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Worksheets

Science 6 Reviewer

Total questions: 145

Worksheet time: 2hrs 49mins

Name
Class
Date
1.
What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?
a)
Aftershock
b)
Liquefaction
c)
Seismic Gap
d)
Tsunami
2.

What is the instrument used to measure earthquakes?

a)

Seismograph

b)

Sling Psychrometer

c)

Spring Scale

d)

Balance

e)

Anemometer

3.
Earthquakes happen every day. Most are too small for humans to notice.
a)
True
b)
False
4.
What is an epicenter? 
a)
Where an earthquake started
b)
The surface right above where an earthquake started 
5.

Where the earthquake begins on surface.

a)

epicenter

b)

joint

c)

fault

d)

focus

6.

What are earthquakes?

a)

The shaking that results from the movement of rock beneath Earth's surface

b)

Masses of earth sliding down cliffs or mountains

c)

A rotating column of air causing mass destruction

d)

A gigantic wave

7.

What causes earthquakes?

a)

Millions of people jumping at once

b)

The earth rotating

c)

The movement of plate tectonics

d)

Gravity

8.

What is the scale used to measure the strengths of earthquakes?

a)

Fujita scale

b)

Richter scale

c)

Damage scale

d)

NASA scale

9.

Can earthquakes be predicted

a)

Yes

b)

No

10.

Scientists who study earthquakes are called

a)

Seismologists

b)

Geologists

c)

Biologists

d)

Astronomer

11.

The earth has top layer called...

a)

crust

b)

ocean

c)

land

d)

sea

12.

What is a crust?

a)

a layer that covers the earth

b)

a cupcake

c)

a layer that covers the moon

d)

the second layer of the planet

13.

The crust is broken into many peices called ...

a)

plates

b)

ashes

c)

countries

d)

boundries

14.

Are plates always moving?

a)
b)
15.

What does the word alter mean?

a)

fixed

b)

healed

c)

changed

d)

decorated

16.

Where does an earthquake originates?

a)

fault

b)

epicenter

c)

focus

d)

waves

17.

Where does the epicenter located?

a)

above the focus

b)

below the focus

c)

at the focus

d)

at the side of focus

18.

How will you describe the strength of an energy or the seismic waves coming from the focus?

a)

energy will increase as it goes away from the focus

b)

energy will decrease as it goes away from the focus

c)

energy will be the same as it goes away from the focus

d)

energy will increase as it goes to the epicenter

19.

In what state of matter do s-waves can travel?

a)

solid, liquid, and gas

b)

solid and liquid

c)

solid only

d)

liquid only

20.

What do we call to the amount of energy released due to the movement within the rock layers?

a)

focus

b)

intensity

c)

magnitude

d)

epicenter

21.

What do we call to the damage caused in a certain place within the earthquake-affected area?

a)

focus

b)

epicenter

c)

magnitude

d)

intensity

22.

What do we call to a simple instrument that detects and records earthquakes?

a)

seismograph

b)

seismogram

c)

Richter Scale

d)

weighing scale

23.

What do we call to the zigzag pattern of lines created by seismograph?

a)

seismogram

b)

diagram

c)

illustration

d)

zigzag drawing

24.

What is the layer of Earth which mainly composed of iron?

a)

Crust

b)

Mantle

c)

Inner Core

d)

Outer Core

25.

What is/are the layer/s of Earth that contained iron?

a)

crust, mantle, inner core

b)

crust, mantle, outer core

c)

mantle, outer core, inner core

d)

mantle, crust, inner core

26.

It refers to the eruptive and non-eruptive activities that take place in a volcano.

a)

glaciovolcanism

b)

volcanic eruption

c)

volcanic process

d)

volcanology

27.

All are the factors of viscosity of lava, except

a)

Silica (SiO2) content of lava

b)

Temperature of lava relative to solidification point

c)

Gas dissolved in Magma

d)

Density of Magma

28.

It is characterized by gas-driven explosion that propels magma and tephra.

a)

Explosive Volcanic Eruption

b)

Effusive Volcanic Eruption

29.

It is the outpouring of lava without significant explosive eruption

a)

Explosive Volcanic Eruption

b)

Effusive Volcanic Eruption

30.

The calmest of the eruption types.

a)

Hawaiian

b)

Strombolian

c)

Vulcanian

d)

Surtseyan

31.

Eruptions driven by bursting gas bubbles within the magma.

a)

Hawaiian

b)

Strombolian

c)

Vulcanian

d)

Surtseyan

32.

