Grade 7, Quarter 3
Grade 7, Quarter 3
Grade 7, Quarter 3
Additional Materials
IV. LEARNING TASKS
Define motion. When do we say that the Differentiate distance from What is speed? Check the
(emphasize frame of object moved? displacement (definition, What is velocity? output/assignment of
reference) What are the ways of units, scalar/vector) student on acceleration
describing motion?
ELICIT What are causes or factors Can 2 objects have the same
that affect the movement of displacement though they
objects? travel at different distances?
V. REMARKS
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
Grade 7
Quarter 3
Page 10
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
Grade 7
Quarter 3
Page 13
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
Grade 7
Quarter 3
Page 14
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
Shoe box, cardboard Sounding box, wooden rod, Picture of ultrasound Indigenous materials Grade 7
Elastic rubber bands ruler and guitar apparatus/machine, animals like Quarter 3
Additional Materials Pair of scissors , ruler bats or dogs, table showing the Page 17
different frequency range of some
sounds.
IV. LEARNING TASKS
Classify sound waves as 1. What is sound wave? What are the characteristics of Enumerate the
to: 2. What are needed in sound waves? characteristics of sound.
a. the movement of the sound production?
particles in relation to the 3. What are the media for Enumerate the parts of the ears
ELICIT motion of the wave sound transmission? and their functions
4. Compare the
b. need or no need of a transmission of sounds
medium in different media (solid,
liquid, gas).
Place your fingers on your Post on the board the different Select 2 students (one who has Let the students go
throat while saying –YES strips of paper with the following soprano voice and the other one outside for 5 minutes then
YES YO… terms: with bass voice) and let them sing let them collect indigenous
-Frequency a common song. materials found in the
What did you feel? -Wavelength surroundings.
-Amplitude What other examples of high-pitch ( or the teacher may
Were there vibrations in the -Loudness and low-pitch sounds can you assign the students days
ENGAGE throat? -Pitch give? before to bring the
Ask students what they know materials)
Try it again and this time, about the terms.
say – “Mom! Phineas and Test the materials if they
Ferb are making a title produce sound.
sequence!”
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
Essential Question: Essential Question: Essential Question: What are the Essential Question: What Grade 7
How are sound waves What are the different different classifications of waves sound characteristic Quarter 3
produced and transmitted? characteristics of sound waves? according to their frequencies? enables us to differentiate Page 18
Differentiate one from the other. one sound from the other?
EXPLORE
Let the students perform Students perform Activity2. Reading Activity by group: Let the students perform
Activity1. My Own Properties and Characteristics LM pp 38-39 Activity 3 on the learners’
Sounding Box. of Sound module on pages 40-41.
(pages 32-33, 1st ed. Part (pages 35-37)
2)
Data processing may be Discuss the answers to the Let the students identify and give Allow the students to
done by group presentation guide questions. the importance of the different perform.
and class classifications of sound waves
discussion of the guide Allow students to interact. according to their frequencies. How was your gig? Did
questions to probe the you enjoy the activity?
concept of sound Lecturette:
EXPLAIN
Propagation. Sound Reception
that your ear is not music, a soft music while the How do bats search for Grade 7
touching the table. What father considers it a loud sound. their food at night? Quarter 3
happens? In which The father may even interpret Give some applications of Page 19
situation did you encounter the sound as a distorted sound, sonar device.
louder and more which is known as noise. Noise
pronounced sound? In is a wave that is not pleasing to
which situation did you the senses. Compare the hearing capacity of
encounter the sound older persons to younger ones.
clearly?
If possible, let the students watch
*Ask the students to look at the video presentation about
figure 3 on page 34 about Human audio Spectrum
the molecules of different https://www.youtube.com/watch?v=
media. qNf9nzvnd1k
* Analyze the spacing of
particles and come up with
a concept that sound
travels fastest in solids and
slowest in gases.
