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Grade 6 Science Review

Total questions: 250

Worksheet time: 3hrs 32mins

Name
Class
Date
1.

What is the process by which plants make their food called?

a)

Transpiration

b)

Chloroplast

c)

Respiration

d)

Photosynthesis

2.

What is the main function of the heart in the human body?

a)

To control body temperature

b)

To produce hormones

c)

To pump blood

d)

To digest food

3.

Name the largest planet in our solar system.

a)

Mars

b)

Saturn

c)

Neptune

d)

Jupiter

4.

What is the unit used to measure electric current?

a)

Volts

b)

Amperes (A)

c)

Watts

d)

Ohms

5.

What is the process of water changing from a liquid to a gas called?

a)

precipitation

b)

evaporation

c)

sublimation

d)

condensation

6.

Which part of the flower produces pollen?

a)

Sepal

b)

Stamen

c)

Pistil

d)

Petals

7.

What is the force that pulls objects towards the center of the Earth?

a)

gravity

b)

repulsion

c)

centrifugal force

d)

magnetism

8.

What is the outermost layer of the Earth called?

a)

mantle

b)

crust

c)

atmosphere

d)

core

9.

What is the process of plants releasing water vapor through their leaves called?

a)

Condensation

b)

Evaporation

c)

Transpiration

d)

Precipitation

10.

Which gas do plants use during photosynthesis to make food?

a)

Carbon dioxide (CO2)

b)

Nitrogen (N2)

c)

Hydrogen (H2)

d)

Oxygen (O2)

11.

Which of the following is a Homogeneous Mixture?

a)

halo-halo

b)

ginatan

c)

coffee

12.

This type of mixture contains two or more substances that are visibly distinguishable

a)

homogeneous

b)

heterogeneous

13.
a)

homogeneous

b)

heterogeneous

14.

The spinning of Earth is called _____________________.

a)

axis

b)

rotation

c)

orbit

15.

True or False

Venus is the hottest planet in our solar system.

a)

True

b)

False

16.

Earth makes one full turn on its axis every ___________ hours.

a)

12

b)

365

c)

24

17.

Earth rotations around an imaginary line called an ___________________.

a)

planets

b)

axis

c)

rotation

18.

Our _____________ is made of planets, moons and the Sun.

a)

orbit

b)

solar system

c)

stars

19.

_____________ is the hottest season.

a)

fall

b)

winter

c)

spring

d)

summer

20.

A __________ is an object in space made of hot, glowing gases.

a)

orbit

b)

phase

c)

star

21.

Each shape of the Moon we see during one month is called a _____________.

a)

phase

b)

axis

c)

star

22.

The path Earth takes around the Sun is called its _______________.

a)

rotation

b)

orbit

c)

axis

23.

A_____________ is a huge object that moves around the Sun.

a)

rotation

b)

phase

c)

planet

24.

Which of the following is not an effect of an earthquake?

a)

loss of lives

b)

destruction of property

c)

strong winds

d)

tsunamis

25.

Which best describes tsunamis?

a)

They are seismic waves along the seashores.

b)

They are giant ocean waves caused by earthquakes.

c)

They are giant ocean waves beneath the faults.

d)

They are giant seismic waves on Earth's crust.

26.

Earthquakes cause changes on the surface of Earth. Which of the following are observed in the environment after an earthquake?

I. landslides

II. fissures on the ground

III. liquefaction

IV. undisturbed structures

a)

I only

b)

I and II

c)

I, II, and III

d)

II, III, and IV

27.

Which of the following is true about the magnitude of earthquakes?

a)

Higher magnitude earthquakes cause widespread damage.

b)

Higher magnitude earthquakes cause lesser damage.

c)

Higher magnitude earthquakes can be felt by only a few.

d)

Higher magnitude earthquakes have slow seismic waves.

28.

Which of the following is not an effect of a volcanic eruption?

a)

lahar flow

b)

scattered rocks and debris

c)

ashfall

d)

toppled-down buildings

29.

What is the best way to prevent loss of lives during volcanic eruptions?

a)

Covering the nose with damp cloth

b)

Evacuating the area as instructed by authorities

c)

Staying inside buildings

d)

Watching the spectacular eruption of the volcano

30.

What causes day and night?

a)

rotation of the moon

b)

rotation of the Earth

c)

rotation of the Sun

d)

revolution of the moon

31.

What accounts for the differences in climate around the world?

a)

rotation of the Earth

b)

rotation of the Sun

c)

revolution of Earth around the Sun

d)

revolution of the moon around Earth

32.

