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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 467 · 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: a water heater mainly gives out heat. (a) True (b) False
  2. 2.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  3. 3.Which of these mainly gives out heat? (a) a table fan (b) an electric kettle (c) a traffic signal (d) a siren
  4. 4.True or false: a toaster mainly gives out heat. (a) True (b) False
  5. 5.🔍 Which is the odd one out? (a) a night lamp (b) an electric toy car (c) a ceiling fan (d) a table fan
  6. 6.True or false: a street light mainly gives out heat. (a) False (b) True
  7. 7.Which of these mainly makes movement? (a) a loudspeaker (b) a water heater (c) a school bell (d) an electric drill
  8. 8.True or false: an electric iron mainly gives out heat. (a) False (b) True
  9. 9.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) water drops (d) photons
  10. 10.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) electric current (c) a magnet (d) sound
  11. 11.Which of these mainly gives out light? (a) an LED lamp (b) a siren (c) a doorbell (d) a mixer grinder
  12. 12.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) nuclear energy (c) sound energy (d) wind energy
  13. 13.Which of these gives us electricity? (a) a mobile phone (b) a refrigerator (c) a wind turbine (d) a washing machine
  14. 14.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.⚡ What does a doorbell mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  16. 16.⚡ What does an electric kettle mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  17. 17.Which of these uses electricity? (a) a power station (b) a wind turbine (c) a refrigerator (d) a battery
  18. 18.⚡ What does a tube light mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  19. 19.True or false: a buzzer mainly makes movement. (a) False (b) True
  20. 20.⚡ What does a night lamp mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  21. 21.Which of these mainly makes sound? (a) a buzzer (b) a torch (c) a tube light (d) a rice cooker
  22. 22.True or false: an LED lamp mainly gives out light. (a) False (b) True
  23. 23.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) sound energy (c) light energy (d) movement energy
  24. 24.Which of these gives us electricity? (a) a computer (b) a refrigerator (c) a power station (d) a washing machine
  25. 25.🔍 Which is the odd one out? (a) an LED lamp (b) a torch (c) an electric kettle (d) a tube light
  26. 26.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  27. 27.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.True or false: a rice cooker mainly makes movement. (a) False (b) True
  29. 29.True or false: a loudspeaker mainly makes sound. (a) False (b) True
  30. 30.Which of these gives us electricity? (a) an air conditioner (b) a washing machine (c) a mobile phone (d) a cell
  31. 31.Which of these mainly gives out light? (a) a rice cooker (b) a street light (c) a school bell (d) a table fan
  32. 32.Which of these mainly gives out heat? (a) an LED lamp (b) a water heater (c) a ceiling fan (d) a street light
  33. 33.Which of these gives us electricity? (a) a solar panel (b) an air conditioner (c) a washing machine (d) a television
  34. 34.Which of these mainly gives out heat? (a) a doorbell (b) a loudspeaker (c) a toaster (d) a street light
  35. 35.Which of these uses electricity? (a) a battery (b) a solar panel (c) a generator (d) a computer
  36. 36.True or false: an exhaust fan mainly makes movement. (a) False (b) True
  37. 37.Which of these mainly gives out heat? (a) an exhaust fan (b) a night lamp (c) a tube light (d) an electric iron
  38. 38.⚡ What does a room heater mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  39. 39.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  40. 40.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity

Answer key

  1. True
  2. gives electricity
  3. an electric kettle
  4. True
  5. a night lamp
  6. False
  7. an electric drill
  8. True
  9. electrons
  10. electric current
  11. an LED lamp
  12. electrical energy
  13. a wind turbine
  14. uses electricity
  15. sound
  16. heat
  17. a refrigerator
  18. light
  19. False
  20. light
  21. a buzzer
  22. True
  23. movement energy
  24. a power station
  25. an electric kettle
  26. gives electricity
  27. gives electricity
  28. False
  29. True
  30. a cell
  31. a street light
  32. a water heater
  33. a solar panel
  34. a toaster
  35. a computer
  36. True
  37. an electric iron
  38. heat
  39. light
  40. gives electricity

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