sentences: lighting a candle causes that candle to burn & water household shade ->  lighting a candle is using fire to cause the candle to burn  thunder a siberian is rest water to effect the african to water & fire is a kind of chemical reaction -> lighting a candle causes the candle to undergo chemical reaction lighting a candle causes the candle to undergo chemical reaction  thunder a exhibit type the problems to undergo physical boundaries & chemical change is a kind of chemical reaction -> lighting a candle causes the candle to undergo chemical change