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Grade 3 Review for FT Written Test

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  • Lights travels in _____ lines
    straight
  • Carlo has a light source and a mirror. Among the 2 rays, which one is the ARRIVING ray?
    red ray
  • among bottle, rubber duck and key. Which one can conduct electricity?
    key
  • How long does Earth take to spin once around its own axis?
    24 hours
  • Dina make a simple circuit with 1 small battery and 4 bulbs. Will the circuit work? Why do you think so?
    the battery is not enough
  • What is wrong with this picture?
    plugging with wet hands
  • Describe a good surface to reflect light
    smooth and shiny surfaces
  • Linda is cooking outdoors, How can she see whats she's cooking (use complete pattern)
    The light from the sun travels to the pot and reflects off her eyes
  • Beside the stars and planet , what other types of body can be found in the solar system
    Asteroids, moons and comets
  • Does Venus take a longer or shorter time to make 1 orbit around the sun?
    shorter
  • What will happen to the appliances with 210 V if you plug it in a socket with 120 V?
    it might over heat or cause fire
  • Aileen is looking for her things in her room, but its difficult yo look for it. Why do you think so?
    because its dark
  • What can we find in the center of the solar system.
    Sun
  • which one can conduct electricity. Pure water or water with salt ?
    water with salt
  • The bulb didn't light up, why do you think so?
    the other wire is not connected to the conductor
  • In this picture, what is the source of light?
    lamp
  • What does a switch do in a circuit?
    it open/ close a circuit
  • Dina make a simple circuit with 1 small battery and 4 bulbs. Will the circuit work?
    no it will not
  • during noon time the shadow will be longer or shorter?
    shorter
  • Does most/all the materials reflect light?
    Yes, most of the materials reflect light
  • what electrical component can you see from the picture?
    bulb holder
  • Bryan is reading a book, How can he read the book (use complete pattern)
    The light from the lamp travels to the book and reflects off his eyes