Which of the following activities are enjoyed during the wet season in the Philippines?

I. swimming in hot springs

II. farmers planting rice

III. surfing

IV. picnics at the park

a)

II only

b)

I and II only

c)

II, III and IV

d)

I, II, and IV

33.

Which is TRUE about the seasons in the Philippines?

a)

The Philippines has wet and dry seasons.

b)

Dry season in the country is longer than the wet season.

c)

All places in the country have the same climate type.

d)

The Philippines has four seasons throughout the year.

34.

The weather report for the day is fair, with temperature at 30oC, no precipitation expected, and wind is at 1 kph. What outdoor activities can be done?

I. drying of crops

II. going our for a picnic

III. washing of clothes

IV. playing of outdoor games

a)

I only

b)

I and II only

c)

I, II, and III

d)

I, II, III, and IV

35.

How long does Earth rotate on its axis?

a)

12 hours

b)

24 hours

c)

30 days

d)

12 months

36.

How long does Earth revolve around the Sun?

a)

24 hours

b)

165 days

c)

300 days

d)

365 1/4 days

37.

Which wind blows during the dry season?

a)

hanging amihan

b)

hanging habagat

c)

trade winds

d)

polar winds

38.

Which planet is not among the terrestrial planets?

a)

Earth

b)

Mars

c)

Saturn

d)

Venus

39.

How can you avoid getting sick during rainy days?

I. Bring an umbrella and put on a raincoat

II. Maintain clean surroundings

III. Boil your drinking water

IV. Wear sunglasses

a)

I and II only

b)

I, II and III

c)

II and II only

d)

I, II, III, and IV

40.

Which group is made up of the giant planets?

a)

Jupiter, Saturn, Uranus, Neptune

b)

Jupiter, Saturn, Neptune, Mars

c)

Saturn, Uranus, Neptune, Venus

d)

Earth, Mars, Jupiter, Saturn

41.

What part of Earth experiences longer daytime than night time from June to August?

a)

places at the Northern Hemisphere

b)

places at the Southern Hemisphere

c)

places at the North and South poles

d)

places anywhere on Earth

42.

What phenomenon is characterized by excessive rainfall and floods?

a)

El Nino

b)

La Nina

c)

tropical cyclone

d)

both El Nino and La Nina

43.

What do you call the shaking of Earth's crust?

a)

earthquake

b)

tsunami

c)

erosion

d)

landslide

44.

2. It is the measure of the amount of energy released by an earthquake.

a)

intensity

b)

energy

c)

magnitude

d)

aftershocks

45.

3. It refers to the measure of the strength of an earthquake.

a)

transition

b)

intensity

c)

magnitude

d)

aftershock

46.

4. It is also known as the southwest monsoon

a)

amihan

b)

habagat

c)

amigat

d)

habahan

47.

5. It refers to the movement of the Earth around the sun.

a)

rotation

b)

gravitational force

c)

tornado

d)

revolution

48.

7. How many seasons do the Philippines have?

a)

1

b)

2

c)

3

d)

4

49.

8. What does Hanging Amihan brings from the month of November to February?

a)

La Nina

b)

typhoon

c)

hot temperature

d)

cold temperature

50.

9. Which of the following causes a random change on the surface of the Philippines?

a)

tsunamis and tornadoes

b)

forest fires and hurricanes

c)

earthquake and volcanoes

d)

sandstorm and thunderstorm

51.

11. What is magma?

a)

pieces of the Earth's crust

b)

molten rock inside of a volcano

c)

small rock

d)

plates that meet

52.

13. The following are elements of weather EXCEPT.

a)

humidity

b)

air pressure

c)

rainfall

d)

location

53.

14. A student wants to figure out what the climate is where she lives. She decides to record the temperature every day, at the same time, for a week. What is the BEST reason why this might not give her accurate results for what the climate is?

a)

She is only measuring temperature and not precipitation.

b)

She did not calculate the wind conditions, humidity, and air pressure.

c)

She measured only one week instead of measuring over a long period of time.

d)

She recorded the temperature at only one time of day instead of more frequently.

54.

15. High humidity means what?

a)

There is a lot of water vapor in the air.

b)

The temperature is cool.

c)

There is a cold front approaching.

d)

There is a high-pressure system.

55.
When the part of the world that you're living in is leaning towards the Sun, its _____
a)
winter
b)
spring
c)
summer
d)
fall
56.

Which planet is the smallest planets?

a)

Mercury

b)

Venus

c)

Mars

d)

Earth

57.

