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WORKSHEET NO. 1
ESSAY: Answer the following questions focusing on the content of our lesson. Write your
answers on a paragraph form with five (5) to six (6) statements per paragraph.
1. What is the significance of understanding the characteristics of the earth?
2. Which of the aforementioned unique characteristic of earth do you like the most and
why?
3. Give at least five (5) insights that you learn from this lesson, as your way of recognizing
the uniqueness of Earth as a planet of life. Write it in paragraph form.
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WORKSHEET NO. 2
MULTIPLE CHOICE: Select the letter of your choice from among the given options. Write
all your answers in your activity notebook.
1. One of the characteristics that make earth a unique planet is it location in the
solar system. What is a significant contribution of the fact that Jupiter is Earth’s
neighbour in the solar system?
A. Its strong gravity energizes the earth
B. Its strong gravity attracts Kuiper belts
C. Its strong gravity balances the earth in its orbit
D. Its strong gravity attracts space debris away from the Earth
2. The earth is able to sustain life for millions of years because of the presence of this
shield that protects the life forms from harmful solar radiation.
A. Aurora
B. Atmosphere
C. Magnetic field
D. North and south pole
3.
A.
B.
C.
D.
What will happen if the earth is bigger than its current size?
It will not be able to sustain life
It will not have a moon on its orbit
It will move farther away from the sun
It will attract materials more strongly towards its center
4.
A.
B.
C.
D.
Which of the following statements is true about the earth’s subsystem?
Most of the liquid water found in earth’s surface is potable
If the earth had been bigger than its current size, it would have less gravity
It takes 500 seconds from light from the sun to reach the surface of the earth
Earth is the only planet in the solar system having water in three phases: solid,
liquid and gas.
5. Unlike other planets in the solar system, earth holds an atmosphere which has an
essential function to life. What substance in the stratosphere is responsible for
absorbing high-energy radiation from the sun?
A. Ozone
B. Methane
C. Carbon dioxide
D. Diatomic oxygen
6. One of the four subsystems of the earth is the atmosphere. Which of these is the
correct sequence of atmospheric layer from the bottom up?
A. stratosphere-mesosphere-troposphere-thermosphere
B. troposphere-thermosphere- stratosphere-mesosphere
C. stratosphere- troposphere-thermosphere-mesosphere
D. troposphere-stratosphere-mesosphere-thermosphere
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7.
A.
B.
C.
D.
Which of the following statement is true?
Solar flares are deflected by gravity
Magnetosphere is part of the lithosphere
Aurora borealis is the result of falling space debris
The earth’s magnetic north pole serves as its geographic south pole
8.
A.
B.
C.
D.
Which of the following statements is true?
Minerals may exist in solid form
Metallic minerals have light streak
The biggest of the four subsystems is the lithosphere
The biggest of the four subsystems is the hydrosphere
9.
A.
B.
C.
D.
How does matter and energy flow in the atmosphere?
By the movement of air due to the difference in temperature
By the movement of air due to the difference in concentration
By the movement of air due to the difference in chemical composition
All of these
10. Which of these best exemplifies the flow of energy in the biosphere?
A. Food chain
B. Water cycle
C. Photosynthesis
D. Cellular respiration
11. A sample of mineral is being studied in the laboratory. Which of its property is
readily manifested by sheer observation?
A. Color
B. Streak
C. Luster
D. Hardness
12. A certain mineral is white in color. After it is bombarded with ultraviolet light, its
color changes into light red. What property of mineral is exemplified in the
scenario?
A. Color
B. Luster
C. Streak
D. Fluorescence
13. What property of mineral enables it to continue glowing even after a source of
ultraviolet light has been turned off from it?
A. Luster
B. Asterism
C. Fluorescence
D. Phosphorescence
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14. What mineral has the capacity to scratch all other minerals?
A. Topaz
B. Quartz
C. Fluorite
D. Diamond
15. Diamond is an example of mineral with
A. Brilliant luster
B. Glassy luster
C. Pearly luster
D. Waxy luster
16-19. Enumerate the four subsystem of the earth.
16.
17.
18.
19.
20.Explain one subsystem of the Earth.
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WORKSHEET NO. 3
ENUMERATION. Fill out the graphic organizer below applying important concepts about
minerals and its properties. Write your answers on your activity notebook.
Note: Copy this format of this activity and place it in your activity notebook.
