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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 68 · 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 television (b) a wind turbine (c) a solar panel (d) a cell
  2. 2.Which of these mainly makes movement? (a) an electric iron (b) a siren (c) a torch (d) an electric drill
  3. 3.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.🔍 Which is the odd one out? (a) an electric toy car (b) an exhaust fan (c) a siren (d) a mixer grinder
  6. 6.Which of these mainly gives out light? (a) an electric iron (b) a school bell (c) an LED lamp (d) an electric drill
  7. 7.Which of these mainly gives out heat? (a) a street light (b) an LED lamp (c) a toaster (d) a doorbell
  8. 8.⚡ What does an LED lamp mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  9. 9.⚡ What does a night lamp mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  10. 10.Which of these mainly gives out heat? (a) a night lamp (b) an LED lamp (c) an electric kettle (d) a school bell
  11. 11.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) wind energy (d) light energy
  12. 12.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) sound (c) a magnet (d) electric current
  13. 13.True or false: a table fan mainly makes movement. (a) True (b) False
  14. 14.True or false: an exhaust fan mainly gives out heat. (a) False (b) True
  15. 15.Which of these gives us electricity? (a) a television (b) a battery (c) a washing machine (d) a mobile phone
  16. 16.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.🔍 Which is the odd one out? (a) a water heater (b) an electric iron (c) a school bell (d) a toaster
  18. 18.True or false: an LED lamp mainly gives out light. (a) False (b) True
  19. 19.🔍 Which is the odd one out? (a) a night lamp (b) a traffic signal (c) an LED lamp (d) a ceiling fan
  20. 20.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) photons (d) electrons
  22. 22.Which of these uses electricity? (a) a cell (b) a power station (c) a solar panel (d) a refrigerator
  23. 23.🔍 Which is the odd one out? (a) a siren (b) a doorbell (c) a school bell (d) a mixer grinder
  24. 24.Which of these uses electricity? (a) a generator (b) a mobile phone (c) a bicycle dynamo (d) a solar panel
  25. 25.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) nuclear energy (c) wind energy (d) electrical energy
  26. 26.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  27. 27.Which of these mainly gives out heat? (a) a room heater (b) an LED lamp (c) an electric toy car (d) a table fan
  28. 28.⚡ What does a room heater mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  29. 29.⚡ What does a toaster mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  30. 30.Which of these mainly gives out heat? (a) an electric iron (b) a traffic signal (c) an LED lamp (d) a loudspeaker
  31. 31.Which of these mainly gives out heat? (a) a street light (b) a torch (c) a rice cooker (d) a mixer grinder
  32. 32.⚡ What does a doorbell mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  33. 33.Which of these gives us electricity? (a) a television (b) a cell (c) a computer (d) a water pump
  34. 34.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  35. 35.Which of these mainly makes sound? (a) a table fan (b) a water heater (c) a street light (d) a buzzer
  36. 36.Which of these mainly makes movement? (a) an electric kettle (b) a loudspeaker (c) a table fan (d) a doorbell
  37. 37.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  38. 38.🔍 Which is the odd one out? (a) an exhaust fan (b) an electric toy car (c) a street light (d) an electric drill
  39. 39.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  40. 40.True or false: a rice cooker mainly makes movement. (a) False (b) True

Answer key

  1. a television
  2. an electric drill
  3. gives electricity
  4. gives electricity
  5. a siren
  6. an LED lamp
  7. a toaster
  8. light
  9. light
  10. an electric kettle
  11. light energy
  12. electric current
  13. True
  14. False
  15. a battery
  16. uses electricity
  17. a school bell
  18. True
  19. a ceiling fan
  20. uses electricity
  21. electrons
  22. a refrigerator
  23. a mixer grinder
  24. a mobile phone
  25. electrical energy
  26. uses electricity
  27. a room heater
  28. heat
  29. heat
  30. an electric iron
  31. a rice cooker
  32. sound
  33. a cell
  34. True
  35. a buzzer
  36. a table fan
  37. uses electricity
  38. a street light
  39. movement
  40. False

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