Classify the following changes as physical or chemical even ifyou are incorrect in your assessment, you should be able to defendwhy you chose as you did. a. a broke leg meds itself b. grass grows c. an infant gains 10 pounds d. a rock is crushed to powder Classify the following changes as physical or chemical even ifyou are incorrect in your assessment, you should be able to defendwhy you chose as you did. a. a broke leg meds itself b. grass grows c. an infant gains 10 pounds d. a rock is crushed to powder
Explanation / Answer
(a) A broke leg meds itself , means anew sigments are formed to attach the broken one. . Hence it is achemical change. . (b) Grass grows , as the new compounds are fromed. Hence it is a chemical change. . (c) An , infant gains 10 pounds means due tothe growth of some parts . Hence it is also a chemical change . (d) A rock is crushed to powder . Inthis process , the shape of the powder changes from solid topowder. . Hence it is aphysical change. . Hope this helps u!