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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 56 · 40 questions
TalentJR

Engineer's tip (Match the property to the job): Ask: what must it do — keep water out, bend, let light through, carry current or stay cool? Metals and graphite conduct electricity; rubber, plastic, dry wood, glass, pottery and cloth insulate. Pick the material whose main property fits the job.

NameDateTime takenScore ___ / 40
  1. 1.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) waterproof (c) transparent (d) heat insulator
  2. 2.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  3. 3.🔍 Which is the odd one out? (a) copper (b) graphite (c) rubber (d) aluminium
  4. 4.True or false: a raincoat needs a waterproof material. (a) True (b) False
  5. 5.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) plastic-coated cloth (d) cardboard
  6. 6.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  7. 7.Which of these needs a flexible material? (a) a magnifier lens (b) the core of a wire (c) a cooking pot handle (d) a skipping rope
  8. 8.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  9. 9.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) aluminium (d) copper
  10. 10.True or false: a switch contact needs an electrical conductor. (a) False (b) True
  11. 11.🔍 Which is the odd one out? (a) aluminium (b) dry wood (c) rubber (d) clay pottery
  12. 12.🔍 Which is the odd one out? (a) plastic (b) graphite (c) aluminium (d) brass
  13. 13.🔍 Which is the odd one out? (a) brass (b) aluminium (c) clay pottery (d) copper
  14. 14.🧱 Which material is best for the bars inside concrete? (a) glass (b) steel (c) plastic (d) rubber
  15. 15.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  16. 16.🧱 Which material is best for a window pane? (a) wood (b) steel (c) glass (d) brick
  17. 17.Which of these needs a heat insulator? (a) a cooking pot handle (b) the core of a wire (c) a raincoat (d) a magnifier lens
  18. 18.🔍 Which is the odd one out? (a) cotton cloth (b) graphite (c) clay pottery (d) dry wood
  19. 19.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.True or false: a skipping rope needs a flexible material. (a) True (b) False
  21. 21.True or false: the core of a wire needs a heat insulator. (a) True (b) False
  22. 22.🔍 Which is the odd one out? (a) dry wood (b) rubber (c) brass (d) glass
  23. 23.True or false: a skipping rope needs a heat insulator. (a) False (b) True
  24. 24.🔍 Which is the odd one out? (a) steel (b) clay pottery (c) dry wood (d) plastic
  25. 25.Which of these needs a transparent material? (a) a window pane (b) a water tank (c) a switch contact (d) a car seat belt
  26. 26.🔍 Which is the odd one out? (a) iron (b) glass (c) clay pottery (d) dry wood
  27. 27.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  28. 28.🧱 Which property matters most for a switch contact? (a) heat insulator (b) waterproof (c) transparent (d) electrical conductor
  29. 29.True or false: a car seat belt needs a transparent material. (a) False (b) True
  30. 30.Which of these needs an electrical conductor? (a) a plug pin (b) a skipping rope (c) a water tank (d) an umbrella cover
  31. 31.Which of these needs a flexible material? (a) a yoga mat (b) a window pane (c) a boat hull (d) a magnifier lens
  32. 32.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  33. 33.Which of these needs an electrical conductor? (a) a water tank (b) a car seat belt (c) a switch contact (d) a hair band
  34. 34.True or false: a plug pin needs a waterproof material. (a) False (b) True
  35. 35.Which of these needs a heat insulator? (a) a boat hull (b) a tea flask lining (c) a yoga mat (d) a spectacle lens
  36. 36.🧱 Which property matters most for a raincoat? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  37. 37.🔍 Which is the odd one out? (a) aluminium (b) cotton cloth (c) brass (d) graphite
  38. 38.True or false: an oven glove needs a heat insulator. (a) False (b) True
  39. 39.🧱 Which property matters most for a plug pin? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
  40. 40.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. waterproof
  2. heat insulator
  3. rubber
  4. True
  5. plastic-coated cloth
  6. flexible
  7. a skipping rope
  8. an insulator
  9. wood or plastic
  10. True
  11. aluminium
  12. plastic
  13. clay pottery
  14. steel
  15. True
  16. glass
  17. a cooking pot handle
  18. graphite
  19. a conductor
  20. True
  21. False
  22. brass
  23. False
  24. steel
  25. a window pane
  26. iron
  27. a conductor
  28. electrical conductor
  29. False
  30. a plug pin
  31. a yoga mat
  32. True
  33. a switch contact
  34. False
  35. a tea flask lining
  36. waterproof
  37. cotton cloth
  38. True
  39. electrical conductor
  40. an insulator

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