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Force

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Transcript

  • 1. FORCE FORCE-is either a push or pull PUSHING
  • 2. FORCE *strive and make an effort to reach a goal
  • 3. PULL
  • 4. PULL *direct toward oneself by means of physical attributes
  • 5. FORCE gives an object to move, stop, or change direction.
  • 6. WIND can move things. What is the girl holding? Is it moving? The pinwheel turns around when the wind blows.
  • 7. WIND is moving air. When it blows, it moves things. What other objects can the wind move?
  • 8. WATER can move things. Many things can be carried away by flowing water. What are the things being moved by water?
  • 9. ELECTRICITY can move things.
  • 10. Examples:
  • 11. PUSH PULL
  • 12. PUSH PULL
  • 13. PUSH PULL
  • 14. WIND ELECTRICITY
  • 15. WIND ELECTRICITY
  • 16. WIND WATER
  • 17. ELECTRICITY WATER
  • 18. ELECTRICITY WIND
  • 19. PUSH PULL
  • 20. ELECTRICITY WIND
  • 21. 2nd day (video & activity # 2)
  • 22. FORCE-is either a push or pull
  • 23. FORCE gives an object to move, stop, or change direction.
  • 24. If I push on something or pull on it, then I am applying a force to it. Force makes things move or, more accurately, makes things change their motion.
  • 25. Magnetism produces a force that can either pull opposite ends of two magnets together or push the matching ends apart. A magnet also attracts objects made of metal.
  • 26. A force can be a push or a pull. It is not something you can see or touch, but can see it in action. Forces can be measured using a device called force meter.
  • 27. Force meters contain a spring connected to a metal hook. The spring stretches when a force is applied to the hook. The bigger the force applied, the longer the spring stretches and the bigger the reading.
  • 28. WIND can move things. What is the girl holding? Is it moving? The pinwheel turns around when the wind blows.
  • 29. WIND is moving air. When it blows, it moves things. What other objects can the wind move?
  • 30. WATER can move things. Many things can be carried away by flowing water. What are the things being moved by water?
  • 31. ELECTRICITY can move things.
  • 32. ACTIVITY # 3 (2nd day)
  • 33. Be careful in handling moving objects:
  • 34. Activity # 2 Draw things that can move because of electricity.
  • 35. 3rd day (video & activity # 3)
  • 36. Some things which are moving are usually safe to stop. Other things are not so safe. Look at the pictures below and decide whether they are usually “safe” or usually “not safe”.
  • 37. SAFE
  • 38. NOT SAFE TO STOP
  • 39. NOT SAFE TO STOP
  • 40. SAFE
  • 41. NOT SAFE TO STOP
  • 42. Activity # 3
  • 43. __________ is moving air. When it blows, it moves things. wind water 1. K
  • 44. 2. K meter force weighing scale
  • 45. ________ gives an object to move, stop, or change direction. wind force 3. K
  • 46. PUSH PULL 4. U
  • 47. WIND ELECTRICITY 5. U
  • 48. WIND ELECTRICITY 6. U
  • 49. ELECTRICITY WIND 7. U
  • 50. ELECTRICITY WATER 8. U
  • 51. Electric fan is safe to stop when you use your hands 9. U TRUE FALSE
  • 52. 10. U TRUE FALSE The ball is safe to stop when you use your hands
  • 53. 4th day (N6)
  • 54. FORCE-is either a push or pull. WIND is moving air. When it blows, it moves things. WATER and ELECTRICITY also help to move things. FORCE METER – is an instrument that measures the force.