KINETIC AND POTENTIAL ENERGY REVIEWER.pptx

Mystery box game reviewer

1. MYSTERY Box Game Keep / Give The Box?

2. Make 2 teams HOW TO PLAY: Pick a letter and answer the question Then you must choose: KEEP THE BOX or GIVE THE BOX to the other team

3. BE CAREFUL! The points in the box can be GOOD or BAD

4. ARE YOU READY?

5. B E H A J K L G N C D Q R S T V W U O P F X M I

6. Question Kinetic or Potential? A shuttlecock hit by a racket KINETIC ENERGY

7. +100

8. Question Kinetic or Potential? A child sitting in the top of a tree POTENTIAL ENERGY

9. -100

10. Question ____________ refers to the energy of an object in motion. Potential energy Kinetic energy c. Magnetic energy d. Electrical energy

11. +1000

12. Question The __________________________ states that energy is neither created nor destroyed. Law of Inertia b. Law of Acceleration c. Law of Conservation of Energy d. Law of Interaction

13. -500

14. Question Potential energy is the energy of an object based on its ___________. A. height and mass B. mass and speed C. speed and height D. weight and speed

15. +1

16. Question The following conditions exhibits kinetic energy EXCEPT: A. water inside a glass B. rolling stone from the hill C. running athlete on the field D. dancing kids in the living room of the house

17. -200

18. Question How would you explain the difference between the amount of kinetic and potential energy an object has relative to its position? a. An object at the highest peak has least potential energy and maximum kinetic energy. b. An object at its lowest point has maximum kinetic energy and zero potential energy. c. An object at a mountain has the same amount of potential and kinetic energy. d. An object below sea level has the highest potential energy.

19. +300

20. Question If a green ball is higher from the ground than a yellow ball and both have the same mass, which ball has more potential energy? A. green ball B. yellow ball C. both has the same PE D. both has the same KE

21. +50

22. Question The following situations demonstrate potential energy EXCEPT: A. a bullet fired from a gun B. a child at the top of a slide C. a car parked at the top of a hill D. river water at the top of a waterfall

23. +600

24. Question Which of the following quantities, when doubled, has the greatest effect on the amount of kinetic energy? A. mass B. size C. speed D. weight

25. -1000

26. Question What will happen to the KE if both the velocity and mass of an object are doubled? a. stays the same b. doubles c. quadruples d. increases eight times

27. +200

28. Question Which of the following pair of quantities are the factors that affect kinetic energy? force and distance mass and speed c. mass and height d. time and height

29. +100

30. Question When work is done by an object, it ____________ energy. a. loses b. gains c. maintains d. does not change

31. +200

32. Question When work is done on an object, it ____________ energy. a. loses b. gains c. maintains d. does not change

33. -500

34. Question Where does a car on a hill have the greatest potential energy? A. top of the hill B. bottom of the hill C. halfway down the hill D. it has the same potential energy at all points

35. +700

36. Question An object from a certain height falls freely. Which of the following happens to PE and KE when the object is half on its way down? A. loses PE and gains KE B. gains PE and loses KE C. loses both PE and KE D. gains both PE and KE here

37. +100

38. Question Which point has increasing kinetic energy? A. Point C B. Point B C. Point A D. Point A & C

39. +400

40. Question Which of the following sequences indicates the location of least potential energy to the location of greatest potential energy on the roller coaster diagram on the right? ABCD DBCA BCDA ADCB

41. -2000

42. Question Which of the following statements is TRUE about potential energy? A. It is dependent on the speed of an object. B. It does not depend on the mass of the object. C. It does not depend on the strength of gravity. D. It is affected by the mass and location of an object with respect to the ground.

43. +2000

44. Question The following applies the concept of potential energy EXCEPT: A. water in a dam B. a person playing the guitar C. a rock sitting at the edge of a cliff D. tree branches high up in a tree

45. -600

46. Question Kinetic or Potential? The wind blowing through your hair KINETIC ENERGY

47. +200

48. Question There is a bell at the top of a tower that is 15 m high. The bell has a mass of 5kg. Calculate the potential energy of the bell. 183. 75 J 367.5 J 735 J 1470 J

49. -300

50. Question Determine the kinetic energy of a 500 kg roller coaster car that is moving with a velocity of 20 m/s. 10,000 J 20,000 100,000 J 200,000 J

51. +400

52. Question Kinetic or Potential? Energy in food POTENTIAL ENERGY

53. -100