sides
b)
a steep cone shape
c)
moderately sized sides
d)
long cracks along plate boundaries
8.
Explosive eruption that hurls ash, gases, cinders, and bombs from the main vent.
a)
Volcano bomb
b)
Geyser
c)
Geothermal energy
d)
Pyroclastic flow
9.

It is characterized by tall eruption columns that reach up to 20 km high with pyroclastic flow and ash fall tephra.

a)

Plinian

b)

Phreatic

c)

Strombolian

d)

Vulcanian

10.

It is a violet eruption due to the contact between water and magma.

a)

Strombolian

b)

Phreatomagmatic

c)

Phreatic

d)

Plinian

11.

It is a periodic weak to violent eruption characterized by fountain lava.

a)

Strombolian

b)

Phreatomagmatic

c)

Plinian

d)

Vulcanian

12.

A volcano erupted 1000 years ago, but remnants of its activities are present due to the presence of hotsprings in the nearby area. What is the type of volcano according to activity?

a)

Active

b)

Dormant/inactive

c)

Extinct

d)

Shield

13.

A rush of pyroclastic materials mixed with water devastated most lands near Mt. Pinatubo when it erupted in 1991. Which volcanic hazard is described in this situation?

a)

caldera

b)

lava

c)

lahar

d)

tsunami

14.

Which type of volcano according to structure is shown in the image below?

a)

composite

b)

cinder cone

c)

shield

d)

extinct

15.

Name structure number 2.

a)

ash cloud

b)

crater

c)

magma chamber

d)

vent

16.

Composite Volcanoes are also known as STRATOVOLCANO.

a)

TRUE

b)

FALSE

17.

__________is a wide volcano with shallowly-sloping sides. Consequently, a volcanic mountain having a broad profile is built up over time by flow after flow of relatively fluid basaltic lava issuing from vents or fissures on the surface of the volcano

a)

Shield Volcano

b)

Composite Volcano

c)

Cone Volcano

d)

Lava Dome

18.

______are mounds of viscous lava and rocks that pile up and accumulate around a volcanic vent. Lava dome is created when the escaping lava collects around the edges of the opening. Because the lava is often extremely thick, it can't flow very quickly. So instead of running off the sides of the vent, it collects around the opening. It creates a Dome.

a)

Shield Volcano

b)

Composite Volcano

c)

Cinder Cone

d)

Lava Dome

19.

The calmest of the eruption types.

a)

Hawaiian

b)

Strombolian

c)

Vulcanian

d)

Surtseyan

20.

The Philippine government agency that is responsible for monitoring volcanoes is the ____.

a)

PAGASA

b)

DOST

c)

NDRRMC

d)

PHIVOLCS

21.

What are the three main types of volcanoes?

a)

giant volcanoes, cool volcanoes, forest volcanoes

b)

dome volcanoes, mini volcanoes, rocky volcanoes

c)

shield volcanoes, cinder cone volcanoes, and composite volcanoes

d)

caldera volcanoes, dome volcanoes, pipe volcanoes

22.

Which type of volcano has a broad, gently sloping cone and is composed of layers of solidified lava flows?

a)

caldera

b)

shield volcano

c)

cinder cone volcano

d)

stratovolcano

23.

Which type of volcano is characterized by explosive eruptions and a steep-sided cone?

a)

shield volcanoes

b)

calderas

c)

composite

d)

cinder cones

24.

This is a (a)   volcano.

25.

Which type of volcano forms due to a series of quiet eruptions?

a)

Shield

b)

Cinder Cone

c)

Composite

26.

Which type of volcano forms due to alternating quiet and explosive eruptions which form layers?

a)

Shield

b)

Cinder Cone

c)

Composite

27.
A student states the weather is the same as the climate. Which response BEST tells the student the difference between weather and climate?
a)
Weather is about the wind and the rain, but climate is about the clouds.
b)
Weather is the conditions in one day, but climate is the conditions over a long time.
c)
Weather is measured with tools like thermometers, but climate is measured with tools like forecasts.
d)
Weather is recorded on charts, but climate is recorded on world maps.
28.
Earth is unevenly heated due to its?
a)
oceans and moon
b)
tilt and shape
c)
gravity and clouds
d)
climate and weather
29.
the amount of water vapor in the air
a)
warm front
b)
precipitation
c)
humidity
d)
air pressure
30.

measure the distance from the equator, and explains why Climates tends to become cooler as

you move farther from the equator

a)

distance form the sea

b)

latitude

c)

altitude

d)

atmospheric temperature

31.

It is also known as the Northeast Monsoon

a)

Amihan

b)

Habagat

c)

latitude

d)

altitude

32.

It is known as the Southwest Monsoon bring a cool breeze

a)

habagat

b)

breeze

c)

amihan

d)

rain

33.

Measures of elevation above sea level and explains why temperature decreases as the altitude increases in the troposphere

a)

latitude

b)

altitude

c)

troposphere

d)

distance from the sea

34.