* Discuss also about the
three factors of which the
sound speed is dependent
of:
(atmospheric pressure,
relative humidity, and
atmospheric temperature)
Answer the following. I. Modified True or False Fill in the blanks. Evaluate students’ Grade 7
1. Which of the following 1. Pitch refers to the 1. The response of the performance using the Quarter 3
produce sound? highness or lowness of human ear is limited to a Rubric for Scoring Page 20
a. clashing cymbals in an sound. range of frequencies of
empty space 2. Amplitude refers to how about _ to 20, 000
b. a bell ringing in a soft or how intense the Hz.
vacuum sound is as perceived 2. These frequencies are
c. vibrating objects by the ear and referred to as
d. a table at rest interpreted by the brain. frequencies or sonic
2.Compare to the speed of 3. The pitch of a high frequencies.
light, sound travels _ frequency sound is low. 3. Vibrational frequencies
a. faster 4. A low frequency sound beyond 20,000 Hz are
b. slower has a high pitch. called frequencies.
c. at the same speed 5. Loudness is a 4. Extremely low frequencies
d. there is not enough psychological sensation are known as
EVALUATE information to compare the that differs for different frequencies.
two. people. 5. The human _ is not
6. The quality of sounds capable of detecting
3. Which of the following enable us to differentiate ultrasonic or infrasonic
would transmit sound the sound of a piano from sound.
fastest? that of a guitar.
a. steel cabinet
b. water in the ocean II. Trace the flow of sound
c. air in your classroom energy from the outer ear to the
d. water in a swimming memory center of the brain.(use
pool arrows)
V. REMARKS
VI. REFLECTION
From the evaluation,
No. of Learners who
earned:
80% and Above:
Below 80%:
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
Which of my teaching
strategies worked well?
Why did these work?
What difficulties did I
encounter which my
Principal/ Supervisor can
help me solve?
What innovation or
localized materials did I
use/ discover which I wish
to share with other
teachers?
Game: Give me what I Show picture of James Hold a prism or a bottle Show them a sample of
want Clerk Maxwell. half-filled with water against pinhole camera.
Ask students to give a light Elicit prior knowledge sunlight or any light source
source found in the locality about theory formulated by like a flashlight.
Example: penlight, candle, Maxwell.
alcohol lamp, etc. Ask:
ENGAGE
1. What do you observe?
Ask them of the different 2. Enumerate the colors
light sources in their place you observe.
to arrive at the concept that
there is a variety of light
sources.
Essential Questions: Essential Question: Essential Question: Essential Question:
What are the different What are the different Compare the energies, Describe the path travelled
sources of light? characteristics of light? frequencies and by light.
On what factors does the wavelengths of the different
intensity of light depend? color components of light?
Divide the class into Perform activity 2 My Perform Activity 3.1, 3.2, Perform Activity 4:
EXPLORE
manageable group sizes. Spectrum Wheel 3.3 : Colors of Light-Color Light up Straight !
(LM pages 47-50) of Life! (LM pp 51-55) (LM pages 55-57)
Let students perform
Activity1.Light sources: Note: Teacher
Langis kandila or demonstrates Activity 3.3
lampara (pages 44-46)
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
Answer the Guide Answer the Guide Students answer the Guide Showcase of outputs Grade 7
Questions Questions Questions in Part I and Part Quarter 3
2 Page 25
Lecturette:
EXPLAIN
*Sources of Light Students fill in the table for
*Difference between Activity 3.3
brightness and
intensity of light
What are the sources of 1. What make up the Compare the energies, What have you observed/
light? electromagnetic frequencies and discovered from the output
spectrum? wavelengths of the different you have made?
What factors affect the 2. Compare their color components of light?
intensity of light? wavelengths, Does light travel in a
frequencies and How are different colors straight line or not?
energies.
produced?
3. What are the different
characteristics of light
as a member of the EM Identify some applications
ELABORATE wave spectrum? of light and colors in your
4. Why are we not surroundings.
advised to stay under Discuss:
the sun after 9:00 in the 1. Dispersion
morning? 2. Rainbow formation
Video Presentation:
The characteristics of light
https://www.youtube.com/
watch?v=IdGWaLRIL4Y
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
Fill in the blanks. Given: Answer the following: Evaluate their outputs Grade 7
(1) The brightness of A using a Rubric Scoring
light depends on the Red Quarter 3
EVALUATE Microwave guide on LM page 56.
and the Orange Page 26
from the B Yellow
source. C Green
(2) Brightness is Ultraviolet wave Blue
qualitative and is x-rays Violet
dependent on the
D 1. Which color has
person’s
. the highest
(3) Brightness can be Choose the letter of the frequency?
expressed as best answer. (refer to the 2. Which color has
luminous intensity electromagnetic spectrum the lowest
with a unit known as shown above) frequency?
