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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 359 · 40 questions
TalentJR

Remember (What comes out?): Sources give electricity: cells, batteries, solar panels, generators, dynamos, power stations. Appliances use it and change it: light (torch, tube light), heat (iron, kettle, toaster), movement (fan, mixer, drill), sound (doorbell, buzzer, speaker). Ask: what comes out when it works? That is the energy it mainly gives.

NameDateTime takenScore ___ / 40
  1. 1.Which of these uses electricity? (a) a cell (b) a television (c) a generator (d) a bicycle dynamo
  2. 2.🔍 Which is the odd one out? (a) a doorbell (b) a mixer grinder (c) an exhaust fan (d) an electric toy car
  3. 3.🔍 Which is the odd one out? (a) a table fan (b) an electric toy car (c) a street light (d) an electric drill
  4. 4.⚡ What does a torch mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  5. 5.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) friction (d) a magnet
  6. 6.Which of these gives us electricity? (a) a cell (b) a water pump (c) a television (d) a washing machine
  7. 7.Which of these mainly gives out light? (a) a traffic signal (b) a toaster (c) an exhaust fan (d) a rice cooker
  8. 8.Which of these mainly makes movement? (a) an electric kettle (b) an electric toy car (c) a torch (d) a siren
  9. 9.⚡ What does a table fan mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  10. 10.Which of these uses electricity? (a) a cell (b) a bicycle dynamo (c) a power station (d) a water pump
  11. 11.Which of these gives us electricity? (a) a television (b) an air conditioner (c) a wind turbine (d) a washing machine
  12. 12.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) sound energy (c) light energy (d) chemical energy
  13. 13.⚡ What does an electric iron mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  14. 14.True or false: a water heater mainly gives out heat. (a) False (b) True
  15. 15.⚡ What does a doorbell mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  16. 16.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  17. 17.True or false: an LED lamp mainly gives out light. (a) False (b) True
  18. 18.🔍 Which is the odd one out? (a) a siren (b) a loudspeaker (c) a tube light (d) a doorbell
  19. 19.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) nuclear energy (c) electrical energy (d) sound energy
  20. 20.⚡ What does a room heater mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  21. 21.Which of these mainly gives out light? (a) an electric drill (b) an electric kettle (c) an LED lamp (d) a table fan
  22. 22.Which of these gives us electricity? (a) a washing machine (b) a generator (c) a refrigerator (d) an air conditioner
  23. 23.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  24. 24.Which of these mainly makes movement? (a) an electric drill (b) a traffic signal (c) a room heater (d) a doorbell
  25. 25.Which of these mainly gives out heat? (a) an LED lamp (b) a ceiling fan (c) a toaster (d) a torch
  26. 26.⚡ What does an electric kettle mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  27. 27.True or false: a loudspeaker mainly makes movement. (a) True (b) False
  28. 28.Which of these mainly gives out heat? (a) a night lamp (b) an exhaust fan (c) a mixer grinder (d) a water heater
  29. 29.🔍 Which is the odd one out? (a) a night lamp (b) a traffic signal (c) a buzzer (d) an LED lamp
  30. 30.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  31. 31.Which of these mainly gives out heat? (a) a table fan (b) a street light (c) an electric iron (d) a torch
  32. 32.True or false: a ceiling fan mainly makes movement. (a) True (b) False
  33. 33.True or false: a rice cooker mainly gives out heat. (a) True (b) False
  34. 34.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  35. 35.Which of these uses electricity? (a) a solar panel (b) a cell (c) a washing machine (d) a battery
  36. 36.⚡ What does a toaster mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  37. 37.⚡ What does a night lamp mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  38. 38.🔍 Which is the odd one out? (a) a torch (b) a mixer grinder (c) a night lamp (d) a street light
  39. 39.Which of these mainly gives out heat? (a) a school bell (b) an LED lamp (c) an electric kettle (d) a ceiling fan
  40. 40.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity

Answer key

  1. a television
  2. a doorbell
  3. a street light
  4. light
  5. electric current
  6. a cell
  7. a traffic signal
  8. an electric toy car
  9. movement
  10. a water pump
  11. a wind turbine
  12. light energy
  13. heat
  14. True
  15. sound
  16. uses electricity
  17. True
  18. a tube light
  19. electrical energy
  20. heat
  21. an LED lamp
  22. a generator
  23. movement
  24. an electric drill
  25. a toaster
  26. heat
  27. False
  28. a water heater
  29. a buzzer
  30. heat
  31. an electric iron
  32. True
  33. True
  34. movement
  35. a washing machine
  36. heat
  37. light
  38. a mixer grinder
  39. an electric kettle
  40. uses electricity

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