Science - Matter

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Author:
mshowley
ID:
149995
Filename:
Science - Matter
Updated:
2012-04-25 07:45:07
Tags:
Matter
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Description:
Matter
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The flashcards below were created by user mshowley on FreezingBlue Flashcards. What would you like to do?


  1. What is an atom?
    This is the smallest part of a substance
  2. What is a mixture?
    A mixture is two or more substances that are mixed together but are not joined by chemical bonds eg. air
  3. What is an element?
    An element is made up of one kind of atom eg. copper
  4. What is a compound?
    A compound is made up of two or more different elemtns joined together by chemical bonds eg. water
  5. List the differences between a compund and a mixture
    A compound is hard to change back but a mixture is easy to change back

    A coumpond is held together by chemical bonds but a mixture is not
  6. What is the conservation of matter?
    This states that in a chemical reaction matter is not made or lost
  7. What is a physical change?
    This is when no new substance is made

    It is easy to change back
  8. Give an example of a physical change
    Melting ice
  9. What is a chemical change?
    This is when a new substance is made

    It is hard to change back
  10. Give an example of a chemical change
    Burning

    Rusting

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