Which is the biggest planet?

a)

Jupiter

b)

Mercury

c)

Mars

d)

Neptune

58.
The Sun together with the group of planets and other celestial bodies that are held by its gravitational attraction and revolve around it.
a)
solar system
b)
inner planet
c)
meteor
d)
comet
59.
The force that causes objects with mass to attract one another.
a)
gravity
b)
asteroid belt
c)
comet
d)
meteoroid
60.
The gravitationally-curved path of an object around a point in space.
a)
orbital path
b)
inner planet
c)
comet
d)
Galilean Moons
61.
The luminous celestial body around which Earth and other planets revolve and from which they receive heat and light.
a)
sun
b)
star
c)
inner planet
d)
outer planet
62.

In what category do we put the planets that are made of gas and ice?

a)

Jovian

b)

Terrestrial

c)

Milkyway

d)

Inner

63.

Cooking pots and pans made of metals make cooking faster because they quickly allow heat transfer from the flame to the food being cooked.

a)

True

b)

False

64.

What material can you use in order to block the sun?

a)
b)
c)
d)
65.

Why are metals considered good conductors ? Because they allow ________.

a)

heat to diffuse

b)

heat to scatter

c)

heat to pass through

d)

a little amount of heat to pass through

66.

A duck flies 60 meters in 10 seconds. What is the duck’s speed?

a)

600 m/s

b)

6 m/s

c)

50 m/s

d)

70 m/s

67.

Liquid water can become a gas in the process of ______________.

a)

a. freezing

b)

b. sublimation

c)

c. condensation

d)

d. evaporation

68.

Ice is formed from liquid water during the process of ______________.

a)

a. freezing

b)

b. evaporation

c)

c. condensation

d)

d. deposition

69.

The process in which water vapor changes to liquid.

a)

a. evaporation

b)

b. deposition

c)

c. sublimation

d)

d. condensation

70.

Dry ice or frozen carbon dioxide that changes to gas is an example of ________________.

a)

a. deposition

b)

b. condensation

c)

c. sublimation

d)

d. evaporation

71.

When we breathe in...................enters our lungs and passes into the blood.

a)

oxygen

b)

carbon dioxide

72.

It is a long tube. The air goes down this tube.

a)

bronchi

b)

windpipe

73.

The windpipe is also called

a)

trachea

b)

alveoli

74.

When we breathe out , ................. leaves our body.

a)

oxygen

b)

carbon dioxide

75.

They are two spongy, air-filled organs protected by the ribs.

a)

alveoli

b)

lungs

76.

Inside the lungs there are lots of little sacs called.......

Here, oxygen passes into the blood and carbon dioxide leaves the blood.

a)

lungs

b)

alveoli

77.

They are two tubes .Oxygen enters the lungs through .......

a)

bronchi

b)

alveoli

78.

NUMBER 1:

a)

lungs

b)

pharynx

c)

mouth

d)

alveoli

79.

NUMBER 6:

a)

Lungs

b)

Trachea

c)

Mouth

d)

Alveoli

80.

NUMBER 3:

a)

Pharynx

b)

Trachea

c)

Bronchi

d)

Alveoli

81.

When we breath in the diaphragm...

a)

Contracts

b)

Relaxes

82.

When we breathe out the diaphragm...

a)

Contracts

b)

Relaxes

83.
What are these?
a)
Stomach
b)
Esophagus
c)
Lungs
d)
Mouth
84.
Part of the throat that contains the tonsils
a)
Trachea
b)
Pharynx
c)
Larynx
d)
Bronchi
85.
Caused by inhaling tar in cigarrette smoke
a)
Bronchitis
b)
Lung cancer
c)
Asthma
d)
Respiratory infections
86.
Bronchial tubes contract quickly causing shortness of breath, coughing, and wheezing
a)
Bronchitis
b)
Emphysema
c)
Lung cancer
d)
Asthma
87.
This is the airway that has two pairs of vocal chords attached to it
a)
Lungs
b)
Diaphragm
c)
Pharynx
d)
Larynx
88.
Made up of spongy, elastic tissue that stretches as you breathe
a)
Alveoli
b)
Lungs
c)
Nasal Cavity
d)
Pharynx
89.
Passage way that moistens the air and has hairs to trap dust and particles
a)
Nasal cavity
b)
Bronchi
c)
Mouth cavity
d)
Larynx
90.
This is a tube-like pasage used for food, liquid, and air
a)
Larynx
b)
Trachea
c)
Pharynx
d)
Lungs
91.

