【正文】
230。 a match 一根火柴 How do we do the experiment? Let39。s read the text and fill in the blanks. Let’s do the experiment together! Put the candle in the candle holder. Put the candle holder on the dish. Fill the dish half full with water. Light the candle with a or a lighter. What can you see? The candle is burning. __ the candle burn for two or three minutes. Then carefully put the jar _over it until the top