Name of Teacher: Shaina Mae Ybanez

Grade Level & Section: Grade 7 - Alonzo

Time & Building:
9:10-10:00 AM, Rufus Building, first floor
Time Frame: 50 mins., March 14, 2024
I. OBJECTIVES
A. Content Standards: The learners should be able to: Demonstrate an understanding of how
heat is transferred.
B. Performance Standards: The learners shall be able to:

Differentiate the three methods of heat transfer.

C. Learning Competencies/ Objectives:

Write the LC code for each ● Define heat and explain the process of heat transfer;
● Identify and distinguish the methods of heat transfer; and
● Cite the importance of heat transfer in everyday life.
II. CONTENT/SUBJECT
MATTER Heat Transfer
III. LEARNING RESOURCES
A. References
1. Teacher’s Guide Science 7 Teacher’s Guide, pp 233-248
pages
2. Learner’s Materials Self-Learning Modules
pages
3. Textbook pages
4. Additional Materials SCIENCE Third Quarter – Module 5: Heat
from Learning Resource
(LR) portal
B. Materials Visual aids, PowerPoint Presentation

IV. LEARNING ACTIVITIES

Teacher’s Activity Student’s Activity
Greetings:
Good morning class!
Good morning ma’am!
Prayer:
Let us all please stand for the prayer. Can I ask somebody to lead
Okay ma’am. Let us put ourselves
the prayer?
in the Holy presence of God,
(proceeds with the prayer)
Amen.
Classroom preparation:
Please stand up straight, arrange your chairs, and pick up pieces of
Students following instructions.
paper on the floor.

Please be seated.

Checking of attendance:
Beadle, are there any absences for today?
None ma’m. All are present.
Okay thank you. It’s good to hear that.

ELICIT
A. Reviewing Previous Lesson or Presenting New Lesson

In our previous lesson, we discussed the Characteristics of light.

Now, who can give me the summary of our discussion from the last
Student 1: Me ma’am
meeting?

Okay! You may now summarize the lesson from the last meeting.
Student 1: Last meeting we
discussed the definition of light,
characteristics of wave (frequency,
wavelength, amplitude, and the
speed of light), and the two
characteristics of light (Color and
Intensity/Brightness).
We are now in Module 5, which is Heat transfer. Who among you Students’ raising their hands
here has an idea about heat transfer?

Okay! I will call somebody to share his/her ideas about heat transfer.

Teacher’s calling names

Alright! Student 2, can you share your ideas to the class about our Student 2: Heat is hot ma’am.
new lesson today? Student 3: Heat is something close
to temperature ma’am.

Very good students, all your answers are correct but we will further Students: Okay ma’am
explain heat later for you to visualize your answers.

ENGAGE
B. Establishing a Purpose for the Lesson
Students: Okay ma’am.
Before we jump into our lesson, let’s have this activity.

Everybody please read the instruction

Instruction: Read the poem and try to define heat and determine the
three methods of heat transfer. Answer the guide question below.

Heat’s Everywhere
By: Princess C. Bagaforo
Students are reading the poem
Heat that keeps our days warm
Can be transferred in three ways
Conduction, convection, and radiation
All are in motion

Heat that flows from hot object to cold object

Is a natural process of heat effect
As temperature is to hotness or coldness of an object
Thermal energy is to temperature differences between objects

Heat affects you in so many ways.

From the warmth of the fireplace and
light of the sun that strikes you in every ways
All are in motion due to heat’s radiation

Heat that is hard to beat

Can be carried from place to place without retreat
When warm air and cold air complete
All fluids and gases are in motion due to convection of heat

Heat can be transferred through direct contact of a material

Is a process which is essential
Conductor is to metal objects, as insulator is to plastic objects
All are in motion due to heat’s conduction.

Guide questions:

1. What are the three methods of heat transfer stated in the

Students: The conduction,
poem?
convection, and radiation ma’am.
2. What is “heat” as stated in the poem?
Students: Heat affects our lives in
3. How do you differentiate heat from temperature?
different ways, from the sun rays
4. How does heat flow on material having different
that strike through our skin and
temperatures?
from the warmth that we feel in the
fireplace.
EXPLORE
C. Presenting Examples/Instances of the Lesson

What do you think will happen to the mug and the metal spoon
after the woman fills the mug with boiling coffee?
Students: Hot ma’am.
Correct! The mud and the spoon will feel hotter. Why did this
happen?
Students: Heat transfer ma’am.
Correct! This happened because of heat transfer.

EXPLAIN

D. Discussion of new concepts and practicing new skills

Before we discussed heat transfer. Let us first understand the

concepts of thermal energy and heat.

All forms of matter are made of atoms and molecules.

These atoms and molecules are always in motion and they

have kinetic energy. The energy that these moving or vibrating
particles possess is called “Thermal Energy”.

Do you have any ideas on Thermal Energy?

Students: Thermal energy is an
Correct! Very good! Thermal energy refers to the energy
energy by an object ma’am.
possessed by an object or system due to the movement of
particles within the object or the system.

