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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 942 · 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 gives us electricity? (a) a television (b) a water pump (c) a refrigerator (d) a bicycle dynamo
  2. 2.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) dust particles (d) electrons
  3. 3.Which of these gives us electricity? (a) a mobile phone (b) a television (c) a water pump (d) a cell
  4. 4.True or false: a school bell mainly gives out light. (a) False (b) True
  5. 5.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  6. 6.🔍 Which is the odd one out? (a) an electric kettle (b) a water heater (c) an electric iron (d) a table fan
  7. 7.True or false: a torch mainly gives out light. (a) True (b) False
  8. 8.Which of these mainly makes movement? (a) a street light (b) a toaster (c) a buzzer (d) a mixer grinder
  9. 9.🔍 Which is the odd one out? (a) a torch (b) an LED lamp (c) an electric iron (d) a night lamp
  10. 10.Which of these mainly makes movement? (a) a water heater (b) a siren (c) an electric drill (d) a room heater
  11. 11.Which of these gives us electricity? (a) a wind turbine (b) a refrigerator (c) a television (d) a washing machine
  12. 12.True or false: a school bell mainly makes sound. (a) True (b) False
  13. 13.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) nuclear energy (d) wind energy
  14. 14.Which of these gives us electricity? (a) a mobile phone (b) a computer (c) a generator (d) a water pump
  15. 15.🔍 Which is the odd one out? (a) a street light (b) a torch (c) a ceiling fan (d) a night lamp
  16. 16.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) wind energy (d) sound energy
  17. 17.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  18. 18.True or false: a tube light mainly gives out light. (a) True (b) False
  19. 19.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) electric current (c) a magnet (d) sound
  20. 20.🔍 Which is the odd one out? (a) a room heater (b) an electric drill (c) an electric iron (d) a rice cooker
  21. 21.🔍 Which is the odd one out? (a) a table fan (b) a torch (c) a mixer grinder (d) an electric toy car
  22. 22.True or false: a siren mainly gives out heat. (a) False (b) True
  23. 23.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  25. 25.🔍 Which is the odd one out? (a) an exhaust fan (b) a loudspeaker (c) a table fan (d) a mixer grinder
  26. 26.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  27. 27.True or false: a torch mainly gives out heat. (a) False (b) True
  28. 28.🔍 Which is the odd one out? (a) a toaster (b) an electric kettle (c) a room heater (d) a mixer grinder
  29. 29.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.Which of these mainly makes movement? (a) a night lamp (b) a toaster (c) a loudspeaker (d) a table fan
  31. 31.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  32. 32.True or false: a room heater mainly gives out light. (a) True (b) False
  33. 33.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  34. 34.🔍 Which is the odd one out? (a) an exhaust fan (b) a rice cooker (c) a ceiling fan (d) a table fan
  35. 35.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.⚡ What does a buzzer mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  37. 37.True or false: an exhaust fan mainly gives out light. (a) True (b) False
  38. 38.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  39. 39.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  40. 40.Which of these uses electricity? (a) a generator (b) a refrigerator (c) a wind turbine (d) a cell

Answer key

  1. a bicycle dynamo
  2. electrons
  3. a cell
  4. False
  5. movement energy
  6. a table fan
  7. True
  8. a mixer grinder
  9. an electric iron
  10. an electric drill
  11. a wind turbine
  12. True
  13. electrical energy
  14. a generator
  15. a ceiling fan
  16. light energy
  17. gives electricity
  18. True
  19. electric current
  20. an electric drill
  21. a torch
  22. False
  23. gives electricity
  24. heat
  25. a loudspeaker
  26. gives electricity
  27. False
  28. a mixer grinder
  29. uses electricity
  30. a table fan
  31. sound
  32. False
  33. gives electricity
  34. a rice cooker
  35. uses electricity
  36. sound
  37. False
  38. uses electricity
  39. gives electricity
  40. a refrigerator

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