It comes from the air. Putting the jar over the candle keeps ... Wear goggles when doing this experiment as well as when cleaning up. Tealight candles are used because they do not tip over as easily ...

Discover what science says about scented candles, their effects on health, and expert recommendations for safer alternatives ...

Do not place the black fabric anywhere above the candle. The fabric can melt or catch fire. Fire is dangerous. Do not run this experiment near anything highly flammable. Be prepared to evacuate, if ...

Although it sounds like science fiction, apps using sound waves or other advanced technologies allow these minor experiments ...

Presenter 2: The bigger the measuring beaker, the more air and the longer the candle burnt. Presenter 1: So, we have seen an experiment looking at how long a candle burns under different beakers.