Teacher’s explanation
When thermal energy is transformed, heat is always
produced. The energy that is transferred from the boiling
coffee to the mug and the metal spoon is called heat.

Now, what do you think heat is? Students: the transfer of energy
from an object with a higher
Correct! Very good!Heat is the flow of thermal energy. Heat is temperature to an object with a
the energy in transit that transfers from an object or a body lower temperature ma’am.
with a higher temperature to an object or a body with a lower
temperature.

Teachers explanation
The transfer of energy is due to the temperature difference of
an object. People usually thought that the heat and
temperature mean the same thing. But these two concepts are
different from each other.
Temperature refers to the relative hotness or coldness of an
object. It refers to the measure of the average energy of the
motions of the molecules in the substance. Can be measured
using a thermometer.

The three common scales that are used in measuring

temperature are Celsius, Fahrenheit, and Kelvin. The SI unit
of temperature is Kelvin.

Heat refers to the total energy of the motion molecules of a

substance. The SI unit for heat is Joules.

Natural flow of Heat is from hot substance to cold substance.

How does substance mean that the temperature is?

Students: Higher ma’am
Very good! And when the temperature is?
Students: Lower ma’am
This is the reason why the spoon and mug became hotter in
our previous examples. The heat flowed from the boiling
coffee which has a higher temperature to the mug and metal
spoon which have a lower temperature.

Teacher’s additional explanation

The transfer of heat will stop when both objects reach the
same temperature.

Let us now discuss the different methods of heat transfer. As Students: Heat transfer is the
stated a while ago, heat transfer is a? process wherein thermal energy is
exchanged between two objects
due to their temperature
Very good class! Now, who can give me the three methods of differences.
heat transfer?
Okay! Stand up [student]. Students’ are raising their hands
Student: The three methods of
heat transfer are conduction,
convection, and radiation.
Okay, very good! You may now sit.

Do you have any ideas about conduction? Students have no responses

Conduction takes place between objects that are in direct

contact with each other.
Teacher’ explanation
This means that heat energy is directly transferred through a
material.

This method of heat transfer is most effective in solids.

Teacher’s explanation
We can observe this transfer of energy when cooking. When
the bottom of the pine is placed under the fire, the heat energy
from the fire will be transferred to the pan. That is why it
becomes hot. As the pond becomes hotter, the heat energy
will be transferred to the food that is placed on it. This is the
reason why the food gets to cook and also becomes hot.

(cooking food picture)

What do you think is the reason why cooking pans are made
of metals? Students: Because metals are
good conductors of heat ma’am.

Correct! Very good! Metals are good conductors of heat.

Conductors are the materials that allow thermal energy to

readily flow through them. Metals like silver, copper, steel, and
aluminum are good conductors of heat.

On the other hand, materials that transfer heat poorly are

called Insulators.

Teachers explanation
This is the reason why most cooking utensils have handles
made of plastic, rubber, or wood. This is to prevent heat from
flowing to the handles which prevent us from being burned.

The next method of heat is called Convection. Convection is

most effective on fluids. Class, what is fluid?
Students: Any material that flows
Correct! Very good! Fluid is any material that flows. Examples ma’am.
of this are liquids and gasses.

Convection is the method of heat transfer through the

circulation of liquid and gas. It is the transfer of energy by the
rising or sinking of matter due to density differences.

Teacher’s example and explanation

A good illustration of convection is boiling water inside the
container.When the water molecules at the bottom of the
container were heated they become less dense. Since they
became less dense they will now rise. On the other hand, the
relatively cooler and denser molecules from the surface begin
moving downwards or start sinking. When these molecules
are already on the bottom, they will start to hit again and
become less dense and eventually will rise again.This cycle
will create convection currents. Due to this convection currents
the boiling water ensures that the food being cooked is also in
motion. This prevents the food from sticking to the bottom of
the container.

Another example of heat transfer by convection is the rising of

hot air above the flame, and the moving down of air as it is
pulled down.

The last method of heat transfer is through radiation. In

radiation it moves through empty space, such as the outer
space from the sun to the earth. There is no medium like
water, air, nor any solid material where heat can travel through
radiation.

Do you have any idea about radiation?

Students: It is the transfer of heat
ma’am.

Correct! Radiation is the transfer of heat by means of

electromagnetic waves.

Teacher’s Explanation
We feel the heat coming from the sun because of radiation.

ELABORATE
E. Developing mastery

Directions: What type of heat transfer takes place. Write your answer
on a separate sheet of paper.

F. Finding Practical applications of concepts and skills in daily

living

How important is heat in our daily lives? Student 1: Heat is essential in our
daily lives for warming the house,
heating the water, and drying
laundered garments.
 Student 2: Heat may be used to
iron clothes and to power vehicles,
ships, and hot air balloons.

Student 3: Heat is used to weld

and cut metal.
G. Making generalizations and abstractions about the lesson

EVALUATE
H. Evaluating learning: Formative assessment:

Get a ¼ sheet of paper and answer the following questions.

EXTEND

Prepared by: SHAINA MAE YBANEZ

Student Teacher

Checked & Observed by:

JENIFER AGOL
Teacher I