. 1. Which wave 3. Which color has
corresponds to region the longest
C? wavelength?
a. Visible spectrum 4. Which color has
b. Radio the shortest
c. Sound wavelength?
d. X-ray 5. Which color has
2. Which wave has the the highest
longest wavelength? energy?
a. Radio wave
b. X-ray
c. Gamma ray
d. microwave
3. Which of the following
is not an
electromagnetic wave?
a. Infrared
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
b. Radio Grade 7
c. Sound Quarter 3
d. X-ray Page 27
4. Among the
electromagnetic wave,
which has the highest
frequency?
a. Infrared
b. Radio wave
c. Ultraviolet
d. Gamma rays
5. Light is an
electromagnetic wave.
Which characteristic is
common in all EM
waves?
a. Frequency
b. Amplitude
c. Wavelength
d. Speed
What is bioluminescence? Give examples of wireless Study for a Summative
Name some organisms that communication gadgets. Assessment
are bioluminescent. How do those gadgets
affect our everyday lives?
EXTEND .
Bring all the needed
materials listed on page 51
for the next activity.
V. REMARKS
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
that the students know how curtains, glass windows, the pan containing it? If inside the container stay Grade 7
to read them properly and the floor, and the wooden water is a poor conductor cold longer. Quarter 3
also introduce the proper chairs. Then ask them to of heat, how is this Page 30
handling of the instrument. share their observations. possible?
Essential Question: Essential Question: Essential Question: Essential Question:
When will heat transfer What is conduction? How is heat transferred in What is radiation?
take place? fluids?
EXPLORE Perform Activity 1 in LM Perform Activity 2 in LM Perform Activity 3 in LM Perform Activity 4 in LM
pages 192-195 pages 195-197 pages 197-198 pages 199-200
Discuss the table and
graph construction.
Answer the Guide Answer the Guide Answer the Guide Answer the Guide
Questions in the Activity. Questions in the Activity Questions in the Activity Questions in the Activity
Choose the correct Write the correct ANSWER: Write the CORRECT Write the correct ANSWER: Grade 7
ANSWER: 1. Which of the following answer: 1. Complete the following Quarter 3
1. Change in temperature objects is the best thermal 1. Through which of the statement: The interior of a Page 31
of the object signifies? conductor? following will convection thermos bottle is silvered to
a. flow of energy a. rubber most likely to occur? minimize heat transfer due
b. heat transfer b. water a. liquids and gases to
c. thermal equilibrium c. air b. liquids and solids a. radiation
d. hot object d. aluminum c. solids and gases b. conduction
2. Which of the following is 2. are the materials d. solids and plasma c. conduction and
true? we use to prevent our hand 2. Transfer of thermal convection
a. The higher the change from being burned. energy in circulation within d. conduction and
in temperature, the higher 3. ln the process of fluids is termed as radiation
the amount of heat transfer. conduction a. conduction current e. conduction, convection
b. The lower the change a. Energy is transferred b. convection current and radiation
EVALUATE
in temperature the higher form a lower temperature c. radiation current 2. Which of the following is
the amount of heat transfer. substance to a higher d. all of the above the case of heat transfer by
c. Temperature change temperature substance. 3. True or false. radiation?
does not affect amount of b. Energy is transferred The sun DIRECTLY heats a. blast furnace
heat transfer. from higher temperature the air in our atmosphere. b. heating of building
d. None of the above substance to a lower 4. Which of the following is c. cooling of parts in
statement is true. temperature substance. an example of convection? furnace
c. The amount of energy a. Circular motion of d. heat received by a
3. As more heat is added to is increase water when it starts to boil person from a fireplace
a sample of water boiling in d. Both substances gets b. Rising warm air e. all of the above
a stove, its temperature … hotter. currents 3. Heat transfer by
a. remains the same 4. In the process of c. both mentioned radiation merely depends
b. increases conduction, d. not mentioned upon:
c. decreases a. fast –moving particles a. its temperature
get larger b. nature of the body
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
d. increases, then b. slow- moving particles 5. Which of the following c. kind and extent of its Grade 7
decreases get smaller statements about surface Quarter 3
4. Two different objects c. fast-moving particles convection is true? d. all of the above Page 32
with different temperatures transfer energy to slower- a. Convection always e. none of the above
are in thermal contact with moving particles involves the circulation of a 4-5 Give 2 examples of
one another. The d. slow-moving particles liquid or gas heat transfer by radiation.
