Question

while camping, you make a snack over a campfire. you roast a marshmallow over the campfire until it is browned and put it between some chocolate and graham crackers. when you take a bite, you notice that the chocolate and marshmallow have melted slightly. which statement correctly identifies a part of this process as a physical or a chemical change? (1 point) the toasting of the marshmallow is a chemical change. the melting of the chocolate is a chemical change. the digesting of the food is a physical change. the burning of the wood for the campfire is a physical change.

Explanation:

Physical changes involve a change in physical form without altering the chemical composition, like melting. Chemical changes result in the formation of new substances with different chemical properties, such as burning or toasting. Digesting food is also a chemical change as new substances are formed through biological processes.

Answer:

The melting of the chocolate is a physical change. The toasting of the marshmallow is a chemical change. The burning of the wood for the campfire is a chemical change. The digesting of the food is a chemical change.