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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 164 · 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 an exhaust fan mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  2. 2.⚡ What does a rice cooker mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  3. 3.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.Which of these uses electricity? (a) a wind turbine (b) a power station (c) a generator (d) a computer
  5. 5.True or false: a street light mainly makes movement. (a) True (b) False
  6. 6.True or false: a room heater mainly makes movement. (a) True (b) False
  7. 7.⚡ What does an electric drill mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  8. 8.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) movement energy
  9. 9.🔍 Which is the odd one out? (a) a rice cooker (b) a table fan (c) an electric toy car (d) a mixer grinder
  10. 10.Which of these gives us electricity? (a) a cell (b) a refrigerator (c) a television (d) a washing machine
  11. 11.True or false: a loudspeaker mainly gives out light. (a) True (b) False
  12. 12.True or false: a doorbell mainly makes movement. (a) False (b) True
  13. 13.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) nuclear energy (d) electrical energy
  14. 14.Which of these gives us electricity? (a) an air conditioner (b) a refrigerator (c) a power station (d) a washing machine
  15. 15.Which of these mainly makes movement? (a) a night lamp (b) a room heater (c) an electric drill (d) a traffic signal
  16. 16.Which of these gives us electricity? (a) an air conditioner (b) a water pump (c) a solar panel (d) a mobile phone
  17. 17.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) photons (d) electrons
  18. 18.🔍 Which is the odd one out? (a) an electric kettle (b) a ceiling fan (c) a rice cooker (d) an electric iron
  19. 19.Which of these uses electricity? (a) a bicycle dynamo (b) a generator (c) a solar panel (d) a television
  20. 20.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  21. 21.Which of these mainly gives out light? (a) a table fan (b) a school bell (c) a torch (d) an exhaust fan
  22. 22.Which of these mainly gives out heat? (a) a school bell (b) an electric drill (c) a siren (d) a water heater
  23. 23.🔍 Which is the odd one out? (a) a water heater (b) a toaster (c) a table fan (d) an electric kettle
  24. 24.⚡ What does a buzzer mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  25. 25.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.Which of these mainly gives out light? (a) a doorbell (b) a water heater (c) an electric iron (d) a night lamp
  27. 27.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.Which of these mainly gives out heat? (a) an electric drill (b) a rice cooker (c) a traffic signal (d) a ceiling fan
  29. 29.Which of these uses electricity? (a) a washing machine (b) a solar panel (c) a bicycle dynamo (d) a wind turbine
  30. 30.True or false: an LED lamp mainly makes movement. (a) False (b) True
  31. 31.True or false: a loudspeaker mainly makes movement. (a) False (b) True
  32. 32.🔍 Which is the odd one out? (a) a buzzer (b) a street light (c) an LED lamp (d) a traffic signal
  33. 33.True or false: a tube light mainly gives out light. (a) False (b) True
  34. 34.⚡ What does an electric iron mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  35. 35.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.Which of these mainly makes sound? (a) a water heater (b) a siren (c) a torch (d) an electric toy car
  37. 37.Which of these mainly makes movement? (a) a water heater (b) a tube light (c) a table fan (d) an electric kettle
  38. 38.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) a magnet (d) sound
  39. 39.Which of these mainly makes sound? (a) an electric drill (b) a school bell (c) a ceiling fan (d) an exhaust fan
  40. 40.⚡ What does a night lamp mainly change electricity into? (a) movement (b) light (c) sound (d) heat

Answer key

  1. movement
  2. heat
  3. gives electricity
  4. a computer
  5. False
  6. False
  7. movement
  8. movement energy
  9. a rice cooker
  10. a cell
  11. False
  12. False
  13. electrical energy
  14. a power station
  15. an electric drill
  16. a solar panel
  17. electrons
  18. a ceiling fan
  19. a television
  20. uses electricity
  21. a torch
  22. a water heater
  23. a table fan
  24. sound
  25. gives electricity
  26. a night lamp
  27. uses electricity
  28. a rice cooker
  29. a washing machine
  30. False
  31. False
  32. a buzzer
  33. True
  34. heat
  35. gives electricity
  36. a siren
  37. a table fan
  38. electric current
  39. a school bell
  40. light

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