What is the main function of the respiratory system?

a)

to provide oxygen and remove carbon dioxide from the body

b)

to break down food and absorb nutrients

c)

to remove oxygen from the body and deliver carbon dioxide

92.

What is function of the dome-shaped diaphragm muscle?

a)

This is where gas exchange happens.

b)

Air passes through the diaphragm on the way to the lungs.

c)

It attaches to the lungs and contracts and relaxes to help in breathing.

93.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
94.

Flap of tissue that covers the opening to the windpipe during swallowing

a)

Pharynx

b)

Trachea

c)

Epiglottis

95.

What type of cells carry oxygen in the blood?

a)

red blood cells

b)

white blood cells

96.
Which body structure protects the lungs from outside harm?
a)
Cartilage
b)
Tiny Sacs
c)
The Rib Cage
97.

What are the main functions of the lungs?

a)

to bring in air from the atmosphere

b)

pass oxygen into the bloodstream

c)

pumps blood throughout your body

d)

maintaining blood pressure

98.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

99.
How many types of blood vessels are in our body?
a)
1
b)
2
c)
3
d)
4
100.

Arteries carry oxygen rich blood away from the heart.

a)

True

b)

False

101.

The job of the heart is to . . .

a)

pump blood around the body.

b)

send food to the small intestines.

c)

break down food.

d)

give energy to the body.

102.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
103.
______________ are the second largest blood vessel. 
a)
Arteries
b)
Veins
c)
Capillaries
104.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
105.
The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 
a)
respiratory 
b)
digestive
c)
skeletal
d)
nervous
106.
The heart has ___ chambers.
a)
1
b)
2
c)
3
d)
4
107.
Which is the correct definition of the Circulatory system?
a)
The system fights disease so the body stays healthy.
b)
The system that circulates blood and oxygen through the body, consisting of the heart,blood vessels,and blood.
c)
Breaks down food into smaller pieces and absorbs those nutrients into the body.
d)
Provides shape and structure for the body.
108.

Arteries, veins, and capillaries are three types of __________

a)
heart valves
b)
blood vessels
c)
cells
d)
veins
109.
What is the Circulatory System also known as?
a)
The heart
b)
Cardiovascular System
c)
Nervous System
d)
Aorta
110.
What do Red-Blood cells do?
a)
Carry oxygen from the lungs to the body cells and  transport carbon dioxide from the cells back to the lungs
b)
keeps blood flowing in one direction to the heart and prevent blood from flowing backwards
c)
Collects  blood from the capillaries and drain it into the veins
d)
Bring nutriients to the cells and carries away waste materials.
111.
Carbon dioxide is considered a _________________
a)
food
b)
waste
c)
energy
d)
fun party favor
112.

Your heart is about the size of your __________.

a)

mouth

b)

fist

c)

show

113.

Blood carries ____________ to the heart.

a)

vitamins

b)

germs

c)

oxygen

114.

Blood is carried back to your heart in little tubes called ____________.

a)

veins

b)

arteries

c)

hoses

115.

Your heart pumps blood throughout your entire body through little tubes called _____________.

a)

veins

b)

arteries

c)

hoses

116.

Which describes all the parts of the circulatory system?

a)

heart, lungs, stomach, muscles

b)

heart, blood, arteries, and veins

c)

bones, skin, hair

117.
White blood cells
a)
allow for gases to exchange
b)
give blood its color
c)
fight infection and disease
d)
help clot blood
118.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
119.
Identify
a)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Vena cava
120.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
121.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
122.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
123.

This chamber of the heart RECEIVES oxygen rich blood back from the lungs

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

124.

This chamber of the heart pumps the blood from the heart to the lungs through the pulmonary artery

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

125.

This chamber of the heart pumps the blood back out to the body cells through the Aorta

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

126.
Identify the structure the arrow is pointing to
a)
Pulmonary Vein
b)
Pulmonary Artery
c)
Vena Cava
d)
Aorta
127.

Blood is made up of

a)

Plasma

b)

Blood cells - red and white

c)

Platelets

d)

All of the above

128.

Formed in the bone marrow, they are small cells that have important function of clotting of the blood

a)

white blood cells

b)

red blood cells

c)

platelets

d)

leukocytes

129.

What is the major difference between vertebrates and invertebrates?

a)

Vertebrates have a backbone and invertebrates do not.

b)

Invertebrates live in water and vertebrates do not.

c)

Invertebrates have a backbone and vertebrates do not.

d)

Invertebrates are smaller than vertebrates.

