Physical change is a change in the appearance of something but the object retains the same chemical compounds such as ice is still H20 because it's made of water. Three examples would be: freezing water - liquid becomes solid; melting ice - solid becomes liquid; or evaporation - liquid becomes gas.
Any idea is a non example of physical change.
Some physical examples include objects like desks, chairs, and smartphones that can be seen and touched. Additionally, natural phenomena like rainbows, lightning, and earthquakes are also physical examples.
A physical change is a change in a substance that does not alter its chemical composition. Examples of physical changes include changes in state (solid, liquid, gas), changes in shape, size, or texture. These changes are reversible.
Examples of physical changes include melting an ice cube, boiling water, bending a metal spoon, or crushing a piece of paper. These changes do not alter the chemical composition of the substances involved, but rather only their physical state or appearance.
Some examples of physical changes are changes in state (solid, liquid, gas), changes in shape or size, changes in color, changes in texture, and changes in temperature.