It is an explosive eruption that occurs when the pressure of entrapped gases in a relatively viscous magma becomes sufficient to blow off the overlying crust of solidified lava

a)

Hawaiian

b)

Strombolian

c)

Vulcanian

d)

Surtseyan

33.

Considered the most explosive and powerful of all eruptions.

a)

Hawaiian

b)

Strombolian

c)

Vulcanian

d)

Plinian

34.

Interaction between lava and ice that occurs in high latitude and high altitude.

a)

Plinian

b)

Strombolian

c)

Surtseyan

d)

Subglacial

35.

Volcanic eruption that takes place beneath the surface of water

a)

Submarine

b)

Strombolian

c)

Surtseyan

d)

Subglacial

36.

An underground pool of magma.

a)

magma chamber

b)

pipe

c)

vent

d)

lava flow

37.

A long tube that connects the magma chamber to the earth's surface.

a)

magma chamber

b)

pipe

c)

vent

d)

lava flow

38.

An area on the Earth's surface that is covered by lava.

a)

magma chamber

b)

pipe

c)

vent

d)

lava flow

39.

The opening that magma and gases flow through at the earth's surface.

a)

magma chamber

b)

pipe

c)

vent

d)

lava flow

40.

A bowl shaped area that forms around the vent.

a)

vent

b)

landslides, mudslides, avalanches

c)

pressure

d)

crater

41.

Natural disasters volcanoes can create.

a)

vent

b)

landslides, mudslides, avalanches

c)

pressure

d)

crater

42.

Dissolved gases in the magma expand creating bubbles that force the magma through the pipes until it explodes out of the vent.

a)

vent

b)

landslides, mudslides, avalanches

c)

pressure

d)

crater

43.

Low silica, low sticky, low viscosity, and magma flows slowly for many kilometers.

a)

pyroclastic flow

b)

quiet eruption

c)

explosive eruption

d)

crater

44.

High silica, highly sticky, high viscosity, pipe gets clogged and the pressure builds up, rock fragments are released.

a)

pyroclastic flow

b)

quiet eruption

c)

explosive eruption

d)

crater

45.

A mixture of rock fragments ejected from a volcano.

a)

pyroclastic flow

b)

quiet eruption

c)

explosive eruption

d)

crater

46.

Smallest rock fragment the size of dust, explodes from a volcano during an explosive eruption. Creates a cement mixture in your lungs, cause roofs to collapse, & damage car and plane engines

a)

volcanic ash

b)

volcanic cinders

c)

volcanic bombs

d)

pyroclastic flow

47.

Pebble sized rock fragments, explodes from a volcano during an explosive eruption.

a)

volcanic ash

b)

volcanic cinders

c)

volcanic bombs

d)

pyroclastic flow

48.

Large pieces of rock, can range from the size of a baseball to the size of a car, explodes from a volcano during an explosive eruption.

a)

volcanic ash

b)

volcanic cinders

c)

volcanic bombs

d)

pyroclastic flow

49.

(awake)A volcano that is erupting or has shown signs that it may erupt in the near future.

a)

pressure

b)

Extinct volcano

c)

Dormant volcano

d)

active volcano

50.

(dead) A volcano that has not had an eruption for at least 10,000 years and is unlikely to erupt again.

a)

pressure

b)

Extinct volcano

c)

Dormant volcano

d)

active volcano

51.

(sleeping) Active volcano that is not currently erupting but is supposed to erupt again in the future.

a)

pressure

b)

Extinct volcano

c)

Dormant volcano

d)

active volcano

52.

Heated groundwater that collects in a pool, contains dissolved gasses and other minerals.

a)

explosive eruption

b)

Hot Springs

c)

quiet eruption

d)

Geysers

53.

Heated water and gases beneath the surface that is trapped, pressure builds up until the fountain of water and steam erupts.

a)

explosive eruption

b)

Hot Springs

c)

quiet eruption

d)

Geysers

54.

Determine the type of volcano.

a)

Subglacial

b)

Cinder Cone

c)

Volcanic Dome

d)

Shield Volcano

55.

Determine the type of volcano.

a)

Composite Volcano

b)

Shield Volcano

c)

Cinder Cones

d)

Volcanic Domes

56.

What two gases are found throughout all layers of the atmosphere?

a)

Nitrogen and Carbon dioxide

b)

Nitrogen and Oxygen

c)

Oxygen and Carbon dioxide

d)

Trace gases and water vapor

57.

Which layer of the atmosphere is the outermost layer?

a)

troposphere

b)

thermosphere

c)

exosphere

d)

mesosphere

58.

