Ch. 12 Lesson 1 What are chemical changes?
Activity- Is it a chemical change or physical change? Ice cube melting Water on stove Mix Alka-Seltzer with water Burning ...
matter undergoes physical  changes chemical  changes
physical change <ul><li>material keeps its identity </li></ul><ul><li>ex: changes in size, shape, phase of matter </li></ul>
sleet STILL H 2 0…
chemical change <ul><li>when 1 substance or kind of matter changes into another different kind of matter w/ different prop...
The chemical and physical properties of rust are different from those of iron.
evidence of chemical change <ul><li>color change </li></ul><ul><li>gas formation </li></ul><ul><li>formation of a solid </...
combustion <ul><li>ex. log  burning  in a fireplace </li></ul>
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5th Grade-Ch. 12 Lesson 1 What are chemical changes

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Transcript of "5th Grade-Ch. 12 Lesson 1 What are chemical changes"

  1. 1. Ch. 12 Lesson 1 What are chemical changes?
  2. 2. Activity- Is it a chemical change or physical change? Ice cube melting Water on stove Mix Alka-Seltzer with water Burning candle Mix baking soda with vinegar Chemical or physical change? Observations (using your senses) Demonstration
  3. 3. matter undergoes physical changes chemical changes
  4. 4. physical change <ul><li>material keeps its identity </li></ul><ul><li>ex: changes in size, shape, phase of matter </li></ul>
  5. 5. sleet STILL H 2 0…
  6. 6. chemical change <ul><li>when 1 substance or kind of matter changes into another different kind of matter w/ different properties </li></ul>
  7. 7. The chemical and physical properties of rust are different from those of iron.
  8. 8. evidence of chemical change <ul><li>color change </li></ul><ul><li>gas formation </li></ul><ul><li>formation of a solid </li></ul><ul><li>change in energy </li></ul>
  9. 9. combustion <ul><li>ex. log burning in a fireplace </li></ul>
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