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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 919 · 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 is the odd one out? (a) a toaster (b) a school bell (c) an electric kettle (d) a room heater
  2. 2.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) movement energy (c) light energy (d) chemical energy
  3. 3.🔍 Which is the odd one out? (a) a toaster (b) a rice cooker (c) a water heater (d) an exhaust fan
  4. 4.⚡ What does a room heater mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  5. 5.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  6. 6.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) sound (d) friction
  7. 7.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.Which of these uses electricity? (a) a battery (b) a cell (c) a washing machine (d) a solar panel
  9. 9.Which of these uses electricity? (a) a cell (b) a battery (c) a bicycle dynamo (d) a mobile phone
  10. 10.Which of these mainly gives out light? (a) an LED lamp (b) a ceiling fan (c) an electric iron (d) an electric drill
  11. 11.True or false: a rice cooker mainly gives out heat. (a) True (b) False
  12. 12.⚡ What does a night lamp mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  13. 13.🔍 Which is the odd one out? (a) an electric drill (b) an exhaust fan (c) a ceiling fan (d) a buzzer
  14. 14.Which of these gives us electricity? (a) a washing machine (b) an air conditioner (c) a wind turbine (d) a mobile phone
  15. 15.Which of these gives us electricity? (a) an air conditioner (b) a power station (c) a washing machine (d) a refrigerator
  16. 16.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  17. 17.Which of these mainly gives out light? (a) a water heater (b) a loudspeaker (c) a street light (d) an electric iron
  18. 18.🔍 Which is the odd one out? (a) a loudspeaker (b) a siren (c) a school bell (d) an electric drill
  19. 19.🔍 Which is the odd one out? (a) an exhaust fan (b) a ceiling fan (c) a water heater (d) an electric toy car
  20. 20.True or false: a night lamp mainly gives out light. (a) True (b) False
  21. 21.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  22. 22.Which of these gives us electricity? (a) a refrigerator (b) a water pump (c) a mobile phone (d) a generator
  23. 23.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  24. 24.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  25. 25.🔍 Which is the odd one out? (a) a ceiling fan (b) a siren (c) an electric toy car (d) a table fan
  26. 26.Which of these gives us electricity? (a) a solar panel (b) a water pump (c) a refrigerator (d) an air conditioner
  27. 27.Which of these mainly makes sound? (a) a buzzer (b) an electric toy car (c) a mixer grinder (d) a traffic signal
  28. 28.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  29. 29.Which of these uses electricity? (a) a bicycle dynamo (b) a television (c) a solar panel (d) a generator
  30. 30.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  31. 31.True or false: an LED lamp mainly gives out light. (a) True (b) False
  32. 32.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) dust particles (d) electrons
  33. 33.⚡ What does an electric iron mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  34. 34.⚡ What does an electric drill mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  35. 35.⚡ What does a torch mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  36. 36.Which of these mainly makes sound? (a) a street light (b) a doorbell (c) a table fan (d) an LED lamp
  37. 37.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  38. 38.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  39. 39.🔍 Which is the odd one out? (a) an electric iron (b) a doorbell (c) a toaster (d) a water heater
  40. 40.🔍 Which is the odd one out? (a) a toaster (b) an electric kettle (c) an LED lamp (d) an electric iron

Answer key

  1. a school bell
  2. movement energy
  3. an exhaust fan
  4. heat
  5. gives electricity
  6. electric current
  7. gives electricity
  8. a washing machine
  9. a mobile phone
  10. an LED lamp
  11. True
  12. light
  13. a buzzer
  14. a wind turbine
  15. a power station
  16. sound
  17. a street light
  18. an electric drill
  19. a water heater
  20. True
  21. light
  22. a generator
  23. heat
  24. gives electricity
  25. a siren
  26. a solar panel
  27. a buzzer
  28. gives electricity
  29. a television
  30. gives electricity
  31. True
  32. electrons
  33. heat
  34. movement
  35. light
  36. a doorbell
  37. gives electricity
  38. uses electricity
  39. a doorbell
  40. an LED lamp

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