Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 91 · 40 questions

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.

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

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