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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 236 · 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 toy car mainly gives out light. (a) True (b) False
  2. 2.Which of these mainly gives out heat? (a) a table fan (b) a school bell (c) an LED lamp (d) a toaster
  3. 3.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  4. 4.Which of these mainly makes movement? (a) a traffic signal (b) an electric toy car (c) a rice cooker (d) a toaster
  5. 5.⚡ What does an electric iron mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  6. 6.Which of these mainly gives out heat? (a) a loudspeaker (b) a rice cooker (c) a school bell (d) a table fan
  7. 7.Which of these uses electricity? (a) a washing machine (b) a solar panel (c) a generator (d) a battery
  8. 8.Which of these mainly makes sound? (a) an electric drill (b) an electric iron (c) a loudspeaker (d) a night lamp
  9. 9.⚡ What does a table fan mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  10. 10.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) sound (c) electric current (d) a magnet
  11. 11.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) wind energy (d) sound energy
  12. 12.🔍 Which is the odd one out? (a) a siren (b) a doorbell (c) a buzzer (d) a toaster
  13. 13.Which of these mainly gives out light? (a) a toaster (b) a torch (c) a doorbell (d) an electric drill
  14. 14.Which of these mainly makes sound? (a) a toaster (b) a table fan (c) an electric kettle (d) a buzzer
  15. 15.🔍 Which is the odd one out? (a) a traffic signal (b) an LED lamp (c) a tube light (d) a loudspeaker
  16. 16.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.🔍 Which is the odd one out? (a) a buzzer (b) a siren (c) a school bell (d) a mixer grinder
  19. 19.True or false: a buzzer mainly makes sound. (a) False (b) True
  20. 20.Which of these uses electricity? (a) a solar panel (b) a battery (c) a refrigerator (d) a cell
  21. 21.Which of these uses electricity? (a) a solar panel (b) a computer (c) a bicycle dynamo (d) a cell
  22. 22.Which of these gives us electricity? (a) a computer (b) a cell (c) a water pump (d) an air conditioner
  23. 23.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) movement energy (c) chemical energy (d) sound energy
  24. 24.🔍 Which is the odd one out? (a) an electric kettle (b) a water heater (c) a rice cooker (d) a street light
  25. 25.🔍 Which is the odd one out? (a) a street light (b) a tube light (c) an exhaust fan (d) a torch
  26. 26.Which of these gives us electricity? (a) a mobile phone (b) a water pump (c) an air conditioner (d) a bicycle dynamo
  27. 27.True or false: a doorbell mainly makes movement. (a) True (b) False
  28. 28.True or false: a buzzer mainly makes movement. (a) False (b) True
  29. 29.⚡ What does a traffic signal mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  30. 30.True or false: a school bell mainly gives out heat. (a) True (b) False
  31. 31.True or false: a traffic signal mainly gives out light. (a) False (b) True
  32. 32.Which of these gives us electricity? (a) a television (b) a water pump (c) a washing machine (d) a generator
  33. 33.Which of these mainly gives out heat? (a) an electric iron (b) a siren (c) a street light (d) a torch
  34. 34.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric drill (c) an electric kettle (d) a table fan
  35. 35.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  36. 36.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) water drops (c) electrons (d) dust particles
  37. 37.Which of these mainly gives out light? (a) a mixer grinder (b) a tube light (c) a buzzer (d) an electric iron
  38. 38.⚡ What does a doorbell mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  39. 39.True or false: a toaster mainly gives out light. (a) True (b) False
  40. 40.Which of these mainly gives out heat? (a) a mixer grinder (b) a water heater (c) a siren (d) an electric toy car

Answer key

  1. False
  2. a toaster
  3. movement
  4. an electric toy car
  5. heat
  6. a rice cooker
  7. a washing machine
  8. a loudspeaker
  9. movement
  10. electric current
  11. light energy
  12. a toaster
  13. a torch
  14. a buzzer
  15. a loudspeaker
  16. gives electricity
  17. uses electricity
  18. a mixer grinder
  19. True
  20. a refrigerator
  21. a computer
  22. a cell
  23. movement energy
  24. a street light
  25. an exhaust fan
  26. a bicycle dynamo
  27. False
  28. False
  29. light
  30. False
  31. True
  32. a generator
  33. an electric iron
  34. an electric kettle
  35. movement
  36. electrons
  37. a tube light
  38. sound
  39. False
  40. a water heater

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