temperatures of the objects transfer energy to fast- b. All types of currents
determine moving particles. are convection currents
a. the process by which 5. If you place a piece of c. Convection occurs
thermal energy is hot metal in cold water, the between solids only at high
transferred. temperature of the metal temperature
b. the heat capacity of would while the d. Convection can only
each object. temperature of the water occur during the process of
c. the direction of transfer would _. boiling
of thermal energy between
the objects.
d. the amount of internal
energy in each object
5. To which container mix
with tap water will the
greatest amount of heat
transfer be possible?
a. container with hot
water
b. container with cold
water
c. container with tap
water
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
V. REMARKS
VI. RELECTION
From the evaluation,
No. of Learners who earned:
80% and Above:
Below 80%:
Did the remedial lessons
work? No. of Learners who:
have caught up with
the lesson
continue to require
remediation
Which of my teaching
strategies worked well?
Why did these work?
What difficulties did I
encounter which my Principal/
Supervisor can help me
solve?
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
Grade 7
School Grade Level Grade 7 Quarter 3
Grade 7
Page 35
Daily Lesson Log Teacher Learning Area Force, Motion & Energy (Physics)
Junior HS Science Teaching Dates Quarter Third
Additional Materials
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
Explain how each situation Answer the Guide Let the students discuss Answer the Guide Grade 7
in the table show a specific Questions in the Activity the Law of Conservation of Questions in the Activity Quarter 3
EXPLAIN means of heat transfer Charge and the Page 37
Electrostatic Law. Lecturette:
Conductors vs. Insulators
Present the diagram Differentiate the two types Discuss the Law of Discuss the difference
showing the basic parts of of charges. Conservation of Charges between conductors and
a thermos bottle. Let the and Electrostatic Law. insulators.
students examine the parts Explain how objects are Cite examples of
and the materials used. charged by friction. conductors and insulators.
Allow them to explain how
these containers keep the How is charging by
ELABORATE
liquid hot or cold for a induction done?
longer period of time. Let
them also explain how the Video Presentation:
methods of heat transfer Charging by
are affected by each of the induction(TutorVista)
material. https://www.youtube.com/w
atch?v=mL6Zb2pO9CA
Write the CORRECT Answer the following Fill in the blanks: Answer the following
answer: questions: A. The Law of questions:
The lady is cooking a 1-2 What are the two types Conservation of Charges 1. Which of the following
noodle soup using a pan of charges? states that 1 can be attracted by
EVALUATE
made of metal. 3. What will happen when Cannot be created nor positively charged objects?
1. How does heat travel two like charges are 2 but can be A. Another positively
through the pan? brought together? 3_ from one charged object
a. by radiation A. They will repel each material to another. B. Any other object
b. by convection other C. A neutral object
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
c. by dispersion B. They will attract each B. Electrostatic Law states D. No other objects Grade 7
d. by conduction other that like charges 4_ 2. A negatively charged rod Quarter 3
2. How does heat travel C. They will neutralize each and unlike charges is brought near a metal that Page 38
through the soup? other. 5 _. rests on a wooden box. You
a. by radiation D. Will have no effect on touch the opposite side of
b. by convection each other. the can momentarily with
c. by dispersion 4. Which of the following your finger. If you remove
d. by conduction describe the usual way by your finger before removing
3. In what direction does which a material can gain a the rod, what will happen to
heat travel through the positive charge? the can?
soup? A. By gaining protons A. It will be discharged
a. from top to bottom B. By gaining electrons B. Its charged will remain
b. from bottom to top C. by losing protons as it was.
c. both A and B D. By losing electrons C. It will become positively
d. neither A or B 5. If you comb your hair charged
4. Which of the following and the comb becomes D. It will become negative
explains why the lady is positively charged, what 3. Is it possible to charge an
able to hold the handle of will happened to your hair? electrical insulator?
the pan with her bare A. it will remain uncharged A. No because they hinder
hands? B. it will be repelled by the charges from passing
I. The handle is made of comb through them
good insulator of heat. C. It will become positively B. No, because insulators
II. The handle has low charged have no free charges in
thermal conductivity D. it will become negatively them
III. The handle has high charged C. Yes, because they can
thermal expansion also conduct electricity
a. I and II only D. Yes. Because electrons
b. I and III only can be transferred between
c. II and III only insulators through friction.
