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YL 10 Unit 5 Processes of Making Things

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  • When did the 3D printer successfully print the first object?
    1983
  • What is the pink rubber for? What about the blue rubber?
    Pink: Pencil; Blue: Pen
  • Name at least two ingredients in making waffle cones?
    sugar, caramel coloring
  • Which one of these two parts was made first in the process of prosthetic leg? Shin or ankle?
    Shin
  • Name one of the oils they use in making eraser.
    Vegetable oil
  • What is the material they put in the grooves of the pencil?
    Lead
  • What are the five materials used in 3D-printing?
    Plastic/Metal/Concrete/Glass/Bio-materials
  • What is the material used to create the shin in prosthetic legs?
    carbon fibre
  • What is the white of the artificial eye made of?
    Plastic
  • What material do they use to create dimensional vein of the artificial eye?
    Silk
  • What is pencil made of?
    Wood
  • What is eraser made of?
    Rubber
  • What is the technical name for the white of the eyes?
    Sclera
  • What is the temperature they use to roast the cocoa beans?
    350 degree celcius
  • Which country is responsible in manufacturing memory for iPhone?
    South Korea
  • Where exactly is the headquarter of Apple company?
    California, US
  • How many times do they have to heat the mold of the artificial eyes in the oven?
    Twice/2 times
  • What was the shortest period of time Icon spent to build the 3D-printed house?
    27 hours
  • When were the artificial eyes invented?
    Since ancient Egypt or Rome
  • Plastic straws were invented after paper straws. True of False?
    True
  • iPhone was the first smartphone in the world. True of False?
    False
  • Where are cacao plants grown?
    South America, Africa, and Indonesia
  • Which country is iPhone assembled in?
    China
  • There are 6 steps in making a pencil. Which step is the eraser added to the pencil?
    Step 5
  • What do they do with the defective(unusable) erasers?
    Recycle them into the new one
  • How many parts of prosthetic leg are there?
    6 parts(foot, shin, ankle, knee, skin, socket)
  • How long does a prosthetic leg last?
    3-5 years
  • When can farmers harvest the cocoa pods?
    Ripe and red
  • How much is the most expensive prosthetic leg?
    50,000$
  • 3D-printer can now print meat by using only plants. True or False?
    True
  • Which one comes first in the process of making chocolate? Fermenting the cocoa beans or spreading them to dry under the sun?
    Fermenting the cocoa beans
  • What was the important ingredient in creating artificial flavor?
    Esters
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