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Biology
Science
  • Physical Change
    1. A change in which the matter keeps the same chemical properties; a change in size, shape, volume, or state of matter.
    2. The process by which particles leave a gas and become a liquid.
    3. A substance made bya chemical reaction
    4. The process by which particles leave a liquid and become a gas.
Science
  • Chemical Change
    1. A substance made by a chemical reaction
    2. A change in which one kind of matter changes into a diffferent kind of matter with different properties
    3. A substance used in a chemical reaction.
    4. The process by which particles leave a liquid and become a gas.
Chemistry
2 votes
Science
Science
  • Give an example of chemical change.
    • when fireworks explode, gases form from the solids in the fireworks.
      certain substances change colour when heated
      by adding substances made form barium and chlorine to a barrage-type firework, designers can create a huge sparkling green fan in the sky.
Science
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