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