130.

Mammals, fish, birds, reptiles and amphibians are all ___.

a)

invertebrate

b)

vertebrate

131.

Is this animal a vertebrate or invertebrate?

a)

invertebrates

b)

vertebrates

132.

Which group does it belong to?

a)

invertebrate

b)

vertebrate

133.

Which group does it belong to?

a)

invertebrate

b)

vertebrate

134.

Which group does it belong to?

a)

vertebrate

b)

invertebrate

135.

Are these animals vertebrates or invertebrates?

a)

vertebrates

b)

invertebrates

136.

Vertebrates are animals with ____.

a)

backbones

b)

special tubes

c)

no backbones

d)

no special tubes

137.

Crabs, lobsters, and shrimp with hard exoskeletons are ___.

a)

vertebrates

b)

invertebrates

138.

What is an invertebrate?

a)

an animal without a backbone

b)

mammals

c)

birds

d)

an animal with a backbone

139.

Animals That body temperature changes depending on surrounding is called

a)

Cool Blooded

b)

Cold Blooded

c)

Warm Blooded

d)

Hot Blooded

140.

Animal that body temperature stays the same all the time is called

a)

Cool Blooded

b)

Cold Blooded

c)

Warm Blooded

d)

Hot Blooded

141.

Jellyfish, spiders, starfish, and worms are ________.

a)

Vertebrates

b)

Invertebrates

142.
Which of the following is NOT a vertebrate?
a)
mammal
b)
arthropods
c)
fish
d)
amphibians
143.
Which class of animal is a snail?
a)
echinoderm
b)
fish
c)
segmented worm
d)
mollusk
144.
Which type of arthropod is a crab?
a)
arachnid
b)
insect
c)
crustacean
d)
echinoderm
145.
Which class of animal is a toad?
a)
reptile
b)
amphibian
c)
mollusk
d)
echinoderm
146.
I have a soft-body, a hard shell, and live on land and water.  What am I?
a)
Mollusk
b)
Arthropod
c)
Echinoderm
d)
Cnidarian
147.
The organism in the picture is a(n)
a)
echinoderm
b)
mollusk
c)
arthropod
d)
cnidarian
148.
The picture shows an example of a(n)
a)
echinoderm
b)
cnidarian
c)
mollusk
d)
annelid
149.
What am I?
a)
Arthropod
b)
Cnidarian
c)
Mollusk
d)
Porifera
150.

Classify this animal.

a)

reptile

b)

segmented worm

c)

amphibian

d)

mollusk

151.
This picture is an example of which group of invertebrates?
a)
Segmented worms
b)
Fish
c)
Sponges
d)
Arthropods
152.

Is a flat surface whose one end is higher than the other to lift heavy objects with relatively little effort.

a)

Wedge

b)

Inclined Plane

c)

Screw

d)

Pulley

153.

Is a simple machine made up of two inclined planes placed back to back creating a thick base and a sharp edge.

a)

Wedge

b)

Inclined Plane

c)

Wheel and axle

d)

Lever

154.

Is another simple machine, which consists of an inclined plane wrapped around a cylinder.

a)

Wedge

b)

Lever

c)

Pulley

d)

Screw

155.

Is a grooved wheel that turns around an axle which is held in place by a mounting bracket. Rope and wire moves along the wheel's circumference.

a)

Screw

b)

Inclined plane

c)

Pulley

d)

Lever

156.

It has the same appearance with a pulley, but is has a wheel that is fixed to the axle, like in the steering wheel of a car.

a)

Incline plane

b)

Lever

c)

Wedge

d)

Wheel and axle

157.

Machines are used to transform, transfer energy, multiply speed or force, and change the direction of the force.

a)

True

b)

False

158.

Do work in one movement or a one-type-of-work easing device.

a)

Compound machine

b)

Simple machine

c)

Washing machine

d)

Factory machine

159.

The following are examples of compound machines EXCEPT..

a)

Bicycles

b)

Sewing machines

c)

Scissors

d)

Crowbar

160.

The following are parts of a lever.

a)

Resistance

b)

Effort

c)

Fulcrum

d)

Distance

161.

Simple machines make work easier by trading ________ for force.

a)

Distance

b)

Motion

c)

Work

d)

Friction

162.

It uses grooved wheels and ropes/chains to raise, lower, or move a load.

a)

PULLEY

b)

SCREW

c)

LEVER

d)

WEDGE

163.

