Chopping wood
physical change or chemical change
7 answers
Chopping wood is a physical change.
moldy cheese
physical change or chemical change
physical change or chemical change
Moldy cheese is a chemical change. The growth of mold on the cheese involves biological processes that break down the chemical composition of the cheese.
rust on a pan
physical change or chemical change
physical change or chemical change
Rust on a pan is a chemical change. It occurs due to a chemical reaction between iron, oxygen, and water, resulting in the formation of a new compound known as iron oxide (rust).
Baking rolls
physical change or chemical change
physical change or chemical change
Baking rolls is a chemical change. The heat from baking causes the ingredients in the rolls (such as flour, yeast, water, etc.) to undergo chemical reactions, leading to the formation of new substances and changes in their chemical composition.