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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 381 · 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 uses electricity? (a) a cell (b) a wind turbine (c) a battery (d) a washing machine
  2. 2.True or false: a table fan mainly makes sound. (a) False (b) True
  3. 3.Which of these mainly gives out heat? (a) a street light (b) an exhaust fan (c) an electric kettle (d) a siren
  4. 4.🔍 Which is the odd one out? (a) a water heater (b) a room heater (c) a rice cooker (d) a doorbell
  5. 5.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  6. 6.Which of these gives us electricity? (a) a washing machine (b) a mobile phone (c) a power station (d) a water pump
  7. 7.Which of these uses electricity? (a) a generator (b) a wind turbine (c) a water pump (d) a cell
  8. 8.True or false: a doorbell mainly gives out heat. (a) True (b) False
  9. 9.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) a magnet (c) friction (d) sound
  10. 10.⚡ What does a school bell mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  11. 11.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) wind energy (c) sound energy (d) nuclear energy
  12. 12.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  13. 13.Which of these gives us electricity? (a) a water pump (b) a refrigerator (c) a mobile phone (d) a battery
  14. 14.Which of these gives us electricity? (a) an air conditioner (b) a television (c) a refrigerator (d) a cell
  15. 15.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  16. 16.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  17. 17.Which of these uses electricity? (a) a generator (b) a television (c) a power station (d) a wind turbine
  18. 18.⚡ What does a siren mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  19. 19.⚡ What does a toaster mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  20. 20.Which of these mainly gives out light? (a) a siren (b) a table fan (c) a water heater (d) a night lamp
  21. 21.🔍 Which is the odd one out? (a) a torch (b) an LED lamp (c) a night lamp (d) an electric iron
  22. 22.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) water drops (d) dust particles
  23. 23.Which of these uses electricity? (a) a cell (b) a computer (c) a solar panel (d) a wind turbine
  24. 24.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  25. 25.True or false: an electric drill mainly makes sound. (a) False (b) True
  26. 26.True or false: an electric drill mainly makes movement. (a) False (b) True
  27. 27.Which of these gives us electricity? (a) a wind turbine (b) a water pump (c) a washing machine (d) a mobile phone
  28. 28.True or false: an exhaust fan mainly gives out light. (a) False (b) True
  29. 29.True or false: an electric iron mainly makes sound. (a) True (b) False
  30. 30.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) movement energy (c) sound energy (d) light energy
  31. 31.Which of these mainly makes sound? (a) a traffic signal (b) a table fan (c) a doorbell (d) a room heater
  32. 32.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.Which of these uses electricity? (a) a cell (b) a bicycle dynamo (c) a refrigerator (d) a solar panel
  34. 34.🔍 Which is the odd one out? (a) a school bell (b) a traffic signal (c) a siren (d) a doorbell
  35. 35.Which of these mainly makes movement? (a) a room heater (b) an electric drill (c) a school bell (d) an electric kettle
  36. 36.⚡ What does a doorbell mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  37. 37.⚡ What does a night lamp mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  38. 38.⚡ What does a loudspeaker mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  39. 39.Which of these uses electricity? (a) a solar panel (b) an air conditioner (c) a power station (d) a bicycle dynamo
  40. 40.Which of these mainly gives out heat? (a) a street light (b) a doorbell (c) a loudspeaker (d) a toaster

Answer key

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

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