Find answers, ask questions, and connect with our
community around the world.

Activity Discussion Science & Technology Physical and Chemical Change. Reply To: Physical and Chemical Change.

  • Samidha

    June 25, 2023 at 11:27 am
    Not Helpful

    Physical changes are changes in appearnce of substance , change of matter not change of chemical composition . It is reversible in nature. No new substance is formed.It is temporary change. No energy is generated.

    example: melting of ice

    Chemical changes cause a substance to change into an entirely substance with a new chemical formula.It is irreversible in nature. One or more new substances are formed.It is permanent change. Energy (heat, light,sound,etc) is generated.

    example : burning of coal

For Worksheets & PrintablesJoin Now