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1ST SEM: EARTH AND LIFE SCIENCE > Quarter 1 – Module 1 THE EARTH AS A UNIQUE PLANET > Flashcards

Quarter 1 – Module 1 THE EARTH AS A UNIQUE PLANET Flashcards

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1
Q

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

A

Unique

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2
Q

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

A

Earth

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3
Q

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

A

Planet

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4
Q

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

A

Solar System

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5
Q

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

A

Life

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6
Q

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

A

Goldilocks Zone

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7
Q

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.

A

Ozone Layer

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8
Q

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

A

Core

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9
Q

What makes the Earth habitable?

A

-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.

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10
Q

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

A

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

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11
Q

Air is what sphere?

A

Atmosphere

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12
Q

Water is what sphere?

A

Hydrosphere

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13
Q

Land is what sphere?

A

Geosphere

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14
Q

Living Organism is what sphere?

A

Biosphere

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15
Q

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.

A

c. The Earth has breathable atmosphere.

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16
Q

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.

A

d. All of these.

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17
Q

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.

A

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

18
Q

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.

A

b. Scarce amount of liquid water.

19
Q

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.

A

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

20
Q

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

A

a. mountain or c. volcano

21
Q

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

A

d. all of these

22
Q

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

A

a. crust

23
Q

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

A

b. crust and upper mantle

24
Q

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

A

d. All of these

25
Q

SIX THINGS THAT MAKE LIFE ON EARTH POSSIBLE?

A
  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.
26
Q

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

A

Earth

27
Q

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

A

five billion

28
Q

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.

A

Goldilocks Zone

29
Q

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

A

core

30
Q

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

A

moon

31
Q

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

A

ozone layer

31
Q

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.

A

d. All of these.

32
Q

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

A
  • 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.
33
Q

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.

A

c. The Earth rotates in its axis.

34
Q

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.

A

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

34
Q

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.

A

b. Scarce amount of liquid water

35
Q

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.

A

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

35
Q

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.

A

b. Earth has a lower surface temperature than Venus.

36
Q

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.

A

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

37
Q

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.

A

b. There will be more volcanic eruptions and earthquakes.

38
Q

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.

A

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

39
Q

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

A

d. none of the above

1ST SEM: EARTH AND LIFE SCIENCE (2 decks)

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