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
V. REMARKS Grade 7
Quarter 3
VI. REFLECTION Page 40
From the evaluation,
No. of Learners who earned:
80% and Above:
Below 80%:
Did the remedial lessons
work? No. of Learners who:
have caught up with
the lesson
continue to require
remediation
Which of my teaching
strategies worked well?
Why did these work?
What difficulties did I
encounter which my Principal/
Supervisor can help me
solve?
What innovation or localized
materials did I use/ discover
which I wish to share with
other teachers?
Have you experienced Have you seen the wire or Have you heard about Have you ever thought or Grade 7
having a tingling sensation conductor at the back of people who were struck by wondered why at one click your Quarter 3
when opening the metal your appliances that is lightning? What happened lamps glow or your electric fan Page 42
door knob after walking on a buried on the ground? to them? spins or pictures of objects
ENGAGE carpeted floor? What do you think is the appear on your TV screen?
purpose of this?
How do the appliances at home
get the needed electrical supply
to make them operate?
Essential Question: Essential Question: Essential Question: Essential Question:
How is charging by When does discharging How does lightning occur? How does an electric circuit work?
conduction done? process occur?
Perform Activity 3 pp. 209- Perform Activity 4 p. 210 in Perform Activity 5
EXPLORE
210 in the Learner’s the Learner’s Module Let There Be Light !
Module. Using the assigned p. 211 in the Learner’s Module.
researches on facts about
lightning.
Answer the Guide Lecture: Answer the Guide Answer the Guide Questions in
Questions in the Activity. Revisit the results of Questions in the Activity. the Activity.
Acitivity 1 (Charged
Interactions)
and discuss how
EXPLAIN
discharging process occurs.
Video Presentation: Video Presentation: What will you do to avoid Discuss the functions of each part Grade 7
Charging by conduction Need for Grounding the dangers of lightning? of the simple circuit. Quarter 3
https://www.youtube.com/w Page 43
ELABORATE atch?v=dqwm36hj46Q https://www.youtube.com/w Video Presentation: Input on electrical symbols used
atch?v=k3OHzKz0qNc How Lightning Works? in circuit diagrams.
How is charging by http://science.howstuffworks
conduction done? What is the importance of .com/nature/natural…/lightni Lecturette:
grounding or earthing? ng.htm Energy Transfer in a circuit.
Give the correct answer: Discuss briefly how Write your answer in ½ CW: Give the correct answers:
1. is a charging discharging in grounding 1. Explain how lightning 1. Define electric circuit.
process which involves the happens and give its occurs? 2. What are the four essential
contact between bodies. importance. 2. Give at least 3 ways to parts of a simple circuit? Give the
EVALUATE 2-3. Conduction occurs avoid dangers of lightning. function of each part.
between body and
body.
4-5. Give two situations that
illustrate charging by
conduction.
Make a research on facts Make a poster illustrating What do electrical engineers or
about lightning. the adverse effects of electricians do in designing the
lightning to humans in their household electrical plans to
environment. make their work faster and
EXTEND easier?
Bring the following materials
for the next activity:
Connecting wire with alligator
clips, 3 or 1.5 V battery, Pliers
or wire cutter, 1.5 W bulb/LED
Department of Education
Negros Island Region
DIVISION OF NEGROS OCCIDENTAL
V. REMARKS Grade 7
Quarter 3
VI. REFLECTIONS Page 44
From the evaluation,
No. of Learners who earned:
80% and Above:
Below 80%:
Did the remedial lessons
work? No. of Learners who:
have caught up
with the lesson
continue to require
remediation
Which of my teaching
strategies worked well?
Why did these work?
What difficulties did I encounter
which my Principal/ Supervisor
can help me solve?
What innovation or localized
materials did I use/ discover
which I wish to share with other
teachers?