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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 640 · 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 rice cooker mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  2. 2.Which of these uses electricity? (a) a generator (b) a battery (c) a refrigerator (d) a solar panel
  3. 3.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) wind energy (c) sound energy (d) light energy
  4. 4.🔍 Which is the odd one out? (a) a room heater (b) an electric iron (c) a table fan (d) a toaster
  5. 5.🔍 Which is the odd one out? (a) an electric iron (b) a ceiling fan (c) an electric toy car (d) a mixer grinder
  6. 6.Which of these mainly gives out heat? (a) a traffic signal (b) a rice cooker (c) a buzzer (d) a school bell
  7. 7.Which of these mainly gives out heat? (a) a traffic signal (b) an electric iron (c) a table fan (d) an LED lamp
  8. 8.🔍 Which is the odd one out? (a) a rice cooker (b) a room heater (c) a toaster (d) a doorbell
  9. 9.⚡ What does an electric drill mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  10. 10.True or false: a traffic signal mainly makes movement. (a) False (b) True
  11. 11.⚡ What does a torch mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  12. 12.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) sound energy (c) movement energy (d) light energy
  13. 13.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) photons (d) water drops
  15. 15.Which of these gives us electricity? (a) a solar panel (b) a refrigerator (c) a mobile phone (d) a water pump
  16. 16.🔍 Which is the odd one out? (a) a night lamp (b) a torch (c) a room heater (d) a street light
  17. 17.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  18. 18.True or false: a room heater mainly gives out heat. (a) False (b) True
  19. 19.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) nuclear energy (d) wind energy
  20. 20.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  21. 21.True or false: a water heater mainly makes movement. (a) False (b) True
  22. 22.Which of these mainly makes sound? (a) a tube light (b) an electric kettle (c) a traffic signal (d) a siren
  23. 23.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.Which of these gives us electricity? (a) a refrigerator (b) a generator (c) a television (d) a computer
  25. 25.True or false: an electric kettle mainly gives out light. (a) True (b) False
  26. 26.True or false: a street light mainly gives out light. (a) False (b) True
  27. 27.Which of these mainly makes sound? (a) a toaster (b) an LED lamp (c) an electric toy car (d) a doorbell
  28. 28.Which of these uses electricity? (a) a cell (b) a water pump (c) a wind turbine (d) a bicycle dynamo
  29. 29.Which of these mainly makes movement? (a) a rice cooker (b) an LED lamp (c) an electric toy car (d) an electric kettle
  30. 30.Which of these mainly makes movement? (a) a mixer grinder (b) a loudspeaker (c) a rice cooker (d) a street light
  31. 31.Which of these uses electricity? (a) a bicycle dynamo (b) a wind turbine (c) a cell (d) an air conditioner
  32. 32.🔍 Which is the odd one out? (a) a room heater (b) a toaster (c) a rice cooker (d) a tube light
  33. 33.Which of these mainly makes movement? (a) a toaster (b) a room heater (c) an exhaust fan (d) a street light
  34. 34.True or false: a loudspeaker mainly makes movement. (a) False (b) True
  35. 35.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) sound (c) a magnet (d) electric current
  36. 36.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.🔍 Which is the odd one out? (a) a doorbell (b) an exhaust fan (c) a school bell (d) a loudspeaker
  38. 38.Which of these mainly gives out light? (a) an electric drill (b) a night lamp (c) an electric toy car (d) a ceiling fan
  39. 39.True or false: a ceiling fan mainly makes movement. (a) False (b) True
  40. 40.Which of these uses electricity? (a) a washing machine (b) a wind turbine (c) a power station (d) a cell

Answer key

  1. heat
  2. a refrigerator
  3. light energy
  4. a table fan
  5. an electric iron
  6. a rice cooker
  7. an electric iron
  8. a doorbell
  9. movement
  10. False
  11. light
  12. movement energy
  13. gives electricity
  14. electrons
  15. a solar panel
  16. a room heater
  17. gives electricity
  18. True
  19. electrical energy
  20. sound
  21. False
  22. a siren
  23. uses electricity
  24. a generator
  25. False
  26. True
  27. a doorbell
  28. a water pump
  29. an electric toy car
  30. a mixer grinder
  31. an air conditioner
  32. a tube light
  33. an exhaust fan
  34. False
  35. electric current
  36. gives electricity
  37. an exhaust fan
  38. a night lamp
  39. True
  40. a washing machine

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