Quarter 1 – Module 1 THE EARTH AS A UNIQUE PLANET

Question 1

Word?
Meaning: being the only one of its kind; unlike anything else

Answer 1

Unique

Question 2

Word?
Meaning: is the third planet from the Sun and the only astronomical object known to harbor life.

Answer 2

Earth

Question 3

Word?
Meaning: is a large celestial body that orbits a star and does not shine on its own.

Answer 3

Planet

Question 4

Word?
Meaning: is a group of planets, moons, asteroids, and comets that orbit around a sun.

Answer 4

Solar System

Question 5

Word?
Meaning: is defined as the state characterized by the ability to get and use energy, reproduce, grow, and respond to change.

Answer 5

Life

Question 6

Word?
Meaning: also known as habitable zone, is the range of distance with the right temperatures for water to remain liquid.

Answer 6

Goldilocks Zone

Question 7

Word?
Meaning: - is a region of the stratosphere, about 10-25 miles (15-40 km) above the Earth’s surface, which contains about 90% of the Earth’s atmospheric ozone.

Answer 7

Ozone Layer

Question 8

Word?
Meaning: is the innermost layer of the Earth.

Answer 8

Core

Question 9

What makes the Earth habitable?

Answer 9

-It is the right distance from the Sun
-it is protected from
harmful solar radiation by its magnetic field
-it is kept warm by an insulating atmosphere
-It has the right chemical ingredients for life, including water and carbon.

Question 10

Geographers break down the Earth’s systems into four spheres that make up the world’s?

Answer 10

-air (atmosphere)
-water (hydrosphere)
-land (geosphere)
-living organisms (biosphere)

Question 11

Air is what sphere?

Answer 11

Atmosphere

Question 12

Water is what sphere?

Answer 12

Hydrosphere

Question 13

Land is what sphere?

Answer 13

Geosphere

Question 14

Living Organism is what sphere?

Answer 14

Biosphere

Question 15

The Earth is the only planet in the solar system that supports life. Which of these best explains the statement?
a. The Earth is exposed to the sun’s rays.
b. The Earth has only one moon that orbits around it.
c. The Earth has breathable atmosphere.
d. The Earth rotates in its axis.

Answer 15

c. The Earth has breathable atmosphere.

Question 16

Which of the following contributes to Earth’s ability to sustain life?
a. The Earth is just at the right distance from the sun.
b. The Earth’s core creates a strong and stable magnetic field.
c. The Earth has a precisely tuned amount of water.
d. All of these.

Answer 16

d. All of these.

Question 17

How does the giant planet Jupiter help in sustaining life on Earth?
a. It protects the Earth from solar flares.
b. It stabilizes the Earth’s rotation.
c. Jupiter’s gravitational pull prevents asteroids from entering the Earth.
d. It shields the Earth from the sun’s ultraviolet radiation.

Answer 17

c. Jupiter’s gravitational pull prevents asteroids from entering the Earth.

Question 18

Below are the unique properties of the Earth, EXCEPT:
a. Strong magnetic field.
b. Scarce amount of liquid water.
c. Presence of the moon.
d. Located in the Goldilocks zone.

Answer 18

b. Scarce amount of liquid water.

Question 19

How does the core help in sustaining life on our planet?
a. It creates magnetic field that protects living things from cosmic rays.
b. It regulates the temperature inside the earth.
c. It facilitates the formation of magma.
d. It supplies the people with enough iron to fight common diseases.

Answer 19

a. It creates magnetic field that protects living things from cosmic rays.

Question 20

Which of the following features is formed when there is a continuous
grinding of two colliding lithospheric plates?
a. mountain
b. tsunami
c. volcano
d. valley

Answer 20

a. mountain or c. volcano

Question 21

Which of the following materials serves as supporting evidences to the Continental Drift Theory?
a. edges of the continents
b. fossils
c. coal deposits
d. all of these

Answer 21

d. all of these

Question 22

Which of the following is the thinnest and outermost layer of the Earth?
a. crust
b. mantle
c. inner core
d. outer core

Answer 22

a. crust

Question 23

What makes up the lithosphere?
a. crust and the whole mantle
b. crust and upper mantle
c. mantle and core
d. crust and outer core

Answer 23

b. crust and upper mantle

Question 24

What happens when two oceanic plates collide?
a. Tsunamis may occur.
b. Formation of volcanic island arc.
c. Trench is formed.
d. All of these

Answer 24

d. All of these

Question 25

SIX THINGS THAT MAKE LIFE ON EARTH POSSIBLE?

