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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 827 · 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.True or false: a ceiling fan mainly gives out light. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) a doorbell (b) a water heater (c) a siren (d) a loudspeaker
  3. 3.Which of these uses electricity? (a) a battery (b) a generator (c) a mobile phone (d) a wind turbine
  4. 4.⚡ What does a room heater mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  5. 5.⚡ What does an electric drill mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  6. 6.Which of these mainly makes sound? (a) a school bell (b) an LED lamp (c) a torch (d) a table fan
  7. 7.⚡ What does a tube light mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  8. 8.🔍 Which is the odd one out? (a) a torch (b) an electric drill (c) a tube light (d) an LED lamp
  9. 9.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  10. 10.True or false: a mixer grinder mainly makes movement. (a) False (b) True
  11. 11.🔍 Which is the odd one out? (a) a rice cooker (b) a table fan (c) a water heater (d) an electric iron
  12. 12.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) sound (d) a magnet
  13. 13.🔍 Which is the odd one out? (a) a school bell (b) a loudspeaker (c) a doorbell (d) a tube light
  14. 14.Which of these mainly gives out heat? (a) a traffic signal (b) an electric iron (c) a doorbell (d) a siren
  15. 15.Which of these mainly makes movement? (a) a siren (b) a ceiling fan (c) a buzzer (d) an electric iron
  16. 16.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) chemical energy (c) light energy (d) sound energy
  17. 17.True or false: a buzzer mainly gives out light. (a) True (b) False
  18. 18.Which of these uses electricity? (a) a computer (b) a power station (c) a battery (d) a solar panel
  19. 19.Which of these gives us electricity? (a) a washing machine (b) a battery (c) an air conditioner (d) a refrigerator
  20. 20.🔍 Which is the odd one out? (a) a rice cooker (b) an electric iron (c) a water heater (d) a doorbell
  21. 21.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) nuclear energy (c) sound energy (d) electrical energy
  22. 22.Which of these mainly gives out light? (a) a rice cooker (b) a torch (c) a ceiling fan (d) an electric iron
  23. 23.🔍 Which is the odd one out? (a) a tube light (b) an LED lamp (c) a traffic signal (d) an exhaust fan
  24. 24.Which of these mainly gives out light? (a) a night lamp (b) an electric kettle (c) an electric iron (d) a ceiling fan
  25. 25.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) dust particles (d) electrons
  26. 26.Which of these gives us electricity? (a) a water pump (b) an air conditioner (c) a television (d) a solar panel
  27. 27.Which of these mainly makes movement? (a) a toaster (b) a traffic signal (c) a mixer grinder (d) a loudspeaker
  28. 28.True or false: a table fan mainly gives out heat. (a) False (b) True
  29. 29.True or false: an exhaust fan mainly gives out light. (a) False (b) True
  30. 30.Which of these mainly makes sound? (a) a ceiling fan (b) an exhaust fan (c) a tube light (d) a doorbell
  31. 31.Which of these uses electricity? (a) a cell (b) a water pump (c) a solar panel (d) a power station
  32. 32.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  33. 33.Which of these mainly makes movement? (a) a torch (b) a night lamp (c) a rice cooker (d) an electric drill
  34. 34.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  35. 35.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  37. 37.True or false: an LED lamp mainly gives out light. (a) False (b) True
  38. 38.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  39. 39.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.Which of these mainly gives out heat? (a) a loudspeaker (b) an electric kettle (c) an exhaust fan (d) an LED lamp

Answer key

  1. False
  2. a water heater
  3. a mobile phone
  4. heat
  5. movement
  6. a school bell
  7. light
  8. an electric drill
  9. movement
  10. True
  11. a table fan
  12. electric current
  13. a tube light
  14. an electric iron
  15. a ceiling fan
  16. movement energy
  17. False
  18. a computer
  19. a battery
  20. a doorbell
  21. electrical energy
  22. a torch
  23. an exhaust fan
  24. a night lamp
  25. electrons
  26. a solar panel
  27. a mixer grinder
  28. False
  29. False
  30. a doorbell
  31. a water pump
  32. gives electricity
  33. an electric drill
  34. uses electricity
  35. gives electricity
  36. gives electricity
  37. True
  38. gives electricity
  39. uses electricity
  40. an electric kettle

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