It is the layer where weather occurs.

a)

stratosphere

b)

thermosphere

c)

troposphere

d)

mesosphere

59.

Which phenomenon can be seen only in the thermosphere?

a)

ozone layer

b)

Aurora Borealis

c)

Highlands

d)

water vapor

60.

How many seasons does the Philippines have?

a)

1

b)

2

c)

3

d)

4

61.

The climate in the Philippines is both ________ and ________.

a)

continental and maritime

b)

climatic and tropical

c)

tropical and maritime

d)

humid and tropical

62.
What is the correct order of earth's atmospheric layers from bottom to top?
a)
Stratosphere, Mesosphere, Troposphere, Thermosphere, Exosphere.
b)
Stratosphere, Troposphere, Mesosphere, Thermosphere, Exosphere.
c)
Stratosphere, Troposphere, Thermosphere, Mesosphere, Exosphere.
d)
Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere.
63.

Within the stratosphere is the ozone layer. What does the ozone layer do?

a)

It protects us from meteors

b)

It supplies us with gases for breathing

c)

It protects us from ultra violet radiation

d)

All of the above

64.

What imaginary line is drawn around the earth’s center?

a)

equator

b)

axis

c)

prime meridian

65.

How do the seasons happen?

a)

Earth's distance away from the sun

b)

Earth's distance towards the sun

c)

Earth's tilted axis

66.

What are the two seasons in the Philippines?

a)

dry and wet

b)

wet and cold

c)

warm and dry

d)

humid and warm

67.

The Philippines experiences two seasons only because it is located near the __________.

a)

equator

b)

temperate region

c)

North Pole

d)

South Pole

68.

The following are the factors that affect the seasons EXCEPT ___________.

a)

location

b)

altitude

c)

monsoon

d)

land mass

69.

Which season is characterized by heavy rain and typhoons?

a)

dry season

b)

wet season

c)

cold season

d)

warm season

70.

It is known as Habagat.

a)

Northeast Monsoon

b)

Southeast Monsoon

c)

Southwest Monsoon

d)

Northwest Monsoon

71.

Why does Southwest Monsoon or Habagat bring heavy rains?

a)

The wind is very fast.

b)

The air is very polluted.

c)

The air pressure is high.

d)

The air is hot and humid.

72.

What season takes place in the Philippines during the months of December to May?

a)

dry season

b)

wet season

c)

cold season

d)

warm season

73.

It is known as Amihan.

a)

Northeast Monsoon

b)

Southeast Monsoon

c)

Southwest Monsoon

d)

Northwest Monsoon

74.

Which activity is suitable to do in a wet season?

a)

planting

b)

drying fish

c)

staying indoors

d)

taking your pet dog for a walk

75.

What is the most appropriate thing to do during the dry season?

a)

wear thick clothes

b)

drink much water

c)

stay longer under the sun

d)

do not put sunblock while playing on the beach

76.

What does the southwest monsoon bring to the Philippines?

a)

cold and dry air

b)

cold and humid

c)

dry season

d)

wet season

77.

Which factor influences the season of the Philippines?

a)

altitude

b)

air mass

c)

temperature

d)

prevailing winds

78.

Which is known as the amount of water vapor in the air?

a)

humidity

b)

precipitation

c)

temperature

d)

wind

79.

The southwest monsoon that blows from the West Philippine Sea affects the climate of the Philippines. What does it bring to our country?

a)

dry and cold air

b)

warm and dry air

c)

dry and humid air

d)

heavy rains and typhoon

80.

Which will happen when air on the earth's surface is heated by the sun?

a)

It disappears.

b)

It remains on the surface.

c)

It becomes light, so it rises.

d)

It becomes heavy so it sinks.

81.

How were you able to tell that the Earth is in motion?

a)

it DOESN'T because the planets revolve around earth

b)

because we have 24 hours to revolve on the axis

c)

because we don't have seasons near the equator

d)

because we have night and day

82.

When it is winter in the Northern Hemisphere, what's the season in the Southern Hemisphere?

a)

Winter

b)

Spring

c)

Summer

d)

Fall

83.

A leap year has _______ number of days.

a)

365.25

b)

365

c)

366

d)

366.25

84.

In which direction does the earth rotates on its axis?

a)

east to west

b)

west to east

c)

north to south

d)

south to north

85.

What will happen if the axis is not tilted?

a)

we have winter, spring, summer and fall

b)

the sun would exactly rise in the east and sets on the west in the equator

c)

the axis will be dividing the day and night

d)

the northern hemisphere will only be experiencing daylight

86.

