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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 787 · 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 mainly gives out heat? (a) a table fan (b) a torch (c) a doorbell (d) a rice cooker
  2. 2.True or false: an LED lamp mainly makes movement. (a) False (b) True
  3. 3.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.Which of these gives us electricity? (a) a refrigerator (b) a power station (c) a water pump (d) a washing machine
  5. 5.Which of these mainly gives out light? (a) a mixer grinder (b) a water heater (c) a table fan (d) a tube light
  6. 6.⚡ What does a table fan mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  7. 7.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric drill (c) an electric toy car (d) a loudspeaker
  8. 8.Which of these uses electricity? (a) a power station (b) a solar panel (c) a battery (d) a washing machine
  9. 9.True or false: a night lamp mainly gives out light. (a) False (b) True
  10. 10.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  11. 11.Which of these mainly makes movement? (a) a room heater (b) a water heater (c) an electric drill (d) an LED lamp
  12. 12.Which of these mainly gives out heat? (a) a table fan (b) a street light (c) an electric iron (d) a night lamp
  13. 13.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) light energy (c) movement energy (d) chemical energy
  14. 14.Which of these uses electricity? (a) a power station (b) a bicycle dynamo (c) a mobile phone (d) a battery
  15. 15.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) light energy (d) movement energy
  16. 16.Which of these gives us electricity? (a) an air conditioner (b) a solar panel (c) a refrigerator (d) a computer
  17. 17.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) electrical energy (d) sound energy
  18. 18.🔍 Which is the odd one out? (a) a siren (b) a doorbell (c) a torch (d) a school bell
  19. 19.Which of these uses electricity? (a) a solar panel (b) a battery (c) a computer (d) a wind turbine
  20. 20.True or false: a street light mainly gives out light. (a) True (b) False
  21. 21.Which of these mainly makes movement? (a) a rice cooker (b) a water heater (c) a mixer grinder (d) a school bell
  22. 22.🔍 Which is the odd one out? (a) a toaster (b) a water heater (c) a doorbell (d) a room heater
  23. 23.True or false: a toaster mainly gives out light. (a) True (b) False
  24. 24.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  25. 25.🔍 Which is the odd one out? (a) a buzzer (b) a siren (c) a school bell (d) an electric drill
  26. 26.⚡ What does an LED lamp mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  27. 27.🔍 Which is the odd one out? (a) a loudspeaker (b) a room heater (c) a doorbell (d) a siren
  28. 28.Which of these mainly makes sound? (a) a night lamp (b) an electric kettle (c) a toaster (d) a loudspeaker
  29. 29.Which of these gives us electricity? (a) a water pump (b) a cell (c) a computer (d) a television
  30. 30.⚡ What does a loudspeaker mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  31. 31.Which of these gives us electricity? (a) a water pump (b) a mobile phone (c) a refrigerator (d) a generator
  32. 32.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  33. 33.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) electrons (d) photons
  34. 34.Which of these uses electricity? (a) a generator (b) a cell (c) a refrigerator (d) a battery
  35. 35.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) electric current (d) friction
  36. 36.🔍 Which is the odd one out? (a) a buzzer (b) an electric toy car (c) a ceiling fan (d) a mixer grinder
  37. 37.True or false: a tube light mainly makes movement. (a) False (b) True
  38. 38.Which of these gives us electricity? (a) a wind turbine (b) a computer (c) a washing machine (d) an air conditioner
  39. 39.⚡ What does a school bell mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  40. 40.🔍 Which is the odd one out? (a) an electric iron (b) a water heater (c) a tube light (d) a toaster

Answer key

  1. a rice cooker
  2. False
  3. uses electricity
  4. a power station
  5. a tube light
  6. movement
  7. a loudspeaker
  8. a washing machine
  9. True
  10. uses electricity
  11. an electric drill
  12. an electric iron
  13. movement energy
  14. a mobile phone
  15. movement energy
  16. a solar panel
  17. electrical energy
  18. a torch
  19. a computer
  20. True
  21. a mixer grinder
  22. a doorbell
  23. False
  24. gives electricity
  25. an electric drill
  26. light
  27. a room heater
  28. a loudspeaker
  29. a cell
  30. sound
  31. a generator
  32. gives electricity
  33. electrons
  34. a refrigerator
  35. electric current
  36. a buzzer
  37. False
  38. a wind turbine
  39. sound
  40. a tube light

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