Answer 25

1. Our location is far from many hazards. 2. Our sun is a stable and long-lasting star. 3. We are at just the right distance from the sun. 4. We have the right stuff to host a dynamic core. 5. We have a big moon to stabilize our axial wobble. 6. We have an ozone layer to block harmful ray.

Question 26

___________ is the only planet in the solar system that is capable of harboring life.

Answer 26

Earth

Question 27

The sun is capable of providing energy to living organisms for another _____ _________ years or so.

Answer 27

five billion

Question 28

Earth is located in the _____________ _______ or habitable zone which means that Earth’s temperature is neither too hot nor too cold for liquid water to exist on the surface.

Answer 28

Goldilocks Zone

Question 29

The ____ in the interior of the planet produces a strong and stable magnetic field which protects organisms from harmful cosmic rays and solar flares.

Answer 29

core

Question 30

The Earth’s ____ helps to stabilize the planet’s rotation, therefore, preventing movements that could cause severe climatic changes.

Answer 30

moon

Question 31

The __________ ______ is very important in protecting our planet from the harmful ultraviolet radiation from the sun.

Answer 31

ozone layer

Question 31

Which of the following contributes to Earth’s ability to sustain life? a. The Earth is just at the right distance from the sun. b. The Earth’s core creates a strong and stable magnetic field. c. The Earth has a precisely tuned amount of water. d. All of these.

Answer 31

d. All of these.

Question 32

What would be the effects of continuous ozone layer depletion to the organisms living on Earth?

Answer 32

- Ozone layer depletion increases UV radiation levels at Earth's surface. - Increased UV radiation is harmful to human health. - Negative effects on humans include: - Higher rates of skin cancers - Increased incidence of eye cataracts - Immune deficiency disorders - UV radiation negatively impacts terrestrial and aquatic ecosystems. - Alters growth, food chains, and biochemical cycles. - Aquatic life near the water’s surface, crucial to the food chain, is especially harmed. - UV rays hinder plant growth, reducing agricultural productivity.

Question 33

The Earth is the only planet in the solar system that supports life. Which of these best explains the statement? a. The Earth is exposed to the sun’s rays. b. The Earth has only one moon that orbits around it. c. The Earth rotates in its axis. d. The Earth has breathable atmosphere.

Answer 33

c. The Earth rotates in its axis.

Question 34

How does the giant planet Jupiter help in sustaining life on Earth? a. It protects the Earth from solar flares. b. It stabilizes the Earth’s rotation. c. Jupiter’s gravitational pull prevents asteroids from entering the Earth. d. It shields the Earth from the sun’s ultraviolet radiation.

Answer 34

c. Jupiter’s gravitational pull prevents asteroids from entering the Earth.

Question 34

Below are the unique properties of the Earth, EXCEPT: a. Strong magnetic field. b. Scarce amount of liquid water c. Presence of the moon. d. Located in the Goldilocks zone.

Answer 34

b. Scarce amount of liquid water

Question 35

How does the core help in sustaining life on our planet? a. It creates magnetic field that protects living things from cosmic rays. b. It regulates the temperature inside the earth. c. It facilitates the formation of magma. d. It supplies the people with enough iron to fight common diseases.

Answer 35

a. It creates magnetic field that protects living things from cosmic rays.

Question 35

How does Earth differ from its twin planet Venus? a. Earth has a medium-layered atmosphere while Venus has a thin atmosphere. b. Earth has a lower surface temperature than Venus. c. Earth’s distance from the sun is nearer compared to Venus.

Answer 35

b. Earth has a lower surface temperature than Venus.

Question 36

What is a Goldilocks zone? a. It is the area that receives most of the heat and light coming from the sun. b. It is the area that has the strongest magnetic field. c. It is the area that has the strongest gravitational pull. d. It is the area that receives enough energy to allow water to exist as a liquid on its surface.

Answer 36

d. It is the area that receives enough energy to allow water to exist as a liquid on its surface.

Question 37

These are the things that would happen if the Earth’s core cools down, EXCEPT: a. The atmosphere will disappear. b. There will be more volcanic eruptions and earthquakes. c. The Earth will be vulnerable to incoming solar and cosmic radiations. d. The plates on the surface will no longer move.

Answer 37

b. There will be more volcanic eruptions and earthquakes.

Question 38

What is the role of the moon in making Earth as the only planet to sustain life? a. It causes extreme temperatures. b. It causes very high and low tides. c. It causes stability of the Earth’s rotation. d. It causes irregular days and nights.

Answer 38

c. It causes stability of the Earth’s rotation.

Question 39

The following are the factors that make a planet habitable, EXCEPT: a. temperature b. water c. atmosphere d. none of the above

Answer 39

d. none of the above