It uses grooved wheels and ropes/chains to raise, lower, or move a load.

a)

PULLEY

b)

SCREW

c)

LEVER

d)

WEDGE

164.

It is an object with a slanted edge that is sharp. It can be used to cut materials apart

a)

PULLEY

b)

SCREW

c)

LEVER

d)

WEDGE

165.

It is a slanted surface used to connect lower surfaces to higher ones.

a)

PULLEY

b)

INCLINED PLANE

c)

SCREW

d)

LEVER

166.

It is an inclined plane wrapped around a shaft that holds things together or lifts objects

a)

PULLEY

b)

SCREW

c)

LEVER

d)

WEDGE

167.

These are basic tools that multiply the amount of force to make work easier.

a)

simple machines

b)

wheel and axle

c)

lever

d)

wedge

168.

Which is a characteristic of simple machines?

a)

They run electricity

b)

They have few or no moving parts

c)

They are difficult to work

d)

They have motors

169.

A simple machine that helps a vehicle to move from one place to another.

a)

lever

b)

inclined plane

c)

wheel and axle

d)

inclined plane

170.

Which of these is an example of a wedge?

a)

wheel

b)

spoon

c)

seesaw

d)

butter knife

171.

Which layer of the Earth is in a liquid state of matter?

a)

Crust

b)

Inner Core

c)

Mantle

d)

Outer Core

172.

Which is the best description of the characteristics of the asthenosphere?

a)

Solid, but flowing

b)

Liquid, but dense

c)

Hot, but solid metal

d)

Brittle, but shifting

173.

Which of the following best describes a change one would observe in moving from Earth's crust downward to the outer core?

a)

Pressure would change from very high to none

b)

Density would change from least to most dense

c)

Plasticity would change from flexible to rigid

d)

Heat would change from relatively hot to cool

174.

The lithosphere consists of the-

a)

upper mantle and crust.

b)

lower mantle and outer core.

c)

inner and outer core.

d)

crust and the entire mantle.

175.

According to scientific data, which layer of Earth is the thickest?

a)

Crust

b)

Inner Core

c)

Mantle

d)

Outer Core

176.

What layer of the Earth is composed of material of the highest density?

a)

Outer Core

b)

Inner Core

c)

Crust

d)

Mantle

177.

Which of the following models would best represent the inner and outer core of Earth, based on the physical characteristics of each layer?

a)

A metal ball bearing (solid) suspended in oil (liquid)

b)

Gelatin (red semi-solid) on top of a cracker (brittle solid)

c)

A ball of clay (solid) filled with water (liquid)

d)

Rubber ball (flexible solid) painted red (thin solid covering)

178.

Oceans and other bodies of water are found on which layer of the Earth?

a)

Outer Core

b)

Mantle

c)

Inner Core

d)

Crust

179.

Which of the following would be an accurate feature to include in a model of the Earth?

a)

A crust that is the thickest layer.

b)

An inner core that contains oceans.

c)

A thin mantle in the center of the model.

d)

A liquid outer core below the mantle.

180.

Which of the following best describes Earth's asthenosphere?

a)

Liquid rock that can reach the surface

b)

Solid rock that is broken into plates

c)

Dense rock that moves the crust

d)

Metal rock at the center of the Earth

181.

Earth's layers are evidence that, over time, Earth has gradually-

a)

spun more quickly.

b)

grown in size.

c)

cooled into a solid.

d)

broken into parts.

182.

How many layers does Earth have?

a)

1

b)

2

c)

3

d)

4

183.

What is the thinnest layer?

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

184.

What is the thickest layer?

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

185.

What is the coolest layer?

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

186.

What is the hottest layer?

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

187.

What is the densest layer?

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

188.

Which layer is the only liquid layer?

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

189.

Which layer is made of solid Iron and nickel?

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

190.

Which layer is made of liquid iron and nickel?

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

191.

The Lithosphere is made up of the ___________.

a)

Crust and Upper Mantle

b)

Inner and Outer Cores

c)

Outer Core and Lower Mantle

d)

Lower and Middle Mantle

192.

What is the Asthenosphere?

a)

an elastic substance on which the tectonic plates float.

b)

the air that we breathe.

c)

another name for a globe.

d)

the hard inner core

193.

If we can't travel to the center of the Earth, how do we know so much about it?

a)

Seismic waves, made by earthquakes and man-made explosions

b)

special camera scopes sent through all the layers of the earth

c)

very long thermometers that can reach to the inner core

d)

super powerful x-rays

194.

