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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 94 · 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.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  2. 2.Which of these mainly gives out heat? (a) a school bell (b) a tube light (c) a water heater (d) a loudspeaker
  3. 3.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.🔍 Which is the odd one out? (a) a toaster (b) an electric drill (c) an electric kettle (d) a room heater
  5. 5.Which of these uses electricity? (a) a battery (b) a generator (c) a power station (d) a television
  6. 6.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  7. 7.Which of these uses electricity? (a) a solar panel (b) a cell (c) a water pump (d) a bicycle dynamo
  8. 8.Which of these gives us electricity? (a) a cell (b) a computer (c) a washing machine (d) an air conditioner
  9. 9.True or false: an electric toy car mainly gives out heat. (a) True (b) False
  10. 10.Which of these mainly gives out heat? (a) an electric drill (b) a school bell (c) an electric iron (d) a siren
  11. 11.True or false: a street light mainly gives out light. (a) False (b) True
  12. 12.🔍 Which is the odd one out? (a) a ceiling fan (b) a table fan (c) an electric drill (d) a traffic signal
  13. 13.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) electrons (d) water drops
  14. 14.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) a magnet (d) sound
  15. 15.Which of these mainly gives out heat? (a) a siren (b) an electric drill (c) a school bell (d) an electric kettle
  16. 16.Which of these mainly gives out light? (a) a rice cooker (b) a night lamp (c) a water heater (d) an electric kettle
  17. 17.🔍 Which is the odd one out? (a) an exhaust fan (b) a ceiling fan (c) a street light (d) a table fan
  18. 18.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  19. 19.True or false: a tube light mainly gives out light. (a) False (b) True
  20. 20.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.True or false: a traffic signal mainly gives out heat. (a) True (b) False
  22. 22.🔍 Which is the odd one out? (a) a buzzer (b) an LED lamp (c) a street light (d) a torch
  23. 23.Which of these mainly makes movement? (a) a rice cooker (b) a siren (c) a mixer grinder (d) a night lamp
  24. 24.True or false: a torch mainly gives out light. (a) True (b) False
  25. 25.Which of these mainly gives out heat? (a) an LED lamp (b) an electric toy car (c) a school bell (d) a toaster
  26. 26.⚡ What does a mixer grinder mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  27. 27.⚡ What does a buzzer mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  28. 28.⚡ What does a night lamp mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  29. 29.⚡ What does an electric kettle mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  30. 30.🔍 Which is the odd one out? (a) a night lamp (b) a street light (c) a tube light (d) a rice cooker
  31. 31.🔍 Which is the odd one out? (a) a toaster (b) an electric kettle (c) an LED lamp (d) an electric iron
  32. 32.🔍 Which is the odd one out? (a) a buzzer (b) a siren (c) a school bell (d) a water heater
  33. 33.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  34. 34.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  35. 35.Which of these mainly makes movement? (a) a loudspeaker (b) a torch (c) a traffic signal (d) an electric drill
  36. 36.⚡ What does a ceiling fan mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  37. 37.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  38. 38.Which of these mainly gives out light? (a) an electric iron (b) a toaster (c) a traffic signal (d) a buzzer
  39. 39.⚡ What does a water heater mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  40. 40.Which of these gives us electricity? (a) a television (b) an air conditioner (c) a computer (d) a solar panel

Answer key

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

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