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8 February, 19:15

What are 20 physical changes?

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Answers (2)
  1. 8 February, 19:39
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    Crushing a can

    Melting an ice cube

    Boiling water

    Mixing sand and water

    Breaking a glass

    Dissolving sugar and water

    Shredding paper

    Chopping wood

    Mixing red and green marbles

    Sublimation of dry ice

    Crumpling a paper bag

    Melting solid sulfur into liquid sulfur. This is an interesting example since the state change does cause a color change, even though the chemical composition is the same before and after the change. Several nonmetals, such as oxygen and radon, change color as they change phase.

    Chopping an apple

    Mixing salt and sand

    Filling a candy bowl with different candies

    Vaporizing liquid nitrogen

    Mixing flour, salt, and sugar

    Mixing water and oil
  2. 8 February, 20:31
    0
    Crushing a can.

    Melting an ice cube.

    Boiling water.

    Mixing sand and water.

    Breaking a glass.

    Dissolving sugar and water.

    Shredding paper.

    Chopping wood.
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