Which is TRUE about the continental crust?

a)

It is thinner than oceanic crust

b)

It is denser than oceanic crust

c)

It is thicker but less dense than the oceanic crust

d)

It is thinner and more dense than the oceanic crust

195.

Earth’s lithosphere is made up of what layer/s?

a)

Crust

b)

Mantle

c)

Crust and Mantle

d)

Crust and upper mantle

196.

Where is the thickest part of the crust located?

a)

Along the ocean floor

b)

Mountain area

c)

Valley

d)

Deepest part of the ocean

197.

Which is NOT true about the lithosphere?

a)

It has the same thickness everywhere

b)

It is the outermost part of the earth

c)

It is composed of the continents and the ocean floor

d)

It varies in thickness

198.

Which of the following facts are NOT based on the picture?

a)

Continental crust is thicker than oceanic crust

b)

Oceanic crust is denser than the continental crust

c)

The layer below the crust is the upper mantle

d)

The Lithosphere is composed of the crust and the upper mantle

199.

What do you call the broken segments that make up the lithosphere?

a)

Crust

b)

Mantle

c)

Core

d)

Plates

200.

What do you call the theory about the movement of plates?

a)

plate motion

b)

plate run

c)

plate movement

d)

plate tectonics

201.

Which of the following is NOT an effect of the tectonic plate?

a)

Earthquake

b)

Mountain building

c)

Formation of valley

d)

The temperature of the mantle

202.
What is the spread of lava as it pours out of a vent?
a)
magma chamber
b)
pipe
c)
lava flow
d)
crater
203.

What type of volcano is made of ash and cinders from pyroclastic flow?

a)

Shield

b)

Cinder Cone

c)

Composite

204.

What type of volcano is wide and flat, created by layers of lava flow?

a)

Shield

b)

Cinder Cone

c)

Composite

205.

Which type of volcano is steep and cone-shaped with a bowl-shaped crater?

a)

Shield

b)

Cinder Cone

c)

Composite

206.

Cinder cone volcanoes have which type of eruption?

a)

Quiet eruptions with lava flows.

b)

Explosive eruptions with pyroclastic flow.

c)

Alternating quiet and explosive eruptions.

207.

Which word describes molten rock that is below the crust?

a)

Lava

b)

Magma

208.
What type of volcano has steep slopes made of alternating layers of ash and silica rich lava?
a)
Caldera
b)
Cinder Cone
c)
Composite Volcano
d)

Shield Volcano

209.
What is the definition of dormant?
a)
sleeping
b)
extinct
c)
active
d)
invisible
210.

What is an active volcano?

a)

A volcano that has erupted at least once in the last 10,000 years.

b)

A volcano that hasn’t erupted in the last 10,000 years, but could still erupt.

c)

A volcano that should never erupt again.

211.

What is a dormant volcano?

a)

A volcano that has erupted at least once in the last 10,000 years.

b)

A volcano that hasn’t erupted in the last 10,000 years, but could still erupt.

c)

A volcano that should never erupt again.

212.
The formation of magma depends on which set of conditions?
a)
Pressure, Density, and Water Content
b)
Temperature, Density, and Pressure
c)
Temperature, Density, and Water Content
d)
Temperature, Pressure, and Water Content
213.
Where do volcanoes come from?
a)
Places where plates move apart
b)
Places where plates are moving together
c)
Hot Spots
d)
All of these options
214.

What are some things volcanologists monitor?

a)

emissions

b)

slope

c)

earthquakes

d)

All of the above

215.

What type of volcano has steep sides with a broad base?

a)

Shield

b)

Mega volcano

c)

Composite

d)

Cinder cone

216.

What is another name for a composite volcano?

a)

Metavolcanoes

b)

Stratovolcanoes

c)

Megacones

d)

Epicanoes

217.

True or False: Cinder cones usually erupt for short periods of time

a)

True

b)

False

218.
What is molten rock that has reached the Earth's surface?
a)
Aa
b)
Lava
c)
Magma
d)
Pahoehoe
219.

This movement caused the rocks to move past each other.

a)

Tectonic Earthquakes

b)

Volcanic Earthquakes

c)

Collapse Earthquakes

d)

Explosion earthquakes

220.

It is caused by the breakage of rocks due to changing pressure and tension built up by the injection of magma.

a)

Volcanic-tectonic

b)

Long-period

c)

Tremors

d)

None of the above

221.

Parts of a Volcano

----highest point or the apex of the volcano

a)

Summit

b)

Slopes

c)

Base

222.

