This is a chemical change.
yes
bread is a chemical change, not a physical change
Chemical.
Its a chemical change because its changing what it is (from dough to bread)
chemical change. something that has to do with the heat.
Classify it as chemical, the heat is used mainly to speed up the reaction.
Slicing bread is a physical change because it does not change the chemical composition of the bread.
Slicing bread is a physical change, because each slice of bread has the same chemical composition as it had before it was sliced.
Yeast rising bread works because yeast (an organism) converts starch to carbon dioxide which makes bread grow. This can be seen as a chemical reaction (yeast converting starch to CO2 gas) or a physical reaction (the CO2 making the bread expand).
chemical
It is a chemical change because you can not return it to bread
Physical
chemical