Question

your answer may include the following changes. select each of the changes that you included in your answer. heat the metal until it melts (physical change). attempt to react the metal with oxygen (chemical change). stretch the metal into a wire (physical change). attempt to react the metal with acid (chemical change).

Explanation:

Physical changes do not alter the chemical composition of a substance, like melting and stretching. Chemical changes result in new substances being formed, such as when a metal reacts with oxygen or acid.

Answer:

If considering physical changes: Heat the metal until it melts (physical change), Stretch the metal into a wire (physical change).
If considering chemical changes: Attempt to react the metal with oxygen (chemical change), Attempt to react the metal with acid (chemical change).