Module 1

Question 1

Why is Earth called “the living planet?”
A. It sustains life.
 C. It has water at the surface
B. It has an atmosphere
 D. All of the above

Answer 1

d

Question 2

Which among the set of planets are called terrestrial?
A. Jupiter, Neptune, Uranus
B. Mercury, Venus, Mars, Earth
C. Earth, Venus, Mars, Jupiter
D. Jupiter, Saturn, Uranus, Neptune

Answer 2

B.

Question 3

What makes the planet Earth habitable compared to other
planets?

A. It has soil. C. It has people.
B. It has trees. D. It has liquid water.

Answer 3

D

Question 4

What makes planet Earth habitable?
A. It has a comfortable distance from the sun.
B. It has an atmosphere that protects from radiation.
C. The atmosphere holds carbon dioxide and other gases.
D. All of the above

Answer 4

D

Question 5

Why is Earth called a terrestrial planet?
A. It has life
 C. It is farther from the sun
B. It is closest to the sun 
D. It is placed at almost the middle
planets

Answer 5

B.

Question 6

6. Which of the following best describes the surface of the planet
   Earth?

A. a thick layer of hydrogen gas
B. cloudy and hot with lots of volcano
C. cold, rocky, and covered with red dust
D. mostly water surface with some areas of land

Answer 6

D

Question 7

7. Earth is said to be a unique planet. Which answer verifies the
   statement?
   A. It supports life.
   B. It is mostly covered in water.
   C. Its atmosphere is mostly nitrogen and oxygen.
   D. All of the above

Answer 7

D

Question 8

8. Which is supported and sustained by planet?
A. life 
B. a moon
C. a rocky core 
D. an atmosphere

Answer 8

A

Question 9

9. How many percent of water comprises the Earth?
   A. 15% C. 50%
   B. 30% D. 70%

Answer 9

D

Question 10

10. Which factors are needed for organisms to live on Earth?
A. temperature and nutrient 
B. atmosphere and energy 
C. only A
D. both A and B

Answer 10

D

Question 11

11. What characteristics does the Earth have to maintain an
    organism’s body to survive?
    A. Earth has a water cycle and atmosphere
    B. Earth has volcanic activities to circulate nutrients.
    C. Earth has sub-surface water or molten rock that can circulate
    and replenish nutrients for organisms.
    D. All of the above

Answer 11

D

Question 12

12. What makes Earth similar to Venus?
    A. Earth and Venus are the right sizes to hold a sufficient
    atmosphere.

B. Venus’ atmosphere is 100 times thicker than Earth.

C. Among all the solid planets and moons, only Earth, Venus, and
Titan have significant atmospheres.

D. Both A and C

Answer 12

D

Question 13

13. Which statement about the Earth will help organisms to
    survive?
    A. Earth has no protective equipment like ozone.

B. Earth has layer water only for favorable climate.

C. Earth has man-made natural cycles

D. Earth’s temperature is neither the hottest nor the coldest
among other planets.

Answer 13

D

Question 14

14. Which distinct characteristic made Earth different from any
    other planet?
    A. It is the only rocky planet.
    B. It is the only planet that turns around in space.
    C. It is the only planet that has a large amount of liquid water.
    D. It is the only planet that changes its structure

Answer 14

A

Question 15

15. What does Earth offers to human in order to sustain life?
    A. Earth has abundant plant life.
    B. Earth has sufficient nutrients from ocean to land.
    C. Only A
    D. Both A and B

Answer 15

D

Question 16

1. What makes planet Earth different from the other planets in the solar
system?
A. It supports life. 
C. The atmosphere holds
gases.
B. It is mostly covered in water. 
D. All of the above

Answer 16

D

Question 17

2. Which best describe planet Earth? A. It has people that live in it.
   B. It has soil where trees grow.
   C. It has trees that provide oxygen.
   D. It has liquid water in the surface.

Answer 17

D

Question 18

3. What makes planet Earth a “house” for living organisms?
   A. It has comfortable distance from the sun.
   B. The atmosphere serves as shields from the sun.
   C. Only A
   D. Both A and B

Answer 18

D

Question 19

4. Which is not true in a comparison between Mars and Earth?
   A. It has life mechanism.
   B. It has water and atmosphere.
   C. It has carbon dioxide in the atmosphere.
   D. It has atmosphere
   that supports oxygen.

Answer 19

B

Question 20

5. Which must be provided for an organism to survive in planet Earth?
   A. Mars has larger isolated shield volcanoes than Earth
   B. Mars likely cooled more slowly than Earth.
   C. Unlike Earth, there are ices on the polar caps of Mars.
   D. Unlike Earth, liquid water has not yet been detected on Mars.

Answer 20

B

Question 21

6. Planet Earth is considered as “blue planet.” Which of the following best
   describes the surface of planet Earth?
   A. Earth has atmosphere.
   B. Earth has lots of volcano.
   C. Earth is covered with red dust.
   D. Earth has mostly water on the surface.

Answer 21

D

Question 22

7. For many, Earth is different from other planets. Why do you think so?
   A. Earth is mostly covered in water.
   B. Earth has comfortable distance from the sun.
   C. Earth has carbon dioxide on its atmosphere.
   D. It has approximately same size as that of Venus.

Answer 22

A

Question 23

8. Which statements best define planet Earth?
   A. It has gases. C. It has rocky core.
   B. It supports life. D. It supports other planet.

Answer 23

B

Question 24

9. It was found out that Earth’s surface is covered with water.
   Approximately, how many percent of water comprises the Earth?
   A. 45% water C. 60% water
   B. 50% water D. 70% water

Answer 24

D

Question 25

10.Earth can support the survival of organisms. What is/are the factor/s
that make/s Earth habitable?
I. atmosphere III. temperature
II. energy IV. nutrient
A. I             C. I, II, III
B. I, II          D. I, II, III, IV

Answer 25

D

Question 26

11.In order for an organism to survive, nutrients are needed. What are
the nutrients that planet Earth can offer for an organism to exist?
A. Earth has an atmosphere and ozone layer.
B. Earth has both water cycle and nitrogen cycle.
C. Earth has natural activities to circulate nutrients.
D. All of the above

Answer 26

D

Question 27

12.Many studies have shown similarities of Earth and Venus. What
makes Earth similar with Venus?
A. Earth and Venus have the same orbit.
B. Earth and Venus have the same diameter.
C. Earth and Venus have the same atmosphere.
D. Earth and Venus are of the right size to hold a sufficient
atmosphere.

Answer 27

D

Question 28

13.What makes human and other living organisms capable to live on
Earth?
A. Earth can provide food for the organism.
B. Earth can protect the organism from any possible threat.
C. Earth’s temperature is mostly hot compared to other planets.
D. Earth has the right amount of temperature, water, good
atmosphere, and favorable climate.

Answer 28

D

Question 29

14.Planet Earth is considered uniquely different from any other planets in the Solar system. Which among the given choices correctly answers the statement?
A. Earth is the only planet that changes structure.
B. Earth is the only planet that turns around in space.
C. Earth is the only planet that is mostly covered with water.
D. Earth is the only planet that is mostly made from rocks.

Answer 29

C

Question 30

15.What is the reason why every living thing on Earth has the chance of survival?
A. Earth is covered with 65% water.
B. Earth thick atmosphere consisted mainly of carbon dioxide.
C. Earth has active volcanoes similar with those that are found in
Venus.
D. Earth has ozone layer to protect living organisms from harmful
radiation.

Answer 30

D