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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 113 · 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 gives out heat? (a) a loudspeaker (b) a toaster (c) a torch (d) an electric drill
  3. 3.🔍 Which is the odd one out? (a) an electric toy car (b) a mixer grinder (c) a siren (d) an exhaust fan
  4. 4.True or false: an electric drill mainly makes movement. (a) True (b) False
  5. 5.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  6. 6.⚡ What does an electric toy car mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  7. 7.🔍 Which is the odd one out? (a) a street light (b) a doorbell (c) a loudspeaker (d) a siren
  8. 8.Which of these mainly gives out heat? (a) a siren (b) a ceiling fan (c) a rice cooker (d) a traffic signal
  9. 9.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) electric current (d) sound
  10. 10.Which of these gives us electricity? (a) an air conditioner (b) a water pump (c) a refrigerator (d) a solar panel
  11. 11.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) wind energy
  12. 12.⚡ What does a table fan mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  13. 13.Which of these mainly makes movement? (a) an exhaust fan (b) a toaster (c) an electric kettle (d) a torch
  14. 14.True or false: a traffic signal mainly gives out light. (a) False (b) True
  15. 15.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  16. 16.True or false: an electric iron mainly makes movement. (a) True (b) False
  17. 17.True or false: an electric toy car mainly makes movement. (a) True (b) False
  18. 18.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  20. 20.True or false: a doorbell mainly gives out light. (a) False (b) True
  21. 21.Which of these uses electricity? (a) a bicycle dynamo (b) a power station (c) a cell (d) a mobile phone
  22. 22.⚡ What does a torch mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  23. 23.🔍 Which is the odd one out? (a) a mixer grinder (b) a table fan (c) an electric toy car (d) a night lamp
  24. 24.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  25. 25.Which of these mainly makes movement? (a) an electric drill (b) an LED lamp (c) a buzzer (d) a traffic signal
  26. 26.Which of these uses electricity? (a) a wind turbine (b) a water pump (c) a solar panel (d) a bicycle dynamo
  27. 27.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  28. 28.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) sound energy (c) chemical energy (d) movement energy
  29. 29.True or false: a loudspeaker mainly makes sound. (a) True (b) False
  30. 30.🔍 Which is the odd one out? (a) a torch (b) a night lamp (c) a rice cooker (d) a traffic signal
  31. 31.True or false: an LED lamp mainly gives out light. (a) False (b) True
  32. 32.Which of these mainly makes sound? (a) an exhaust fan (b) a toaster (c) a doorbell (d) a night lamp
  33. 33.🔍 Which is the odd one out? (a) a buzzer (b) a torch (c) a doorbell (d) a siren
  34. 34.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  35. 35.🔍 Which is the odd one out? (a) a siren (b) a doorbell (c) a water heater (d) a buzzer
  36. 36.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) dust particles (d) electrons
  37. 37.Which of these mainly gives out light? (a) a doorbell (b) a night lamp (c) an electric kettle (d) an exhaust fan
  38. 38.Which of these uses electricity? (a) a generator (b) a cell (c) a solar panel (d) a computer
  39. 39.True or false: an exhaust fan mainly gives out light. (a) False (b) True
  40. 40.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) sound energy (d) electrical energy

Answer key

  1. True
  2. a toaster
  3. a siren
  4. True
  5. uses electricity
  6. movement
  7. a street light
  8. a rice cooker
  9. electric current
  10. a solar panel
  11. light energy
  12. movement
  13. an exhaust fan
  14. True
  15. movement
  16. False
  17. True
  18. gives electricity
  19. uses electricity
  20. False
  21. a mobile phone
  22. light
  23. a night lamp
  24. light
  25. an electric drill
  26. a water pump
  27. uses electricity
  28. movement energy
  29. True
  30. a rice cooker
  31. True
  32. a doorbell
  33. a torch
  34. gives electricity
  35. a water heater
  36. electrons
  37. a night lamp
  38. a computer
  39. False
  40. electrical energy

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