Parts of a Volcano

----lower outer part of the volcano

a)

Summit

b)

Slopes

c)

Base

223.

Parts of a Volcano

----sides or flanks of a volcano that radiate from the main or central vent

a)

Summit

b)

Slopes

c)

Base

224.

Other Geologic features of a volcano:

-----mouth of the volcano which is a funnel-shaped or bowl shaped hollow at the top of the vent from where magma, ash and gas comes out

a)

Main Vent

b)

Conduit

c)

Magma Chamber

d)

Side Vent

e)

Crater

225.

Other Geologic features of a volcano:

-----main opening or outlet on the surface of a volcano that emits lava, gases, ash or other volcanic materials.

a)

Main Vent

b)

Conduit

c)

Magma Chamber

d)

Side Vent

e)

Crater

226.

Other Geologic features of a volcano:

-----a region beneath the vent of a volcano where molten rock or magma is deposited or stored before eruption.

a)

Main Vent

b)

Conduit

c)

Magma Chamber

d)

Side Vent

e)

Crater

227.

Other Geologic features of a volcano:

-----underground central tube-like or pipe-like structure of a volcano that connects the magma chamber to the crater through which the magma travels.

a)

Main Vent

b)

Conduit

c)

Magma Chamber

d)

Side Vent

e)

Crater

228.

Other Geologic features of a volcano:

-----smaller outlet through which magma escapes.

a)

Main Vent

b)

Conduit

c)

Magma Chamber

d)

Side Vent

e)

Crater

229.

Other Geologic features of a volcano:

----- is a molten rock which is given off onto the surface of the Earth when a volcano erupts

a)

Main Vent

b)

Conduit

c)

Magma Chamber

d)

Lava

e)

Crater

230.

Other Geologic features of a volcano:

----- is a mixture of rock, minerals, glass particles and gases expelled or pushed out of the volcano during volcanic eruption.

a)

Main Vent

b)

Conduit

c)

Magma Chamber

d)

Ash and Gas Cloud

e)

Crater

231.

It can change within a minute or hours.

a)

Climate

b)

Geography

c)

Weather

232.

US placed their largest military and naval bases in the Philippines.

a)

TRUE

b)

FALSE

233.

Who administer or send out the storm warning signals?

a)

DSWD

b)

DPWH

c)

PAG-ASA

234.

It is a flat surface and will be used to find the location of a place or country.

a)

atlas

b)

globe

c)

map

235.

These are some problems if there will be climate change, EXCEPT.

a)

traffic jam

b)

plants will grow fast

c)

suspension of classes

236.

It takes a very long time to change.

a)

Climate

b)

Weather

c)

Typhoon

237.

What is "amihan"?

a)

northwest monsoon

b)

southwest monsoon

c)

southeast monsoon

238.

What is the other term for "habagat" ?

a)

northwest monsoon

b)

southern monsoon

c)

southwest monsoon

239.

What kind of season experienced in the Philippines every June to November?

a)

hot and dry season

b)

hot season

c)

wet season

240.

It refers to the study of place and the ways of how people live and work.

a)

atlas

b)

geography

c)

globe

241.

Which planet in the solar system has the characteristics that can support life?

a)

Mercury

b)

Earth

c)

Jupiter

d)

Neptune

242.

What planet is the farthest from the sun?

a)

Venus

b)

Mercury

c)

Neptune

d)

Saturn

243.

Which of the following statements describes the inner planets?

a)

They are small and made of ice and gas.

b)

They are large and made up mostly of gas.

c)

They are large and made of gases and metal.

d)

They are solid and made up of rocks and metals.

244.

________________ is known as the "red planet".

a)

Mars

b)

Uranus

c)

Mercury

d)

Neptune

245.

What planet is the smallest in the Solar System?

a)

Earth

b)

Uranus

c)

Mercury

d)

Mars

246.

Which of the following is the biggest planet?

a)

Saturn

b)

Venus

c)

Neptune

d)

Jupiter

247.

It is the first planet discovered by means of a telescope.

a)

Mars

b)

Uranus

c)

Mercury

d)

Earth

248.

Which of the following is NOT a terrestrial planet?

a)

Saturn

b)

Mercury

c)

Venus

d)

Mars

249.

________________ is the first planet to be discovered using mathematical calculations.

a)

Mars

b)

Earth

c)

Neptune

d)

Uranus

250.

Which planet is the brightest object in the sky?

a)

Mercury

b)

Venus

c)

Saturn

d)

Jupiter