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[ECHS] Primary 5 - Unit 6 (How Do They Make Bike ...

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    Pass this reading comprehension challenge to prove your worth!
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  • What do page 6 and 7 mainly talk about?
    How to make bike frames
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  • What is a bike frame made of?
    Strong metal tubes
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  • What is the function of a bike frame?
    Hold the rider's weight
  •  10
  • Mention all possible materials to make a bike frame!
    Steel, Aluminum, and Baamboo
  •  15
  • What is the process of heating and forcing through hot steel through a ring-shaped opening called?
    Extruding/Extrusion
  •  15
  • Why does the text mention toothpaste?
    To show what is added between metal tubes
    To demonstrate how the workers clean their teeth after work
    To tell the readers the other material to make a bike frame
    To illustrate the extrusion process
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  • What is happening after the hot steel is extruded?
    It is welded
  •  10
  • What are the plus and minus of an aluminum bike frame?
    Plus (Lighter) Minus (Less strong)
  •  10
  • Why are all bike frames not grey?
    It is boring
  •  10
  • What is the difference between small and large factories in coloring their bike frames?
    Large factories spray bike frames spraying room - Small factories spray bike frames by hands
  •  15
  • What is added to the colored bike frames?
    Transfers and stickers
  •  10
  • What is the function of transfers and stickers on a bike frame?
    To give special effects
  •  10