DLL Q4 G5 Sci Week 1
DLL Q4 G5 Sci Week 1
DLL Q4 G5 Sci Week 1
B. Performance Standards The learners should be able to The learners should be able to The learners should be able to The learners should be able to participate
participate in projects that reduce soil participate in projects that reduce soil participate in projects that reduce soil in projects that reduce soil erosion in the
erosion in the community. erosion in the community. erosion in the community. community.
C. Learning Competencies/Objectives Describe how rocks turn into soil. Describe how rocks turn into soil. Describe how rocks turn into soil. Describe how rocks turn into soil.
Write the LC code for each (S5FE-IVa-1) (S5FE-IVa-1) (S5FE-IVa-1) (S5FE-IVa-1)
II. CONTENT How Rocks Turn into Soil: Mechanical How Rocks Turn into Soil: Mechanical How Rocks Turn into Soil: Chemical How Rocks Turn into Soil:
Weathering Weathering Weathering Chemical Weathering
III. LEARNING
RESOURCES
A. References
1. Teacher’s Guide pages MELC SCIENCE 5 MELC SCIENCE 5 MELC SCIENCE 5 MELC SCIENCE 5
2. Learner’s Material pages SLM p. ____, PIVOT p. ___ SLM p. ____, PIVOT p. ___ SLM p. ____, PIVOT p. ___ SLM p. ____, PIVOT p. ___
3. Textbook pages
4. Additional Materials from Science Beyond Borders pp. 156-157 Science Beyond Borders pp. 156-157 Science Beyond Borders pp. 156-157 Science Beyond Borders pp. 156-157
Learning Resource (LR) portal
B. Establishing a purpose for the lesson How about a construction on the road Guide Questions: Study the picture below. Answer the Define and explain how the following
side? What happens to the rocks when 1. What causes the boulder to crack? guide questions that follow. contribute to weathering.
the construction worker operates his 2. What will happen if the boulder is 1. wind
jackhammer on these? Can you describe constantly subjected to temperature 2. water
it? changes? 3. temperature
4. plants
5. animals
C. Presenting examples/instances of the How does weathering take place? Identify the contributor (human, plants, Guide questions: Why is weathering an important process
new lesson animals) of mechanical weathering in 1. What do you see in the picture? in the environment?
the following pictures. 2. What has caused the wall to crack?
1. 3. How did the wall crumble and breaks?
2.
3.
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D. Discussing new concepts and Say to the class: The main cause of soil Answer the following questions: Answer the following questions: Answer the following questions: 1.
practicing new skills #1 formation is weathering”. 1. Aside from the activities of humans, 1. When does chemical weathering What are the most common causes of
plants, and animals, what other factors happen? chemical weathering?
1. What is weathering? contribute to mechanical weathering? 2. What causes chemical weathering? 2. Explain how these factors can cause
2. What are the two types of 2. Differentiate abrasion and exfoliation. chemical weathering.
weathering?
E. Discussing new concepts and Directions: Perform the activities by Directions: Perform the activities by Directions: Perform the activities by Activity 2: Independent Practice
practicing new skills #2 following each step carefully. Observe it following each step carefully. Observe it following each step carefully. Observe it Things you need:
properly and write your answers for the properly and write your answers for the properly and write your answer for the 15 pieces of rocks
guide questions in your Science guide questions in your Science guide questions in your Science A paper and pen
notebook. notebook. notebook. 3 large plastic jars or
containers with covers
Activity 1: Mechanical Weathering: Activity 2. Independent Practice Activity 1. Chemical Weathering Water
Pounding Things you need: You will need: Masking tape
Things you need: Clean can (large size) A piece of chalk Vinegar
1piece of chalk A glass of water 1 tablespoon of vinegar
hammer 6 pcs of soft rocks/stones 1 container What to do:
A piece of cloth A piece of cloth 1 Goggle 1. Label each container with the
Reminder: A Rubber band corresponding numbers (1, 2, and 3). Put
Do not play with the hammer and chalk. What to do: five bits of rocks in each marked
What to do: 1. Get a piece of chalk. container.