What is climate?

a)

The further you get from the equator

b)

The average weather over a long period of time

c)

The higher you go the colder you get

d)

The conditions of the atmosphere at a specific time and place

35.

What determines if the precipitation is solid or liquid?

a)

Clouds

b)

Wind

c)

Water vapor

d)

Air temperature

36.

What is wind?

a)

Amount of water vapor in the air

b)

Average weather over a period of time

c)

How hot/cold it is

d)

Air moving in a specific direction

37.

What is temperature?

a)

Amount of water vapor in the air

b)

Average weather over a period of time

c)

A measure of the average amount of motion of molecules

d)

Air moving in a specific direction

38.
The pressure exerted by the weight of the atmosphere is...
a)
high pressure
b)
low pressure
c)
atmospheric pressure or air pressure or barometric pressure
d)
weather front
39.
The amount of carbon dioxide CO2 in the atmosphere is decreasing. 
a)
True
b)
False
40.
Which is a natural source of greenhouse gases?
a)
aerosols
b)
deforestation
c)
volcanic eruptions
d)
burning fossil fuels
41.
Which of the following is an example of a greenhouse gas?
a)
Carbon Dioxide
b)
Nitrogen
c)
Oxygen
d)
Neon
42.
The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?
a)
lower levels of ozone in the atmosphere
b)
lower levels of nitrogen in the atmosphere
c)
higher levels of carbon dioxide in the atmosphere
d)
higher levels of oxygen in the atmosphere
43.
Visible light reaches Earth’s surface while infrared light is trapped as heat. Which characteristic of Earth’s atmosphere causes this to happen?
a)
the hole in the ozone
b)
the greenhouse effect
c)
atmospheric pressure
d)
the inversion layer
44.

Which of the following are greenhouse gases?

a)

Carbon dioxide

b)

Methane

c)

Water vapor

d)

All answers are correct

45.

How is the greenhouse effect produced?

a)

When solar energy trespasses the atmosphere.

b)

When some energy is reflected back to earth.

c)

When the green house is burned.

d)

When the sun doesn't emit radiation.

46.
Increased carbon dioxide may cause global warming by
a)
allowing more sunlight into the atmosphere.
b)
reflecting more sunlight from clouds.
c)
reducing the amount of oxygen in the air.   
d)
trapping more heat in the atmosphere.
47.

The sun is mostly made of

a)

iron

b)

fire

c)

hydrogen

d)

helium

48.

Stars go through a process called _____________ fusion

a)

cold

b)

hot

c)

Jazz

d)

nuclear

49.

A constellation is a group of visible _____ that form a pattern when viewed from the Earth.

a)

Planets

b)

Creatures

c)

Stars

d)

Clouds

50.

Which constellation is best known because it contains the Big Dipper which looks like a ladle?

a)

Ursa Major

b)

Orion

c)

Ursa Minor

d)

Polaris

51.

Stars appear to move in the sky because

a)

The Earth is rotating on its axis

b)

The universe is expanding

c)

The night sky is rotating

d)

New galaxies are formed

52.

What element is the fuel for main sequence stars?

a)

Carbon

b)

Helium

c)

Oxygen

d)

Hydrogen

53.

The luminosity of a star describes its ______________.

a)

brightness

b)

temperature

c)

age

d)

color

54.

What color are the coolest stars?

a)

red

b)

blue

c)

white

d)

orange

55.

What color are the hottest stars?

a)

blue

b)

red

c)

white

d)

yellow

56.

The study of the universe, including the sun, the planets, and all the other objects in space is called __________.

a)

astronomy

b)

botany

57.

What constellation is also known as the Southern Cross?

a)

Ursa Minor

b)

Ursa Major

c)

Crux

d)

Big Dipper

58.

What is the asterism constellation of Ursa Major?

a)

Crux

b)

Ursa Major

c)

Ursa Minor

d)

Big Dipper

59.

What is the name of this constellation that looks like a hunter with a club and a shield?

a)

Orion

b)

Big Dipper

c)

Ursa Major

d)

Crux

60.

What do we call those 12 families of the constellation that can be seen at a particular month of the year?

a)

Zodiac

b)

Asterism

c)

Stars

d)

Planets

61.

Which of the following is an example of a zodiac?

a)

Orion

b)

Leo

c)

Big Dipper

d)

Ursa Major

62.

It is an unofficial constellation and can be part of another constellation.

a)

Asterism

b)

Asteroid

c)

Constellation

d)

Zodiac

63.

The two stars of Big Dipper point to the North Start also known as _____.

a)

Polaris

b)

Betelgeuse

c)

Orion

d)

Rigel

64.

Which of the following is an asterism of Orion?

a)

Orion's Shoes

b)

Orion's Shirt

c)

Orion's Belt

d)

Orion's Hat

65.

Which of the following is not a zodiac constellation?

a)

Cancer

b)

Aquarius

c)

Orion

d)

Virgo

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