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