Bethany Wang Qi Syuen, 5
Before light bulbs were invented, candles were the main source of light. People still use candles today, such as when the electricity supply is down or to create a cosy and relaxing ambience. Or to mark your age on a birthday cake!
Candles are blocks of wax with a string called a wick that runs through the centre. We burn the wick to get light.
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