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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 803 · 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 mainly makes movement? (a) an electric toy car (b) a doorbell (c) a traffic signal (d) an LED lamp
  2. 2.Which of these gives us electricity? (a) a refrigerator (b) a water pump (c) a washing machine (d) a cell
  3. 3.⚡ What does an electric toy car mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  4. 4.True or false: a siren mainly gives out light. (a) False (b) True
  5. 5.Which of these gives us electricity? (a) a television (b) a washing machine (c) a mobile phone (d) a power station
  6. 6.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  7. 7.True or false: a water heater mainly gives out heat. (a) False (b) True
  8. 8.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  9. 9.⚡ What does a night lamp mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  10. 10.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) wind energy
  11. 11.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) wind energy (c) nuclear energy (d) sound energy
  12. 12.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  13. 13.Which of these mainly makes sound? (a) a water heater (b) a mixer grinder (c) a doorbell (d) a room heater
  14. 14.🔍 Which is the odd one out? (a) a tube light (b) a street light (c) an LED lamp (d) a table fan
  15. 15.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  16. 16.⚡ What does an electric iron mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  17. 17.True or false: an electric drill mainly makes movement. (a) True (b) False
  18. 18.⚡ What does a buzzer mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  19. 19.Which of these mainly gives out light? (a) a toaster (b) a rice cooker (c) a doorbell (d) a torch
  20. 20.Which of these mainly gives out light? (a) a doorbell (b) a siren (c) a street light (d) a mixer grinder
  21. 21.Which of these uses electricity? (a) a washing machine (b) a solar panel (c) a battery (d) a bicycle dynamo
  22. 22.Which of these mainly makes movement? (a) an electric iron (b) a night lamp (c) an exhaust fan (d) a traffic signal
  23. 23.True or false: a tube light mainly gives out heat. (a) True (b) False
  24. 24.🔍 Which is the odd one out? (a) a loudspeaker (b) a buzzer (c) a rice cooker (d) a doorbell
  25. 25.True or false: an electric kettle mainly gives out light. (a) True (b) False
  26. 26.Which of these mainly makes movement? (a) a water heater (b) a ceiling fan (c) a school bell (d) a tube light
  27. 27.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.True or false: an LED lamp mainly gives out heat. (a) False (b) True
  29. 29.🔍 Which is the odd one out? (a) a buzzer (b) a loudspeaker (c) a traffic signal (d) a doorbell
  30. 30.Which of these mainly makes sound? (a) an electric iron (b) a buzzer (c) an electric drill (d) an exhaust fan
  31. 31.Which of these gives us electricity? (a) a television (b) a mobile phone (c) a water pump (d) a solar panel
  32. 32.Which of these uses electricity? (a) a power station (b) a cell (c) a generator (d) a computer
  33. 33.⚡ What does a street light mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  34. 34.True or false: a siren mainly makes sound. (a) False (b) True
  35. 35.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) water drops (d) photons
  36. 36.True or false: a doorbell mainly gives out light. (a) False (b) True
  37. 37.Which of these gives us electricity? (a) a television (b) a generator (c) a water pump (d) an air conditioner
  38. 38.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) sound (d) electric current
  39. 39.True or false: a night lamp mainly gives out light. (a) True (b) False
  40. 40.🔍 Which is the odd one out? (a) a doorbell (b) a street light (c) a torch (d) an LED lamp

Answer key

  1. an electric toy car
  2. a cell
  3. movement
  4. False
  5. a power station
  6. uses electricity
  7. True
  8. uses electricity
  9. light
  10. light energy
  11. electrical energy
  12. uses electricity
  13. a doorbell
  14. a table fan
  15. movement
  16. heat
  17. True
  18. sound
  19. a torch
  20. a street light
  21. a washing machine
  22. an exhaust fan
  23. False
  24. a rice cooker
  25. False
  26. a ceiling fan
  27. uses electricity
  28. False
  29. a traffic signal
  30. a buzzer
  31. a solar panel
  32. a computer
  33. light
  34. True
  35. electrons
  36. False
  37. a generator
  38. electric current
  39. True
  40. a doorbell

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