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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 873 · 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.⚡ What does a water heater mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  2. 2.⚡ What does a street light mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  3. 3.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.Which of these mainly makes sound? (a) a traffic signal (b) an electric drill (c) a doorbell (d) a ceiling fan
  5. 5.🔍 Which is the odd one out? (a) a room heater (b) an electric drill (c) a ceiling fan (d) a table fan
  6. 6.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) light energy (c) sound energy (d) chemical energy
  7. 7.Which of these mainly gives out light? (a) a water heater (b) an LED lamp (c) an electric kettle (d) an electric drill
  8. 8.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  9. 9.True or false: a water heater mainly makes sound. (a) True (b) False
  10. 10.Which of these uses electricity? (a) a washing machine (b) a battery (c) a bicycle dynamo (d) a solar panel
  11. 11.True or false: an electric drill mainly makes movement. (a) False (b) True
  12. 12.⚡ What does a mixer grinder mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  13. 13.Which of these gives us electricity? (a) a computer (b) a cell (c) a mobile phone (d) a television
  14. 14.⚡ What does an electric iron mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  15. 15.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  16. 16.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) nuclear energy (d) wind energy
  17. 17.Which of these gives us electricity? (a) an air conditioner (b) a solar panel (c) a water pump (d) a mobile phone
  18. 18.🔍 Which is the odd one out? (a) a torch (b) a loudspeaker (c) a buzzer (d) a siren
  19. 19.True or false: a torch mainly gives out light. (a) True (b) False
  20. 20.Which of these mainly gives out heat? (a) a rice cooker (b) an exhaust fan (c) a street light (d) an electric toy car
  21. 21.Which of these uses electricity? (a) a solar panel (b) a wind turbine (c) a refrigerator (d) a bicycle dynamo
  22. 22.🔍 Which is the odd one out? (a) a table fan (b) an electric drill (c) a loudspeaker (d) an exhaust fan
  23. 23.Which of these mainly makes movement? (a) a night lamp (b) a room heater (c) a mixer grinder (d) a siren
  24. 24.Which of these mainly gives out heat? (a) a toaster (b) a night lamp (c) a buzzer (d) a school bell
  25. 25.🔍 Which is the odd one out? (a) a rice cooker (b) an LED lamp (c) a traffic signal (d) a tube light
  26. 26.True or false: a traffic signal mainly gives out light. (a) True (b) False
  27. 27.🔍 Which is the odd one out? (a) a toaster (b) a rice cooker (c) an electric kettle (d) a tube light
  28. 28.⚡ What does a doorbell mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  29. 29.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) friction (d) sound
  30. 30.🔍 Which is the odd one out? (a) an electric kettle (b) an electric iron (c) a rice cooker (d) a doorbell
  31. 31.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) photons (d) water drops
  32. 32.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) light energy (c) sound energy (d) chemical energy
  33. 33.True or false: a toaster mainly makes sound. (a) True (b) False
  34. 34.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  35. 35.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.Which of these mainly makes movement? (a) a torch (b) a room heater (c) a street light (d) a table fan
  37. 37.Which of these uses electricity? (a) a battery (b) a power station (c) a cell (d) a television
  38. 38.True or false: a ceiling fan mainly gives out light. (a) True (b) False
  39. 39.Which of these mainly makes movement? (a) a water heater (b) a street light (c) a torch (d) a ceiling fan
  40. 40.Which of these mainly gives out heat? (a) a traffic signal (b) a school bell (c) an electric kettle (d) a mixer grinder

Answer key

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

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