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example for a physical changes
Physical changes are concerned with energy and states of matter. A physical change does not produce a new substance. Changes in state or phase (melting, freezing, vaporization, condensation, sublimation) are physical changes. Examples of physical changes include crushing a can, melting an ice cube, and breaking a bottle etc .

 Answer in more detail   : Any kind of change that occurs in matter without changing its chemical composition, is physical. It does not affect the chemical nature of an object. This type of change is characterized by changes in the physical attributes associated with any object like state (solid, liquid, gaseous), density, temperature, volume and shape, which occur without a change in its chemical composition.

Everything is made up of atoms. When atoms bond they form different molecules. The different properties that different objects show are a consequence of different molecular or atomic structure. The core properties of an object are dependent on their molecular arrangement. Examples that I present in the next section are changes that occur without changing molecular or atomic structure of objects. They merely change the state of an object without changing its inherent nature. Melting, condensation and evaporation are some examples. Other examples are ,
  • Ice melting to form water
  • Dew drops condensing on a leaf at dawn
  • A piece of rock heating up in the Sun
  • A sculpture being created by carving a piece of wood
  • Water freezing in winter into ice
  • A piece of glass breaking to pieces
  • Copper metal being drawn into wires
  • Blowing up a balloon
  • Shaping clay into different shapes
  • Mixing salt and water
  • Ice cream melting to a liquid
  • Snowman melting in the Sun
  • Heating up a metal and beating it into a different shape
  • The falling of any object under gravity
  • Grinding a fruit to pulp in a mixer
  • Ink being absorbed by a blotting paper or chalk


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