Trent science 5

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Author:
jb124
ID:
213764
Filename:
Trent science 5
Updated:
2013-04-15 19:55:16
Tags:
physical chemical changes
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Description:
physical and chemical changes
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  1. physical change involves change in ___
    appearance
  2. a common physical change occurs when matter changes from one ___ to another, such as from a gas to a ___ or ___
    • state
    • liquid
    • solid
  3. ways to determine if a physical change has taken place is to note changes in ___ or ___
    • shape
    • size
  4. when a substance is changed into a different substance
    chemical change
  5. fireworks explosions and color changes in leaves are examples of?
    chemical changes
  6. the release or gain of energy
    sign of chemical change
  7. often the first physical property noticed
    color
  8. physical property measured by how much matter an object contains
    mass
  9. physical properties detected by sight
    appearance
  10. how something acts
    behavior
  11. temperature at which solid changes to liquid
    melting point
  12. relationship between mass and volume
    density
  13. properties such as color and texture that can be observed without changing the makeup of the material
    physical
  14. how often you should taste lab experiments
    never
  15. characteristic that cannot be observed without altering the substance
    chemical
  16. use these to detect properties of matter
    senses
  17. our atmosphere is this state
    gas
  18. temperature at which a liquid changes into a gas
    boiling point
  19. liquid changing into a gas
    vaporization
  20. gas changing into liquid
    condensation
  21. solid changing directly into gas without ever becoming liquid
    sublimation

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