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week 12 sec 2

  • Game Code: 1267363
  •  English    17     Public
    U2 C2 L4
  •   Study   Slideshow
  • copper is used to make ......
    electrical wires
  •  15
  • Helium is used to ......
    fill balloons
  •  10
  • Rubber is used to make ......
    tires
  •  15
  • Glass is used to make ......
    eyeglasses or windows
  •  10
  • steel is used to make ....
    hammers or screwdrivers
  •  15
  • Give reason : Balloons and blimps filled with helium always rise up in the air
    because the helium is lighter than air
  •  20
  • Give reason : electrical wires are made up of copper
    because copper is a good conductor of electricity and can be stretched into a thin, flexible wire
  •  20
  • write the scientific term : the ability of material to transfer heat and conduct electricity
    Conduction
  •  20
  • write the scientific term : A matter which is used in making gloves because it is waterproof and flexible
    Rubber
  •  15
  • Look at the following figures , then choose the suitable material which is used in making this tool
    copper
  •  15
  • Look at the following figures , then choose the suitable material which is used in making this tool
    Helium
  •  15
  • Look at the following figures , then choose the suitable material which is used in making this tool
    Glass
  •  15
  • Look at the following figures , then choose the suitable material which is used in making this tool
    Steel
  •  15
  • Look at the following figures , then choose the suitable material which is used in making this tool
    Rubber
  •  15
  • give reason : window made of glass
    because glass is transparent and smooth
  •  15
  • give reason : tires are made of rubber
    because rubber are water proof and flexible
  •  15
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