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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 843 · 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.True or false: a skipping rope needs a waterproof material. (a) True (b) False
  2. 2.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  3. 3.🧱 Which property matters most for a magnifier lens? (a) flexible (b) heat insulator (c) electrical conductor (d) transparent
  4. 4.🧱 Which property matters most for a spectacle lens? (a) transparent (b) flexible (c) electrical conductor (d) heat insulator
  5. 5.True or false: a tea flask lining needs a flexible material. (a) True (b) False
  6. 6.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) steel (d) glass
  8. 8.Which of these needs a transparent material? (a) a skipping rope (b) a yoga mat (c) a car seat belt (d) a car windscreen
  9. 9.🔍 Which is the odd one out? (a) plastic (b) rubber (c) steel (d) dry wood
  10. 10.🔍 Which is the odd one out? (a) rubber (b) graphite (c) aluminium (d) iron
  11. 11.🧱 Which property matters most for a water tank? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  12. 12.Which of these needs a waterproof material? (a) a hair band (b) a car windscreen (c) a raincoat (d) the core of a wire
  13. 13.🧱 Which property matters most for a boat hull? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  14. 14.Which of these needs a waterproof material? (a) a water tank (b) a car seat belt (c) a window pane (d) a skipping rope
  15. 15.Which of these needs a heat insulator? (a) a car windscreen (b) a raincoat (c) a magnifier lens (d) a tea flask lining
  16. 16.🧱 Which property matters most for an oven glove? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  17. 17.True or false: a raincoat needs an electrical conductor. (a) True (b) False
  18. 18.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.🧱 Which property matters most for a car seat belt? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  20. 20.🔍 Which is the odd one out? (a) cotton cloth (b) rubber (c) clay pottery (d) aluminium
  21. 21.True or false: a plug pin needs a transparent material. (a) True (b) False
  22. 22.🧱 Which property matters most for a cooking pot handle? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  23. 23.🧱 Which material is best for a raincoat? (a) cardboard (b) paper (c) cotton wool (d) plastic-coated cloth
  24. 24.🔍 Which is the odd one out? (a) iron (b) clay pottery (c) dry wood (d) cotton cloth
  25. 25.🔍 Which is the odd one out? (a) copper (b) aluminium (c) cotton cloth (d) graphite
  26. 26.Which of these needs an electrical conductor? (a) a water tank (b) a boat hull (c) an umbrella cover (d) a switch contact
  27. 27.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  28. 28.🧱 Which property matters most for a roof sheet? (a) waterproof (b) heat insulator (c) electrical conductor (d) flexible
  29. 29.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  30. 30.True or false: a boat hull needs a waterproof material. (a) True (b) False
  31. 31.True or false: a car seat belt needs a transparent material. (a) True (b) False
  32. 32.🧱 Which property matters most for a tea flask lining? (a) transparent (b) electrical conductor (c) heat insulator (d) waterproof
  33. 33.🔍 Which is the odd one out? (a) graphite (b) iron (c) glass (d) copper
  34. 34.🧱 Which property matters most for a plug pin? (a) flexible (b) waterproof (c) transparent (d) electrical conductor
  35. 35.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) copper (c) iron (d) wood or plastic
  36. 36.True or false: a hair band needs a flexible material. (a) False (b) True
  37. 37.🧱 Which material is best for a window pane? (a) steel (b) brick (c) glass (d) wood
  38. 38.True or false: a raincoat needs a waterproof material. (a) False (b) True
  39. 39.Which of these needs a flexible material? (a) the core of a wire (b) a tea flask lining (c) a boat hull (d) a hair band
  40. 40.🔍 Which is the odd one out? (a) plastic (b) aluminium (c) copper (d) iron

Answer key

  1. False
  2. an insulator
  3. transparent
  4. transparent
  5. False
  6. a conductor
  7. steel
  8. a car windscreen
  9. steel
  10. rubber
  11. waterproof
  12. a raincoat
  13. waterproof
  14. a water tank
  15. a tea flask lining
  16. heat insulator
  17. False
  18. a conductor
  19. flexible
  20. aluminium
  21. False
  22. heat insulator
  23. plastic-coated cloth
  24. iron
  25. cotton cloth
  26. a switch contact
  27. True
  28. waterproof
  29. an insulator
  30. True
  31. False
  32. heat insulator
  33. glass
  34. electrical conductor
  35. wood or plastic
  36. True
  37. glass
  38. True
  39. a hair band
  40. plastic

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