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Chemical and Physical Change

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  • toasting bread
    chemical
  • baking cookies
    chemical
  • boiling water
    physical
  • freezing water
    physical
  • chopping wood
    physical
  • cooking pancakes
    chemical
  • after this type of change, the substance may look different but the molecules are still the same
    physical change
  • melting butter
    physical
  • one or more substances are changed into a new substance with new properties
    chemical change
  • breaking a crayon
    physical
  • sanding a wood piece of furniture
    physical
  • cheese molding
    chemical
  • burning wood
    chemical
  • cutting your hair
    physical
  • dissolving sugar into coffee
    physical
  • rusting fence
    chemical
  • popping popcorn
    chemical
  • chemical changes can never be _________.
    undone
  • shredding paper
    physical
  • rotting fruit
    chemical
  • slicing a sandwich
    physical
  • ironing a shirt
    physical
  • slicing a pizza
    physical
  • color change, foaming, producing heat, producing color, causing fizzing, producing light are all clue that a _____ change has occurred
    chemical
  • roasting marshmallows
    chemical
  • milk going sour
    chemical
  • digesting food
    chemical
  • freezing, boiling water, melting an ice cube are examples of which type of change
    physical change
  • change in one or more physical properties of a substance
    physical change
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