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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 180 · 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 school bell mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  2. 2.Which of these gives us electricity? (a) a mobile phone (b) a solar panel (c) a computer (d) a water pump
  3. 3.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.Which of these gives us electricity? (a) a cell (b) a television (c) an air conditioner (d) a washing machine
  5. 5.⚡ What does a torch mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  6. 6.⚡ What does a ceiling fan mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  7. 7.⚡ What does a toaster mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  8. 8.🔍 Which is the odd one out? (a) a school bell (b) a buzzer (c) a loudspeaker (d) a traffic signal
  9. 9.Which of these mainly makes movement? (a) a room heater (b) an electric iron (c) a loudspeaker (d) a ceiling fan
  10. 10.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) water drops (c) photons (d) dust particles
  11. 11.⚡ What does an electric iron mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  12. 12.True or false: a ceiling fan mainly makes movement. (a) False (b) True
  13. 13.True or false: an LED lamp mainly makes movement. (a) False (b) True
  14. 14.🔍 Which is the odd one out? (a) a mixer grinder (b) an exhaust fan (c) a table fan (d) a school bell
  15. 15.Which of these gives us electricity? (a) a mobile phone (b) a generator (c) a television (d) a washing machine
  16. 16.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  17. 17.Which of these gives us electricity? (a) a mobile phone (b) a water pump (c) a wind turbine (d) a television
  18. 18.⚡ What does a water heater mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  19. 19.True or false: an electric drill mainly makes movement. (a) False (b) True
  20. 20.True or false: a school bell mainly makes sound. (a) True (b) False
  21. 21.Which of these mainly gives out heat? (a) a water heater (b) a mixer grinder (c) a doorbell (d) a loudspeaker
  22. 22.Which of these mainly gives out light? (a) a street light (b) an exhaust fan (c) a siren (d) an electric toy car
  23. 23.Which of these uses electricity? (a) a solar panel (b) a power station (c) a cell (d) an air conditioner
  24. 24.True or false: a doorbell mainly makes sound. (a) False (b) True
  25. 25.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  26. 26.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  27. 27.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  28. 28.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  29. 29.Which of these uses electricity? (a) a mobile phone (b) a generator (c) a power station (d) a cell
  30. 30.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) electric current (d) a magnet
  31. 31.Which of these mainly gives out heat? (a) a torch (b) a doorbell (c) an LED lamp (d) an electric kettle
  32. 32.Which of these mainly gives out light? (a) a water heater (b) a night lamp (c) a loudspeaker (d) an electric drill
  33. 33.True or false: a school bell mainly gives out heat. (a) True (b) False
  34. 34.🔍 Which is the odd one out? (a) an electric iron (b) a water heater (c) a ceiling fan (d) a toaster
  35. 35.Which of these gives us electricity? (a) an air conditioner (b) a water pump (c) a television (d) a battery
  36. 36.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  37. 37.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) wind energy (c) nuclear energy (d) electrical energy
  38. 38.Which of these mainly gives out heat? (a) a tube light (b) an electric drill (c) a torch (d) a toaster
  39. 39.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  40. 40.Which of these mainly makes sound? (a) an LED lamp (b) a school bell (c) a toaster (d) a table fan

Answer key

  1. sound
  2. a solar panel
  3. uses electricity
  4. a cell
  5. light
  6. movement
  7. heat
  8. a traffic signal
  9. a ceiling fan
  10. electrons
  11. heat
  12. True
  13. False
  14. a school bell
  15. a generator
  16. True
  17. a wind turbine
  18. heat
  19. True
  20. True
  21. a water heater
  22. a street light
  23. an air conditioner
  24. True
  25. movement
  26. heat
  27. sound
  28. light
  29. a mobile phone
  30. electric current
  31. an electric kettle
  32. a night lamp
  33. False
  34. a ceiling fan
  35. a battery
  36. gives electricity
  37. electrical energy
  38. a toaster
  39. gives electricity
  40. a school bell

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