ENERGY

1. ENERGY

2. ENERGY

3. ENERGY
Energy is present anywhere.
- It is needed by organisms
like us, and machines to work
What is the major source of
energy?
LIGHT FROM THE SUN

4. ENERGY
Energy is the ability
to do work.
It can be transformed
from one form to
another.

5. Check √ the picture if it shows
motion and cross X if it is not.

6. Check √ the picture if it
shows motion and cross X
if it is not.

7. Energy: Its Form and
Transformation
Major Kinds of Energy
1. Potential Energy
2. Kinetic Energy

8. 1. Potential Energy
•Potential Energy is an
energy that is stored in a
n object at rest.
•Ex: Stretched rubber
band

9. 2. Kinetic Energy
• Kinetic Energy is energy in
motion.
• Ex: A ball rolling on the
ground

10. Kinetic and Potential Energy
a lion chasing a zebra

11. Kinetic and Potential Energy
bowling ball

12. Kinetic and Potential Energy

13. Kinetic and Potential Energy

14. Kinetic and Potential Energy

15. Kinetic and Potential Energy

16. Kinetic and Potential Energy

17. Kinetic and Potential Energy

18. Kinetic and Potential Energy

19. Kinetic and Potential Energy

20. FORMS OF
ENERGY

21. Different Forms of Energy
ousnd
eneygr

22. Different Forms of Energy
SOUND
ENERGY

23. Different Forms of Energy
ghilt
eneygr

24. Different Forms of Energy
LIGHT
ENERGY

25. Different Forms of Energy
teah
eneygr

26. Different Forms of Energy
HEAT
ENERGY

27. Different Forms of Energy
cmheilac
eneygr

28. Different Forms of Energy
CHEMICAL
ENERGY

29. Different Forms of Energy
cmheilacme
eneygr

30. Different Forms of Energy
MECHANICAL
ENERGY

31. Different Forms of Energy
ecalletri
eneygr

32. Different Forms of Energy
ELECTRICAL
ENERGY

33. Different Forms of Energy
nuclrae
eneygr

34. Different Forms of Energy
NUCLEAR
ENERGY

35. Different Forms of Energy
• 1. Mechanical Energy
• 2. Chemical Energy
• 3. Radiant or Light Energy
• 4. Electrical Energy
• 5. Sound Energy
• 6. Thermal or Heat Energy
• 7. Nuclear Energy

36. 1. MECHANICAL ENERGY
• Mechanical energy is a form of
energy possessed by moving
objects.
• It can either be Kinetic or
Potential Energy.

37. MECHANICAL ENERGY

38. MECHANICAL ENERGY

39. MECHANICAL ENERGY
Everyday Examples of Mechanical Energy
• Turning a doorknob.
• Breathing in and out.
• Hammering a nail.
• Riding a bicycle.
• Sharpening a pencil.
• Using kitchen appliances.
• Listening to music.
• Typing on a keyboard.

40. MECHANICAL ENERGY

41. 2. CHEMICAL ENERGY
• Chemical Energy is a type
of energy stored in
molecules.
• Food from plants and
animals contain chemical
energy.

42. Chemical energy

43. Chemical energy

44. Tell whether it is chemical or
mechanical.

45. Tell whether it is chemical or
mechanical.
MECHANICAL
ENERGY
MECHANICAL
ENERGY

46. Tell whether it is chemical or
mechanical.
MECHANICAL
ENERGY
CHEMICAL
ENERGY

47. Tell whether it is chemical or
mechanical.
CHEMICAL
ENERGY
CHEMICAL
ENERGY

48. Tell whether it is chemical or
mechanical.
•TRAIN • DOING
EXERCISE

49. Tell whether it is chemical or
mechanical.
•WOOD COAL

50. Tell whether it is chemical or
mechanical.
SEESAW AIRPLANES

51. 3. RADIANT OR LIGHT ENERGY
• Radiant or Light Energy is
a form of energy that
travels in an empty space.
• It can be in form of Light,
ultraviolet rays, x-rays and
radiation.

52. Radiant Energy

53. 4. ELECTRICAL ENERGY
• Electrical Energy is produced by
moving Electrons.

54. Electrical Energy
• Static Electricity- is
produced when two
different materials are
rubbed to each other.
• Current Electricity- is
flowing electricity

55. 5. SOUND ENERGY
• Sound Energy is the energy
produced by vibrating objects.
When objects vibrate, sound is
produced.

56. 5. SOUND ENERGY
• Sound Energy
is the energy
produced by
vibrating
objects.
When objects
vibrate, sound
is produced.

57. 6. THERMAL OR HEAT ENERGY
• Thermal Energy is present in
everybody because of the
motion of molecules.

58. 6. THERMAL OR HEAT
ENERGY
• Thermal
Energy is
present in
everybody
because of the
motion of
molecules.

59. 6. THERMAL OR HEAT
ENERGY
• Thermal
Energy is
present in
everybody
because of the
motion of
molecules.

61. Identify if the following are
Potential or Kinetic Energy.
1. 2.
3. 4.

62. Identify if the following are
electrical, heat, light, sound
energy.
SUNLIGHT HOT SOUP

63. Identify if the following are
electrical, heat, light, sound
energy.
RICE COOKER
LIGHTED
CANDLE

64. Identify if the following are
electrical, heat, light, sound
energy.
ELECTRIC
FAN
HOSTING USING
MICROPHONE

65. Identify if the following are
electrical, heat, light, sound
energy.
PLUCKING THE
GUITAR
LIGHTED
FIREWORKS

66. Identify if the following are
electrical, heat, light, sound
energy.
BURNING
WOOD
ROARING
LION