In which month is the Earth nearest to the Sun?

a)

January

b)

February

c)

March

d)

July

87.

Why is the sidereal day shorter than that of the mean solar day?

a)

The measurement of the mean solar day is the re-occurrence of a star.

b)

The measurement of the sidereal day is the re-occurrence of noon.

c)

The re-occurrence of noon requires an additional minutes with respect to the Sun.

d)

The movement of the Sun with respect to another star takes an additional four minutes.

88.

Why do poles experience 6 months of daylight and 6 months of night time?

a)

due to the earth's rotation

b)

due to the earth's revolution

c)

due to the earth's tilt

d)

due to the earth's axial precession

89.

The circle/line that divides the day and night.

a)

axis

b)

arctic circle

c)

antarctic circle

d)

none

90.

Twice a year when the noon sun falls directly on Earth's surface between 23.5 degrees North and South, a(n) __________________ occurs.

a)

Summers

b)

Solstices

c)

Winters

d)

Equinoxes

91.

Day length is affected by the Earth's position in its yearly orbit around the sun and ___________________.

a)

straight up and down axis

b)

axial precession

c)

tilt of the Earth's axis

d)

size of the circle of illumination

92.

If it is May 12 and you cross from west to east of the international date line, what is now the date?

a)

May 11

b)

May 12

c)

May 13

d)

May 10

93.

In which direction does the earth revolve? (hint: same as how the sky turns in northern sky)

a)

clockwise

b)

counter-clockwise

94.

if the time in the Philippines (120 degrees)5:00 pm, what will be the time in Greenwich, England (0 degrees)?

a)

11:00 am

b)

12:00 am

c)

10:00 am

d)

9:00 am

95.

If the prime meridian is noon the international date line is experiencing __________________.

a)

day time

b)

midnight

c)

noon

d)

night time

96.

Day and night are caused by the earth's

a)

shape

b)

equator

c)

rotation

d)

revolution

97.

The earth completes one rotation in about

a)

22 hours

b)

23 hours

c)

24 hours

d)

25 hours

98.

The earth rotates on its axis from

a)

north to south

b)

east to west

c)

south to north

d)

west to east

99.

A leap year has

a)

365 days

b)

365 1/4 days

c)

364 days

d)

366 days

100.

The change of seasons is caused due to ___

a)

Movement of the sun

b)

Spherical shape of the earth

c)

Revolution

d)

Rotation

101.

The fixed elliptical path along which the earth revolves is called

a)

Axis

b)

Tilt

c)

Orbit

d)

Radius

102.

Imaginary line through the center of a planet.

a)

Spring tide

b)

axis

c)

rotation

d)

phases

103.

At what angle is the axis of the earth tilted to the vertical plane ?

a)

66 1/2 Degrees

b)

32 1/2 Degrees

c)

23 1/2 Degrees

d)

13 1/2 Degrees

104.

When do you have the Autumn Equinox

a)

13 September

b)

23 September

c)

23 November

d)

13 November

105.

When do you have the Spring Equinox

a)

12 March

b)

23 March

c)

21 March

d)

22 March

106.

The period of diffused light before sunrise is called

a)

Evening

b)

Twilight

c)

Dusk

d)

Dawn

107.

Why is the Equator warmest?

a)

Because it is closest to the sun

b)

Because it receives the most direct sunlight

c)

Because no clouds form here

108.

When the Northern Hemisphere is pointing towards the sun, what season is the Southern Hemisphere?

a)

Winter

b)

Spring

c)

Fall

109.

What is an equinox?

a)

When the sun is directly above Earth's equator

b)

When the moon is directly about the Earth's equator

c)

When the sun is directly below the earth's equator

110.

What happens during a Leap year?

a)

The Earth is closest day to the Sun

b)

An additional day is added to February

c)

The days are longest during a Leap Year

d)

The days and nights are of equal length

111.

Imagine: It's Summer Solstice in the Northern Hemisphere. What will happening in the Southern Hemisphere

a)

It will experience the Autumnal Equinox

b)

It will experience the Vernal Equinox

c)

It will experience the Winter Solstice

d)

None of the options

112.

What happens during an 'Equinox'?

a)

The nights are longer

b)

The days are longer

c)

Days and nights are equal length

d)

Daytime is experienced for 24 hours

113.

The _____________separates the lit part of the Earth from the dark half:

a)

Axis

b)

Circle of Illumination

c)

Equator

d)

Orbit

114.