What to Do: 1. Put some delicate/soft stones in a 2. Place it in a container and pour the 2. Jars 1 and 3 will be loaded up with
1. Wear goggles. clean can loaded up with water and vinegar on it. water, while Jar 2 will be half loaded
2. Get a piece of chalk and enclose it cover it firmly. 3. Observe what happens to the piece of up with vinegar.
with a piece of fabric. 2. Shake the can vigorously for about chalk. 3. Shake the Jars 1 and 2 vigorously for
3. Pound it using a hammer. (Be extra thirty (30) seconds. five (5) minutes, at that point put
cautious in using it.) 3. Drain the water, at that point, put the Guide Questions in a safe spot or rest for five (5) minutes
4. Observe what happens to the piece of substance in a compartment with a piece a. What happened to the piece of chalk also.
chalk. of fabric. when you poured the vinegar on it? 4. For Jar 3, let the water stand for ten
4. Remove the stones and analyze what b. How did the vinegar respond to the (10) minutes, without shaking it.
Guide Questions is left. chalk? 5. Observe what happened to the stones
1. What happened to the piece of chalk c. What sort of progress did the piece of in the three containers/jars.
when beaten with a hammer? Guide Questions chalk go through? 6. Remove the stones from the containers
2. What sort of progress did the piece of 1. Where did the small grains of after 10 minutes.
chalk go through? Why? rocks/stones come from? 7. Examine the measure of rock particles
2. What might have caused it? Why? from the stones.
Guide Questions
a. How do the piles of rocks in
containers 1, 2, and 3 contrast?
b. What causes the changes in the stone?
F. Developing mastery Directions: Analyze the puzzle below. Two Truths, One Lie… Directions: Read and understand the Directions: Read and understand the
(Leads to Formative Assessment 3) Find five (5) words related to Direction: Spot two truth and one lie paragraph. Supply the missing words by sentences well. Write True if the
mechanical weathering inside the box. about mechanical weathering. Put a ( √ ) filling in the blanks. Choose the correct statement is correct and False if it is not,
Write your answers in your Science mark with the letter that tells the truth answer from the terms given inside the then underline the word/phrase that made
notebook. and ( x ) with the letter that tells a lie. box. Write your answers in your Science the statement false. Write your answers
notebook. in your Science notebook.
__ A. Mechanical weathering refers to 1. Weathering is the process of soil
the process by which rocks disintegrate formation.
into small particles due to change in 2. Disintegration is also known as
temperature, human activities, and the chemical weathering.
actions of plants, animals, and frost. 3. Rocks on the surface of the Earth do
__ B. It occurs when water enters cracks 1. __________ are composed of various not change by weathering.
and crevices of rocks and exerts more minerals that expand and 4. When water freezes, it expands and
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pressure, causing the rocks to break. contract in response to 2. exerts more pressure on the rocks
__ C. The crust of the Earth is a layer __________changes. When heated causing the rocks to break.
that covers the entire surface of the during the day, rocks expand, and when 5. Disintegration is a mechanical process
planet and is the top component of the the temperature drops at night, they that breaks rocks into smaller pieces.
lithosphere. contract. The mineral composition of
rocks is affected by their continuous
expansion and contraction. 3.
__________ is the process by which
rocks crumble
and fall apart.
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change in the composition of the rock.
A. Chemical
B. Mechanical
C. Both chemical and mechanical
D. None of these
3. What do you call the process by which
Based on your analysis in the humans extract stones from the
illustrations above, describe how rocks mountains for construction purposes?
turn into soil. A. Digging C. Weathering
1. How do rocks break into pieces? B. Flattering D. Quarrying
2. How does the chemical weathering 4. What will happen to a rock when it is
process break down rocks into exposed to higher temperatures?
particles? A. Contracts C. Expands
B. Evaporates D. Sinks
5. Which of the following is NOT a
factor that causes chemical weathering?
A. water C. oxygen
B. open-field D. carbon dioxide
J. Additional activities for application Quarrying operation being carried out in Quarrying operation being carried out in Diamond is one of the most expensive Diamond is one of the most expensive
or remediation a certain province has been stopped by a certain province has been stopped by stones in the world. It is a kind of gem stones in the world. It is a kind of gem or
the Department of Environment and the Department of Environment and or gemstone. Gemstones are precious gemstone. Gemstones are precious
Natural Resources or DENR. Why do Natural Resources or DENR. Why do stones that are cut, shaped, and made stones that are cut, shaped, and made
you think so? you think so? into jewelry. They are very attractive into jewelry. They are very attractive and
and most of them are very expensive most of them are very expensive too.
too. They come in different colors and They come in different colors and
hardness. Their value depends on their hardness. Their value depends on their
luster and clarity. luster and clarity.
Before being used as jewelry, what Before being used as jewelry, what could
could be done with this gemstone to be done with this gemstone to make
make them more beautiful and them more beautiful and expensive?
expensive? Write your answer in your Write your answer in your Science
Science notebook. notebook.
V. REMARKS
VI. REFLECTION
A. No. of learners who earned 80% in
the evaluation
5
6