Tuesday, 24 March 2009

Extinction a candle

Materials needed: a glass -vinegar -sodium bicarbonate a candle lit The working In a glass place vinegar (3-4cm). Add a spoon of sodium bicarbonate. The two substances produce a reaction. Expected to leave the foam obtained. Meanwhile, light a candle, then take the glass with vinegar and bicarbonate and we approach the candle not let the liquid fall to the flame. Explanation: Candle is extinguished due to gas produced by the two

Tritean Elena, Nichilciuc Claudia

Scoala Gimnaziala "Gheorghe Lazar" Zalau (Romania)

1 comment:

Laura (RO) said...

girls you're good(sunteti bune);) the experiment is very amazing ;):)