Northern hemisphere experiences longest day on

a)

21st june

b)

23rd September

c)

22nd December

d)

21st March

115.

Christmas is celebrated in Australia in the

a)

Winter season

b)

Summer season

c)

Autumn season

d)

Spring season

116.

What is the smallest planet?

a)

Venus

b)

Pluto

c)

Jupiter

d)

Mercury

117.

What is the hottest planet?

a)

Venus

b)

Mercury

c)

Earth

d)

Jupiter

118.

Pluto is a..?

a)

Tiny planet

b)

Dwarf planet

c)

A planet

d)

Moon

119.

What planets are IN FRONT OF the asteroid belt?

a)

Inner planets

b)

Outer planets

c)

Both

d)

None

120.

Select all that apply to the GAS GIANTS

a)

They all have rings

b)

They are all made of gas

c)

They have a rocky surface

d)

They are very small

121.

Which planet tilts 90 degrees on its axis(which planet is upside down) ?

a)

Jupiter

b)

Earth

c)

Saturn

d)

Uranus

122.

Which planets are BEHIND the asteroid belt?

a)

Inner planets

b)

Outer planets

c)

Both

d)

None

123.

Select all that apply to the ROCKY or TERRESTRIAL planets

a)

They are small

b)

They are made of gas

c)

They have a rocky surface

d)

They are closer to the sun

124.

Which of the gas giants has the largest rings?

a)

Jupiter

b)

Saturn

c)

Mercury

d)

Neptune

125.

Why is Venus so hot?

a)

It's closest to the sun

b)

It was just made like that

c)

gas composition of its atmosphere

d)

It is pure fire

126.
Planets that are closer to the sun
a)
take more time to orbit
b)
take less time to orbit
127.
The order of the planets is:
a)
Mars,Venus,Earth,
Mercury,Saturn
Jupiter, Uranus, Neptune
b)
Earth,Venus,Mars
Jupiter, Neptune,
Mercury,Saturn,
Uranus
c)
Mercury,Venus,Earth
Mars,Jupiter,
Saturn,Uranus
Neptune
128.
Which planet is the largest?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
129.
Which planet is fifth from the sun?
a)
Saturn
b)
Jupiter
c)
Mars
d)
Earth
130.
Which planet is seventh from the sun?
a)
Saturn
b)
Earth
c)
Venus
d)
Uranus
131.
which planet is the third from the sun?
a)
Mercury 
b)
Neptune 
c)
Pluto 
d)
Earth 
132.
Which is the fourth planet from the sun?
a)
Mars
b)
Saturn
c)
Earth
d)
Jupiter
133.
Which is the second closest planet to the sun?
a)
Earth
b)
Saturn
c)
Venus
d)
Mercury
134.
Which Planet comes after Earth in the solar system?
a)
Mercury
b)
Mars 
c)
Venus 
d)
Eros
135.
Which Planet comes after Earth in the solar system?
a)
Mercury
b)
Mars 
c)
Venus 
d)
Eros
136.
The spinning of an object on its axis is called______
a)
orbit
b)
rotation
c)
revolution
d)
tide
137.
Day and night is caused by the _____________ of earth on its axis.
a)
revolution
b)
orbit
c)
rotation
138.
The earth orbits around...
a)
the sun.
b)
the moon
c)
other planets
d)
the Milky Way
139.
What are the reasons for the seasons?
a)
Earth's tilt and rotation.
b)
Earth's rotation and revolution.
c)
Earth's tilt and revolution.
d)
Earth's tilt and resolution
140.
When the Northern Hemisphere of Earth is Leaning away from the Sun, What season is the Southern Hemisphere experiencing?
a)
Summer
b)
Winter
c)
Spring
d)
Fall
141.
How long does it take the Earth to make one REVOLUTION around the Sun?
a)
12 hours
b)
24 hours
c)
365 days
d)
29.5 days
142.
How long does it take for Earth to complete on full rotation?
a)
365 days
b)
23 hours
c)
24 hours
d)
1 month
143.
Almost Earth’s twin in size and mass, this planet has very thick atmosphere.
a)
Venus
b)
Mars
c)
Mercury
d)
Neptune
144.
The surface of this planet appears red due to rusting iron in the rocks.
a)
Mercury
b)
Mars
c)
Pluto
d)
Venus
145.
Some scientists believe that this dwarf planet is actually a very large comet caught in a permanent orbit.
a)
Eris
b)
Pluto
c)
Mars
d)
Neptune

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