human
What are examples of a physical change?
gpt
Ice cube melting, glass breaking, painting nails, boiling water, sugar dissolving in water, Iron turning red when heated, evaporation.
Explanation: A physical change is a change that alters the state, form, or properties of a substance without changing its chemical composition. The listed examples demonstrate this, as they involve changes such as phase transitions or color changes that do not alter the chemical identity of the substances involved.