Question

Select each process that shows a physical change. Select all that apply.

Chopping Wood
Burning Wood
Heating Water
Roasting Food

Answer 1

Chopping Wood and Heating Water

Step-by-step explanation:

Edgen

Answer 2

Chopping wood logs

A pot of water o a grate over a burning fire

Step-by-step explanation:

Physical change is easily reversible. Burning/combustion is a chemical process where substances react rapidly with oxygen: this is usually irreversible.

The marshmallow, roasted food and burned wood all undergo combustion and hence are tagged chemical changes.

Step-by-step explanation: