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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 252 · 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.True or false: an electric kettle mainly gives out heat. (a) True (b) False
  2. 2.Which of these mainly makes sound? (a) a siren (b) a torch (c) a traffic signal (d) an electric kettle
  3. 3.True or false: a night lamp mainly gives out light. (a) False (b) True
  4. 4.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  5. 5.True or false: an LED lamp mainly gives out light. (a) False (b) True
  6. 6.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  7. 7.🔍 Which is the odd one out? (a) a street light (b) an electric iron (c) an electric kettle (d) a toaster
  8. 8.Which of these uses electricity? (a) a generator (b) a cell (c) an air conditioner (d) a battery
  9. 9.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) dust particles (d) water drops
  10. 10.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) wind energy (d) sound energy
  11. 11.🔍 Which is the odd one out? (a) a siren (b) a school bell (c) a buzzer (d) a toaster
  12. 12.Which of these mainly gives out heat? (a) a school bell (b) an LED lamp (c) an electric kettle (d) a table fan
  13. 13.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) sound (d) electric current
  14. 14.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.⚡ What does an LED lamp mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  16. 16.⚡ What does a torch mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  17. 17.Which of these mainly gives out heat? (a) a mixer grinder (b) a school bell (c) an electric iron (d) a loudspeaker
  18. 18.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  19. 19.🔍 Which is the odd one out? (a) a table fan (b) an exhaust fan (c) a mixer grinder (d) a loudspeaker
  20. 20.True or false: a street light mainly gives out heat. (a) True (b) False
  21. 21.🔍 Which is the odd one out? (a) a loudspeaker (b) a buzzer (c) a night lamp (d) a doorbell
  22. 22.Which of these gives us electricity? (a) a wind turbine (b) an air conditioner (c) a computer (d) a washing machine
  23. 23.Which of these gives us electricity? (a) a water pump (b) a refrigerator (c) a television (d) a battery
  24. 24.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  25. 25.Which of these mainly gives out heat? (a) an electric toy car (b) a loudspeaker (c) an exhaust fan (d) a rice cooker
  26. 26.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  27. 27.Which of these gives us electricity? (a) a refrigerator (b) a generator (c) a water pump (d) a computer
  28. 28.True or false: a tube light mainly gives out heat. (a) True (b) False
  29. 29.Which of these mainly gives out light? (a) a rice cooker (b) a buzzer (c) an electric drill (d) a tube light
  30. 30.True or false: a doorbell mainly makes movement. (a) True (b) False
  31. 31.Which of these mainly gives out heat? (a) a toaster (b) a table fan (c) an exhaust fan (d) an electric drill
  32. 32.Which of these gives us electricity? (a) a cell (b) a television (c) a computer (d) a washing machine
  33. 33.🔍 Which is the odd one out? (a) a doorbell (b) an LED lamp (c) a street light (d) a night lamp
  34. 34.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) light energy (c) sound energy (d) movement energy
  35. 35.True or false: a night lamp mainly gives out heat. (a) False (b) True
  36. 36.⚡ What does a siren mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  37. 37.True or false: a table fan mainly makes movement. (a) False (b) True
  38. 38.True or false: an electric iron mainly makes sound. (a) True (b) False
  39. 39.Which of these mainly makes movement? (a) a siren (b) a night lamp (c) a table fan (d) a water heater
  40. 40.True or false: a toaster mainly gives out heat. (a) True (b) False

Answer key

  1. True
  2. a siren
  3. True
  4. movement
  5. True
  6. True
  7. a street light
  8. an air conditioner
  9. electrons
  10. light energy
  11. a toaster
  12. an electric kettle
  13. electric current
  14. gives electricity
  15. light
  16. light
  17. an electric iron
  18. movement
  19. a loudspeaker
  20. False
  21. a night lamp
  22. a wind turbine
  23. a battery
  24. uses electricity
  25. a rice cooker
  26. gives electricity
  27. a generator
  28. False
  29. a tube light
  30. False
  31. a toaster
  32. a cell
  33. a doorbell
  34. movement energy
  35. False
  36. sound
  37. True
  38. False
  39. a table fan
  40. True

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