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GRADE 3 REVIEW PART 2

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  • What is the importance of reference point?
    The importance of reference point is to identify the correct collection of an object or to determine if the object is in motion.
  • Give 2 objects that can conduct heat.
    -answers may vary-
  • Cite a personal experience of seeing object move due to "GRAVITY".
    -answers may vary-
  • Can sound travel in a vacuum? Why or why not?
    Sound cannot travel through a vacuum because there's no matter for the vibrations to work in.
  • How can you differentiate conductor from insulator?
    Conductor allows the heat or current to pass through it while insulator does not allow the heat or current to pass through it.
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