A PowerPoint presentation related to how heat is transferred.

1. LIGHT

2. SOU ND

4. HEAT

5. Heat Transfer
P repared by: Teacher J uhn

6. Lesson Objective
1
The learners should be able to trace the direction of
heat as it transfer from one object to another.
At the end of this lesson the students will be able to:

7. Lesson Objective
1
The learners should be able to identify and define
the different types of heat transfer.
At the end of this lesson the students will be able to:

8. Activity 1:
WARM ME UP!
M aterials:
C andle M atch C ard board
S poon Ice cubes M ug
P late H ot W ater

9. In this set up what have you
felt with your hands?

10. D id your hands feel a
change in temperature?

11. W here do you think is the
direction of heat?
(from candle towards your hands or
from your hands towards the candle? )

12. In this set up what have you
observe?
(D id the ice melt? )

13. Is there a change in
temperature that causes
the ice to melt?

14. W here do you think is the
direction of heat?
(from the hot air towards the ice or from
the ice towards the hot air? )

15. In this set up what have you
felt with your hands?

16. D id your hands feel a
change in temperature?

17. W here do you think is the
direction of heat?
(from the hot mug/spoon towards your
hands or from your hands towards the
hot mug/spoon? )

18. W hat is then the condition
necessary for heat to
transfer between objects?
Objects must have _ _ _ _ _ _ .
(the same or different temperature? )

19. HEAT
is a form of energy that is always moving from one
object to another. H eat energy will only transfer if there is
difference in temperature between two objects.

20. HEAT
The direction of heat transfer will always be from
higher temperature (hot) to lower temperature (cold).

21. Activity 1:
WHICH WAY TO GO?
Situation Object with
Higher
Temperature
Object with Lower
Temperature
Direction of Heat
Transfer
Example: Taking
frozen food from
the freezer with
your hand
Hand Food Hand Food

22. Activity 1:
WHICH WAY TO GO?
Situation Object with
Higher
Temperature
Object with Lower
Temperature
Direction of Heat
Transfer
Walking on the
road at noon time
with bare feet.

23. Activity 1:
WHICH WAY TO GO?
Situation Object with
Higher
Temperature
Object with Lower
Temperature
Direction of Heat
Transfer
Walking on the
road at noon time
with bare feet.
Road Feet Road Feet

24. Activity 1:
WHICH WAY TO GO?
Situation Object with
Higher
Temperature
Object with Lower
Temperature
Direction of Heat
Transfer
Drying clothes
under the sun.

25. Activity 1:
WHICH WAY TO GO?
Situation Object with
Higher
Temperature
Object with Lower
Temperature
Direction of Heat
Transfer
Drying clothes
under the sun.
Sun Clothes Sun Clothes

26. Activity 1:
WHICH WAY TO GO?
Situation Object with
Higher
Temperature
Object with Lower
Temperature
Direction of Heat
Transfer
Sun shines on
earth.

27. Activity 1:
WHICH WAY TO GO?
Situation Object with
Higher
Temperature
Object with Lower
Temperature
Direction of Heat
Transfer
Sun shines on
earth.
Sun Earth Sun Earth

28. Activity 1:
WHICH WAY TO GO?
Situation Object with
Higher
Temperature
Object with Lower
Temperature
Direction of Heat
Transfer
Roasting chicken in
a fire.

29. Activity 1:
WHICH WAY TO GO?
Situation Object with
Higher
Temperature
Object with Lower
Temperature
Direction of Heat
Transfer
Roasting chicken in
a fire.
Fire Chicken Fire Chicken

30. Activity 1:
WHICH WAY TO GO?
Situation Object with
Higher
Temperature
Object with Lower
Temperature
Direction of Heat
Transfer
Drying hair using
blower.

31. Activity 1:
WHICH WAY TO GO?
Situation Object with
Higher
Temperature
Object with Lower
Temperature
Direction of Heat
Transfer
Drying hair using
blower.
Blower Hair Blower Hair

33. W hat are the three
methods of heat transfer?

34. D efine C onduction,
C onvection and R adiation.
G ive example for each.

35. CONDUCTION
• Transfer of heat through direct contact.
• Occurs when objects at different temperature are
touching each other.
• As long as the objects are in contact, transfer of heat
will continue until the temperature of the objects is the
same.

37. CONVECTION
• The transfer of heat by the actual movement of fluids
such as liquid (like water) or gases (like air) from one
place to another.

39. RADIATION
• E nergy transferred in the form of rays or waves or
particles.
• Is the transferred of energy by means of
electromagnetic waves.

41. W hy is heat important?

42. QUIZ BOWL
Instructions: The class will be grouped into 4. D ifferent examples of
heat transfer will be flashed in the screen and each group will going to
identify what method of heat transfer does the picture imply. An
illustration boards and chalk will be given to each group. These
materials will be used for you to write your answers during the quiz .
Only one person will hold the illustration board and raise the answers
once the timer will stop. E ach group will be given 10 seconds to
answer. Once the answer is correct you will gain an equivalent points.

44. Instructions: F ill in the blanks below using the words inside the box.
W rite your answers a one fourth sheet of paper.
1._ _ _ H E AT_ _ _ is a form of energy that always transfers from one
object or place to another.
2. Two objects should have a _ _ _ D IF F E R E N T_ _ temperature to
transfer of heat .
3. _ _ C ON D U C TION _ _ _ _ is the transfer of heat through direct contact
between objects.
hot cold conduction convection
heat radiation different

45. Instructions: F ill in the blanks below using the words inside the box.
W rite your answers a one fourth sheet of paper.
4. The transfer of heat by the actual movement of fluids such as liquid
(like water) or gases (like air) from one place to another is called
_ _ C ON V E C TION _ _ _ _ .
5. The transfer of heat by means of electromagnetic waves is what we
call _ _ R AD IATION _ _ _ .
6-7. The direction of heat transfer will always be from _ _ H OT_ _ _ _
to_ _ C OLD _ _ _ _ .
hot cold conduction convection
heat radiation different

46. ASSIGNMENT
In a ½ crosswise, research about the different types of
charging processes.

47. Thank You
for your participation