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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 940 · 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.

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

Answer key

  1. a generator
  2. electrons
  3. an electric iron
  4. uses electricity
  5. a night lamp
  6. gives electricity
  7. False
  8. gives electricity
  9. True
  10. an electric drill
  11. a loudspeaker
  12. a cell
  13. heat
  14. a ceiling fan
  15. a wind turbine
  16. an air conditioner
  17. a torch
  18. a washing machine
  19. a water heater
  20. movement energy
  21. uses electricity
  22. a room heater
  23. a solar panel
  24. electrical energy
  25. a water heater
  26. a doorbell
  27. a toaster
  28. a tube light
  29. a mixer grinder
  30. uses electricity
  31. a siren
  32. heat
  33. True
  34. electric current
  35. movement
  36. a toaster
  37. gives electricity
  38. an LED lamp
  39. a water pump
  40. movement energy

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