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WORKSHEET NO. 4
Browse through the net using the link, https://bit.ly/3iIzEA6 and identify the minerals
which are being described based on the given physical and chemical properties. Use a clean
sheet of paper to do this. Copy and answer. (1 point each)
Physical/Chemical Properties
Mineral
1.Pink or white, wavy lines, right angles, 2 cleavage planes
2.Black and splintery, 2 cleavage, barely scratches glass
3. Glassy, used to make glass, no cleavage planes
4.Olive green, sugary, component of peridotite (mantle)
5.Talcum powder, scratch with fingernails, too small
crystals
6.Salty taste, perfect cubic cleavage, NaCl crystals
7.Many colors, doesn’t scratch glass, 4 cleavage planes,
hydrofluoric acid
8.Scratch with fingernail, Pencil “lead”, slippery
9.Yellow streak, used to make sulfuric acid, cluster of
brittle crystals
10.Gray streak, iron oxide, magnetic, high specific gravity
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WORKSHEET NO. 5
REFLECTION PAPER. Reflect on the following question by applying what you learn from
the topic on the four subsystems of the Earth. Use the CERA model as you write your
reflection pertaining to the topic. Please be guided with the acronym of CERA: C for
content, E for your experience, R for your reaction and A for applications of the topic.
Write one paragraph for each component. A rubric will be used to rate your output.
Format
(CERA)
5
3
1
Concept
The concept/s are
clearly stated with
supporting details
that entails
comprehension of the
subject matter.
The concept/s is/are
clearly stated but the
supporting details are
less comprehensive.
The concept/s
is/are not clearly
stated and the
supporting details
are ambiguous.
Experience
Experience shown is
closely related the
concept/s. Many
lessons can be taken
from it.
Experience is related
to the concept/s
learned and there are
some lessons can be
taken from it.
The experience is
irrelevant or has
less relevance to the
concept/s stated.
Lessons learned are
unpredictable.
Reaction
Shows very strong
reaction about the
concept based on the
experience/s stated.
Shows strong reaction
about the concept
based on the
experience/s Stated.
Shows ambiguity;
Seems not affected
by experience stated
and far from the
concept/s.
Application
Applications
pertaining to the
topic is clearly shown
and are very
comprehensive.
Shows complete
understanding of the
concepts presented
particularly on how it
could be applied in
real life situations.
Statements show
positive response on
the content presented
and show
understanding on
when to apply the
said concepts in real
life contexts.
Statements show
less importance of
the concepts;
concepts are not
necessary for any
real life situation,
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WORKSHEET NO. 6
MULTIPLE CHOICE. Read and analyze the statement carefully. Select the best letter of
your choice.
1. How many seconds does it take for sun’s light to reach the surface of the earth?
A. 150 seconds
B. 250 seconds
C. 500 seconds
D. 1000 seconds
2. What is the average distance between the earth and the sun?
A. 91 million miles
B. 93 million miles
C. 95 million miles
D. 97 million miles
3. What is the process by which plants manufacture their own food by converting
solar energy into chemical energy?
A. Calvin cycle
B. Photosynthesis
C. Cellular respiration
D. Photodissociation
4. What is the gaseous layer that envelops the earth?
A. Ionosphere
B. Atmosphere
C. Ozone layer
D. Stratosphere
5. The earth’s outer core is predominantly made up of iron and
A. Nickel
B. Cobalt
C. Copper
D. Aluminum
6. The largest among the four subsystems
A. Biosphere
B. Geosphere
C. Atmosphere
D. Hydrosphere
7. It encompasses all life forms on earth
A. Biosphere
B. Geosphere
C. Atmosphere
D. Hydrosphere
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8. Oceans occupy what percent of earth’s water?
A. 65%
B. 71%
C. 80%
D. 98%
9. This compound in the stratosphere absorbs high energy radiation
A. Ozone
B. Methane
C. Carbon dioxide
D. Diatomic oxygen
10. Scientists were able to understand earth’s interior by means of sophisticated
pieces of equipment involving
A. Radar
B. sound
C. photons
D. seismic waves
11. The property of mineral that can be observed directly is the
A. Size
B. Color
C. Streak
D. Texture
12. The second softest mineral according to the Mohs scale of hardness is the
A. Talc
B. Apatite
C. Calcite
D. Gypsum
13. Which of these is an example of a silicate mineral?
A. Galena
B. Gypsum
C. Feldspar
D. Corundum
14. Which of these is an example of non-silicate mineral?
A. Galena
B. Feldspar
C. Orthoclase
D. Plagioclase
15. This refers to the ability of a mineral to continue glowing even after a source of
ultraviolet has been turned off.
A. Luster
B. Luminosity
C. Fluorescence
D. Phosphorescence
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WORKSHEET IN EARTH AND LIFE SCIENCE 11 | Prepared by: Mr. A.C.M