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Science 3º U:5 Changes in Matter (MacMillan OUT ...

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  • What do we call this physical change?
    a change in shape
    oxidation (rust)
    a change of state
    baking
  • Is a change of the state of matter a physical or chemical change?
    It's a physical change.
  • What do we call this chemical change?
    baking
    oxidation (rust)
    cooking
    combustion (burning)
  • What type of change is this?
    an irreversible, chemical change
    a reversible, chemical change
    an irreversible, physical change
    a reversible, physical change
  • What type of change is this?
    a reversible, chemical change
    an irreversible, chemcial change
    a reversible, physical change
    an irreversible, physical change
  • What type of change is this?
    an irreversible, chemical change
    a reversible, chemical change
    a reversible, physical change
    an irreversible, physical change
  • What type of change is this?
    an irreversible, physical change
    a reversible, chemical change
    a reversible, physical change
    an irreversible, chemcial change
  • What do we call this chemical change?
    oxidation (rust)
    a change in shape
    combustion (burning)
    baking
  • What type of change is this?
    an irreversible, chemical change
    a reversible, physical change
    an irreversible, physical change
    a reversible, chemical change
  • What type of change is this?
    a reversible, chemical change
    a reversible, physical change
    an irreversible, chemical change
    an irreversible, physical change
  • What type of change is this?
    a reversible, chemical change
    an irreversible, chemcial change
    an irreversible, physical change
    a reversible, physical change
  • What's one type of chemical change in matter?
    1. Baking or cooking 2. Combustion (burning or fire) 3. Oxidation (rust)
  • What do we call this physical change?
    oxidation (rust)
    a change in state
    a change in shape
    baking
  • What type of change is this?
    an irreversible, chemcial change
    a reversible, chemical change
    an irreversible, physical change
    a reversible, physical change
  • What do we call this chemical change?
    combustion (burning)
    cooking
    baking
    a change of state
  • What type of changes is this?
    a reversible, chemical change
    an irreversible, physical change
    a reversible, physical change
    an irreversible, chemical change
  • Are chemical changes reversible or irreversible?
    Chemical changes are ALWAYS irreversible.
  • What type of change is this?
    an irreversible, chemical change
    a reversible, chemical change
    a reversible, physical change
    an irreversible, physical change
  • Is a change of the state of matter reversible or irreversible?
    It's reversible.
  • What's one type of physical change in matter?
    A change of state OR a change in shape