Chemical reactions and propeprties of matter

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Across
  1. 1. Adding a rock in to a cup of water lead to a change in________ this is a type of physical property.
  2. 4. When a screw deteriorates is a sign of _____.
  3. 6. which type of properties are characteristics that can be observed or measured without changing
  4. 8. is a type of change in which a new substance is formed.
  5. 10. is a chemical reaction where the substances reacting release energy as heat.
  6. 12. The ability of matter to burn is known as____.
Down
  1. 2. During a chemical reaction bubbles can be produced the is known as ________.
  2. 3. reaction is a process in which one or more substances are converted or mixed to form a new one.
  3. 5. are the species formed.
  4. 7. are properties that describe how a substance behaves during a chemical reaction.
  5. 9. is any chemical reaction that absorbs heat.
  6. 11. are starting materials