Topic 4 Materials

20 Questions | Total Attempts: 98

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Material Quizzes & Trivia

This is a multiple choice quiz intended for you to test your own knowledge. Select the statement that best fits the question.


Questions and Answers
  • 1. 
    What is needed to break the forces between particles in a solid?
    • A. 

      Light

    • B. 

      Sound

    • C. 

      Energy

  • 2. 
    A solid has a high melting point if the forces between its particles are:
    • A. 

      Large

    • B. 

      Small

    • C. 

      Weak

  • 3. 
    Increasing the chain length of a polymer makes it:
    • A. 

      Harder

    • B. 

      More flexible

    • C. 

      Less flexible

  • 4. 
    Cross linking the chains makes a polymer:
    • A. 

      Harder

    • B. 

      Softer

    • C. 

      Less flexible

  • 5. 
    An atom consists of:
    • A. 

      An electron surrounded by a nucleus

    • B. 

      A nucleus containing electrons

    • C. 

      A nucleus surrounded by electrons

  • 6. 
    Which properties make aluminium suitable for overhead mains electricity cables?
    • A. 

      It has a low density and is a good conductor of electricity.

    • B. 

      It is shiny and is a good conductor of heat.

    • C. 

      It is a good conductor of electricity and heat.

  • 7. 
    In comparison with steel, what is pure iron like?
    • A. 

      Harder

    • B. 

      Magnetic

    • C. 

      Softer

  • 8. 
    Which type of steel is likely to be used for making cutlery?
    • A. 

      Stainless steel

    • B. 

      High carbon steel

    • C. 

      Low carbon steel

  • 9. 
    Why are alloys likely to be harder than pure metals?
    • A. 

      Because layers of atoms can slide over each other easily.

    • B. 

      Because layers of atoms cannot slide over each other easily.

    • C. 

      Because their atoms are denser and harder than those of pure metals.

  • 10. 
    What do we call the compounds that contain only carbon and hydrogen atoms?
    • A. 

      Carbohydrates

    • B. 

      Carbohydrogens

    • C. 

      Hydrocarbons

  • 11. 
    Which of the following statements is true of substances with a simple molecular structure?
    • A. 

      They have low melting points and conduct electricity.

    • B. 

      They have low melting points and do not conduct electricity.

    • C. 

      They have high melting points and do not conduct electricity.

  • 12. 
    Why are metals good conductors of electricity?
    • A. 

      They contain electrons that are free to move.

    • B. 

      They contain atoms that are free to move.

    • C. 

      They contain ions that are free to move.

  • 13. 
    Why are hardwood timbers so called?
    • A. 

      They are called hardwood timbers because they are hard to cut.

    • B. 

      They are called hardwood timbers because of their cell structure.

    • C. 

      They are called hardwood timbers because they are hard to get hold of.

  • 14. 
    What do ferrous metals contain?
    • A. 

      Aluminium

    • B. 

      Copper

    • C. 

      Iron

  • 15. 
    How many times can thermoplastics be heated and shaped?
    • A. 

      Once

    • B. 

      Never

    • C. 

      Many

  • 16. 
    What are composite materials made of?
    • A. 

      A composite material is a combination of a thermoplastic materials and a suitable special agent.

    • B. 

      A composite material is a combination of a non-ferrous materials and a suitable thermoplastic agent.

    • C. 

      A composite material is a combination of a reinforcing materials and a suitable bonding agent.

  • 17. 
    If a material can permanently deform in all directions without cracking, it is:
    • A. 

      Ductile

    • B. 

      Elastic

    • C. 

      Durable

    • D. 

      Malleable

  • 18. 
    If a material can withstand sudden blows or shocks without breaking, it is:
    • A. 

      Durable

    • B. 

      Hard

    • C. 

      Strong

    • D. 

      Shockproof

    • E. 

      Tough

  • 19. 
    Which of the following would not be made from stainless steel?
    • A. 

      Knives and forks

    • B. 

      Ball bearings

    • C. 

      Sinks

    • D. 

      Cooking utensils

  • 20. 
    Which of the following things would not be made from polymethyl methacrylate (acrylic)?
    • A. 

      Plugs and sockets for electrical appliances

    • B. 

      Display signs for shops

    • C. 

      Headlight covers on cars

    • D. 

      Wash basins and baths