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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 443 · 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 is the odd one out? (a) a tube light (b) a torch (c) a water heater (d) a traffic signal
  2. 2.Which of these mainly gives out heat? (a) a night lamp (b) a rice cooker (c) a tube light (d) a doorbell
  3. 3.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  6. 6.Which of these mainly makes sound? (a) an exhaust fan (b) a table fan (c) a buzzer (d) a night lamp
  7. 7.Which of these gives us electricity? (a) a washing machine (b) a refrigerator (c) a television (d) a cell
  8. 8.Which of these gives us electricity? (a) a water pump (b) a battery (c) a computer (d) a washing machine
  9. 9.True or false: a water heater mainly gives out light. (a) True (b) False
  10. 10.Which of these uses electricity? (a) a power station (b) a cell (c) a washing machine (d) a solar panel
  11. 11.⚡ What does a water heater mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  12. 12.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  13. 13.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  14. 14.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) photons (d) electrons
  16. 16.True or false: a school bell mainly gives out heat. (a) False (b) True
  17. 17.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) a magnet (c) friction (d) sound
  18. 18.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) chemical energy (c) light energy (d) sound energy
  19. 19.Which of these uses electricity? (a) a battery (b) a power station (c) a solar panel (d) a computer
  20. 20.🔍 Which is the odd one out? (a) a school bell (b) a loudspeaker (c) a doorbell (d) a table fan
  21. 21.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  22. 22.True or false: a mixer grinder mainly makes movement. (a) True (b) False
  23. 23.True or false: a siren mainly gives out heat. (a) True (b) False
  24. 24.True or false: a ceiling fan mainly makes sound. (a) True (b) False
  25. 25.Which of these uses electricity? (a) a water pump (b) a wind turbine (c) a cell (d) a power station
  26. 26.Which of these mainly gives out light? (a) a doorbell (b) a school bell (c) a siren (d) an LED lamp
  27. 27.⚡ What does an electric iron mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  28. 28.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  29. 29.Which of these gives us electricity? (a) a mobile phone (b) a water pump (c) a solar panel (d) an air conditioner
  30. 30.⚡ What does a night lamp mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  31. 31.🔍 Which is the odd one out? (a) a table fan (b) a mixer grinder (c) a loudspeaker (d) an electric drill
  32. 32.Which of these mainly gives out light? (a) a doorbell (b) a tube light (c) a ceiling fan (d) a toaster
  33. 33.Which of these mainly makes sound? (a) an exhaust fan (b) an electric toy car (c) a loudspeaker (d) a street light
  34. 34.Which of these mainly makes sound? (a) a room heater (b) a school bell (c) an electric drill (d) a water heater
  35. 35.🔍 Which is the odd one out? (a) a ceiling fan (b) a table fan (c) a mixer grinder (d) a torch
  36. 36.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  37. 37.True or false: a table fan mainly makes movement. (a) False (b) True
  38. 38.Which of these mainly makes movement? (a) a rice cooker (b) an electric iron (c) a loudspeaker (d) a table fan
  39. 39.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.Which of these mainly makes movement? (a) a night lamp (b) a loudspeaker (c) a school bell (d) a ceiling fan

Answer key

  1. a water heater
  2. a rice cooker
  3. uses electricity
  4. gives electricity
  5. gives electricity
  6. a buzzer
  7. a cell
  8. a battery
  9. False
  10. a washing machine
  11. heat
  12. uses electricity
  13. light
  14. uses electricity
  15. electrons
  16. False
  17. electric current
  18. movement energy
  19. a computer
  20. a table fan
  21. gives electricity
  22. True
  23. False
  24. False
  25. a water pump
  26. an LED lamp
  27. heat
  28. uses electricity
  29. a solar panel
  30. light
  31. a loudspeaker
  32. a tube light
  33. a loudspeaker
  34. a school bell
  35. a torch
  36. light
  37. True
  38. a table fan
  39. gives electricity
  40. a ceiling fan

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