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Electronics Worksheet: Electricity and Energy

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

Answer key

  1. a water pump
  2. movement energy
  3. uses electricity
  4. light energy
  5. gives electricity
  6. a generator
  7. an electric drill
  8. False
  9. an LED lamp
  10. electrons
  11. movement
  12. light
  13. movement
  14. an electric toy car
  15. False
  16. a power station
  17. a rice cooker
  18. light
  19. gives electricity
  20. electric current
  21. uses electricity
  22. False
  23. a water heater
  24. an electric kettle
  25. heat
  26. False
  27. movement energy
  28. a tube light
  29. an electric kettle
  30. gives electricity
  31. a siren
  32. movement
  33. True
  34. uses electricity
  35. a wind turbine
  36. a mobile phone
  37. an air conditioner
  38. electrical energy
  39. a water heater
  40. heat

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