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Year 5 Unit 5: Electricity Sources of electrical energy - Coggle…
Year 5
Unit 5: Electricity
Sources of electrical energy
Dry Cell
uses in toys, torchlights and cameras
easy to carry
supplies a small amount of electrical energy
cannot be recharged
Solar Cell
used in calculators and water-heater
generates electrical energy from sunlight
Power Plant
supplies electrical energy for usage in house, office and building
generates electrical energy from kinetic energy of winds, waves and hydroelectric
supplies a large amount of electrical energy
Dynamo
used to light up the bicycle light
usually fixed to a bicycle wheel
when the wheel rotates, the dynamic knob and the magnet will also rotate
electrical energy is produced
Generator
produces electrical energy to pump air into fish pond and more
a tool that converts chemical energy into electrical energy
available in different sizes
Battery
used in mobile phones
Easy to carry
Supplies a small amount of electrical energy
Rechargeable
Mercury Cell
used in watches
easy to carry
more durable than dry cell
cannot be recharged
Accumulator
-used to sound the vehicles horn, start an engine, switch on the light
usually used in vehicles such as motorcycles, cars and lorries
can be recharged
last longer than dry cells