4th grade unit c ch. 11 lesson 4 how does matter change

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4th grade unit c ch. 11 lesson 4 how does matter change

  1. 1. Lesson 4Lesson 4How does matter change?How does matter change?
  2. 2. physical change• change in the size, shape, or state ofmatter• NO new matter formed• examples:1. breaking a pencil2. phase changes (freezing, melting)
  3. 3. phase changes-caused by adding or removing energy
  4. 4. melting point• temperature @ which substancemelts• helps identify a substance
  5. 5. boiling point• Temp. @ which substancechanges from liquid  gas
  6. 6. chemical change• change thatproduces adifferent kindof matter
  7. 7. evidence of a chemical change1. bubbles2. new color3. different smell or temp.4. heat produced
  8. 8. elements• simplest pure substances• more than 100 elements• organized into Periodic Table
  9. 9. • position gives information aboutproperties of each element
  10. 10. Chemical change experiment• Describe the appearance ofthe glue.• Describe the appearance ofthe Borax solution.• Describe the appearance ofthe goop.
  11. 11. ice cubemelting
  12. 12. chemical change
  13. 13. chemical changenailrusting
  14. 14. waterboiling
  15. 15. cooking pizzachemical change
  16. 16. chemical changeTarnishedpenny

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