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3rd Quarter Review

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  • Static electricity is the form of electricity that flows in a circuit. True or False.
    False
  • How do you see object?
    ...through light
  • Give an example of insulator.
    wood / rubber
  • The sun, stars, and the fireflies give light. What do we call those lights?
    Natural lights
  • What poles do we need to make two magnets REPEL each other?
    Two North poles / Two South pole / Same poles
  • What does a magnet do?
    It can attract or repel some objects.
  • What happens to objects when there is motion?
    The objects' positions are changed. / They are moving
  • Why do we need to know the sirens of different vehicles like firetruck and ambulance?
    These sounds give warning to us.
  • Why do we hear sounds when we strum the strings of a guitar?
    Strumming the guitar creates vibrations which enter our ears making us hear sounds.
  • Give one possible effect if the Earth would have no gravity.
    Answer varies
  • What forms of energy does the sun give most on Earth?
    Heat and Light
  • Give one thing that heat energy can do.
    Answer varies
  • If there is no friction, what could happen?
    Answer varies
  • What poles do we need to make two magnets attract each other?
    North pole and South pole / Opposite poles
  • Name one energy and one source of that energy.
    Answer varies
  • Give an object that is an electricity's conductor.
    Human / Water / Answer varies
  • Does friction make pushing slow? Yes or No?
    Yes
  • Give one non-luminous object.
    Chair / Table / Answer varies
  • What slows you down and does not make you go really fast when sliding?
    Friction
  • What do you call the lights made by human?
    Artificial lights
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