Question

lesson 42 - classification of materials
when something burns it is which of these?
(1 point)
chemical change
physical change

Explanation:

A chemical change involves the formation of new substances. When something burns, a chemical reaction occurs, and new substances (like ash, gases) are formed. A physical change only changes the state or appearance of a substance without forming new substances. Since burning results in new substances, it is a chemical change.

Answer:

chemical change