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    2.  Spot the liquid material used in 3D printing.
                                                                                                                                                COMPETENCY-BASED QUESTIONS
                                     (i)  Resin                                 (ii)  Plastic
                                                                                                                                                1.  Priya wants to build a custom necklace for her friend’s birthday using 3D printing. She wants a unique
                                                                                                                                                    design with intricate details. Which material will Priya use to ensure the necklace has a smooth finish
                                    (iii)  Nylon                               (iv)  Metal
                                                                                                                                                    and high detail?
                         3.  Select the correct application of 3D printing in the medical field.
                                                                                                                                                2.  During a school project, Rahul needs to print a part that will be used in a machine. He wants to use a
                                     (i)  Toys                                  (ii)  Prosthetics                                                   material that can bend without breaking. Which material should Rahul use for the part?

                                    (iii)  Car parts                           (iv)  Buildings

                         4.  Mark the full form of ABS.

                                     (i)  Atomic Binding Structure              (ii)  Automated Battery Styrene

                                    (iii)  Advanced Butadiene Styrene          (iv)  Acrylonitrile Butadiene Styrene
                         5.  Identify how 3D printing is used in fashion and jewellery.

                                     (i)  Creating customised clothing          (ii)  Making movie props

                                    (iii)  Designing car prototypes            (iv)  Printing food designs

                      B.  Fill in the blanks using the given hints:

                         1.  3D printing is a technology that creates              objects from a
                                                                                                               Hints
                             digital design.
                                                                                                                PLA
                         2.                  is made from renewable resources like corn starch or
                                                                                                             3D printing
                             sugarcane.
                                                                                                              Physical
                         3.  Artists use                to make sculptures, both small and large.             Learning

                         4.  3D printing is used in schools to make               tools.                     Architects
                         5.                  use 3D printing to create detailed models of buildings
                             before they are built.

                      C.  Write ‘T’ for true and ‘F’ for false.

                         1.  Concrete 3D printing is used to build small objects like toys and tools.

                         2.  3D printing is used in the film industry to create movie props and special effects.

                         3.   Some bakeries and chefs use 3D printing to create custom cake toppers, cookies
                             and other creative food designs.

                         4.   Designers use 3D printing to craft unique jewellery pieces, such as rings, necklaces
                             and bracelets.

                         5.  3D printing cannot create customized jewellery pieces.

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