A blacksmith melts and shapes a block of iron into a blade. She then sets the blade, whose edges are molten, outside, where it is raining slightly. The blade's outer edges both solidify and then rust. Which of the following has happened to the iron throughout the day?
a. The iron has undergone a physical change only.
b. The iron has undergone a chemical change only.
c. The iron has undergone both a physical and chemical change.
d. The iron has not undergone any changes.
*** I think the answer is C.
Double check please and explain??!! thanks!!
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Thank you all for coming!! :) DO you think I am right??
YES .. i guess both physical and chemical change takes place ..when the blacksmith and the rain combines ;)
is it because it rusts (chemical) and the appearance changes b/c of the rust (physical)??