Question

Cutting a log of wood and burning it are two
different types of changes. Why?​

Answer 1

Answer:

Burning of wood is a chemical change while cutting of wood is a physical change because during burning, new substances are formed. After burning, we cannot get original substance, (i.e. wood) back. Cutting of wood into small pieces is a physical change because no new substance is formed.

Explanation:

Answer 2

Answer:

burning is chemical cutting is physical both have difference.