← Conductors and insulators lesson New set →

Electronics Worksheet: Conductors and Insulators

Electronics lesson 3: Conductors and insulators · Set 32 · 40 questions
TalentJR

Remember (Metal passes, plastic blocks): Conductors: metals (copper, iron, steel, aluminium, brass) and graphite. Insulators: rubber, plastic, wood, glass, paper, cotton, wool, cork, ceramic and dry air. Tester: put the object across the gap — the bulb glows only for a conductor.

NameDateTime takenScore ___ / 40
  1. 1.🔌 Is a wooden stick a conductor or an insulator? (a) an insulator (b) a conductor
  2. 2.🔌 Is a plastic ruler a conductor or an insulator? (a) an insulator (b) a conductor
  3. 3.🔌 Is a ceramic cup a conductor or an insulator? (a) a conductor (b) an insulator
  4. 4.🔦 A tester circuit has a new cell, a good bulb and wires with a gap between two clips. We put a steel spoon across the gap. Does the bulb glow? (a) Yes (b) No
  5. 5.🔦 A tester circuit has a new cell, a good bulb and wires with a gap between two clips. We put an iron nail across the gap. Does the bulb glow? (a) Yes (b) No
  6. 6.🔌 Is an iron nail a conductor or an insulator? (a) an insulator (b) a conductor
  7. 7.🔍 Which is the odd one out? (a) a graphite rod (b) a rubber band (c) an iron nail (d) aluminium foil
  8. 8.🔍 Which is the odd one out? (a) a cotton thread (b) a graphite rod (c) a rubber band (d) a ceramic cup
  9. 9.Which of these is a conductor? (a) a rubber band (b) a steel coin (c) a glass marble (d) a wooden stick
  10. 10.🔦 A tester circuit has a new cell, a good bulb and wires with a gap between two clips. We put a glass marble across the gap. Does the bulb glow? (a) No (b) Yes
  11. 11.🔍 Which is the odd one out? (a) a steel spoon (b) a steel coin (c) a paper strip (d) a graphite rod
  12. 12.🔍 Which is the odd one out? (a) a ceramic cup (b) a rubber eraser (c) a glass marble (d) a safety pin
  13. 13.🔌 Is a woollen thread a conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.True or false: aluminium foil is an insulator. (a) False (b) True
  15. 15.🔍 Which is the odd one out? (a) a plastic straw (b) a plastic ruler (c) a paper strip (d) a copper wire
  16. 16.True or false: a rubber band is a conductor. (a) False (b) True
  17. 17.True or false: a copper wire is a conductor. (a) False (b) True
  18. 18.True or false: an iron nail is an insulator. (a) False (b) True
  19. 19.Which of these is an insulator? (a) a copper wire (b) a steel coin (c) a graphite rod (d) a dry cork
  20. 20.🔌 Which metal is used for most electric wires at home? (a) plastic (b) glass (c) rubber (d) copper
  21. 21.Which of these is a conductor? (a) a plastic straw (b) a wooden stick (c) a woollen thread (d) a copper wire
  22. 22.Which of these is a conductor? (a) a plastic ruler (b) a paper strip (c) a rubber band (d) a brass key
  23. 23.🔌 Is a safety pin a conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.🔦 A tester circuit has a new cell, a good bulb and wires with a gap between two clips. We put a wooden stick across the gap. Does the bulb glow? (a) Yes (b) No
  25. 25.🔦 A tester circuit has a new cell, a good bulb and wires with a gap between two clips. We put a brass key across the gap. Does the bulb glow? (a) Yes (b) No
  26. 26.🔍 Which is the odd one out? (a) a rubber eraser (b) aluminium foil (c) an iron nail (d) a steel spoon
  27. 27.Which of these is an insulator? (a) a brass key (b) a graphite rod (c) a glass marble (d) a copper wire
  28. 28.🔦 A tester circuit has a new cell, a good bulb and wires with a gap between two clips. We put a safety pin across the gap. Does the bulb glow? (a) Yes (b) No
  29. 29.Which of these is an insulator? (a) a safety pin (b) a brass key (c) an iron nail (d) a paper strip
  30. 30.🔍 Which is the odd one out? (a) a metal paper clip (b) a brass key (c) a wooden stick (d) a copper wire
  31. 31.🔌 Is a glass marble a conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.🔌 Is a rubber eraser a conductor or an insulator? (a) a conductor (b) an insulator
  33. 33.🔌 Which part of a screwdriver should an electrician hold? (a) the metal tip (b) the bare end (c) the plastic handle (d) the steel shaft
  34. 34.🔍 Which is the odd one out? (a) an iron nail (b) a steel spoon (c) a brass key (d) a dry cork
  35. 35.Which of these is an insulator? (a) a graphite rod (b) a steel spoon (c) a rubber band (d) a copper wire
  36. 36.Which of these is an insulator? (a) a steel spoon (b) a metal paper clip (c) aluminium foil (d) a rubber eraser
  37. 37.🔌 Is a cotton thread a conductor or an insulator? (a) an insulator (b) a conductor
  38. 38.True or false: a steel spoon is a conductor. (a) False (b) True
  39. 39.True or false: a steel coin is an insulator. (a) False (b) True
  40. 40.🔌 Is a dry cork a conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. an insulator
  2. an insulator
  3. an insulator
  4. Yes
  5. Yes
  6. a conductor
  7. a rubber band
  8. a graphite rod
  9. a steel coin
  10. No
  11. a paper strip
  12. a safety pin
  13. an insulator
  14. False
  15. a copper wire
  16. False
  17. True
  18. False
  19. a dry cork
  20. copper
  21. a copper wire
  22. a brass key
  23. a conductor
  24. No
  25. Yes
  26. a rubber eraser
  27. a glass marble
  28. Yes
  29. a paper strip
  30. a wooden stick
  31. an insulator
  32. an insulator
  33. the plastic handle
  34. a dry cork
  35. a rubber band
  36. a rubber eraser
  37. an insulator
  38. True
  39. False
  40. an insulator

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids