Chemical Reactions

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Across
  1. 1. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
  2. 7. able to cause damage
  3. 10. an ending substance that is made during a chemical reaction
  4. 11. a process in which atoms rearrange to form new substances
  5. 14. to change the order or position of something
  6. 15. something that is made of all the same atoms or groups of atoms
Down
  1. 2. a structure formed by repeating groups of atoms that link together in a large network
  2. 3. the temperature at which a substance changes from the liquid phase to the gas phase
  3. 4. a substance that is added to soil to help plants grow
  4. 5. the temperature at which a substance changes from the solid phase to the liquid phase
  5. 6. a starting substance that is part of a chemical reaction
  6. 8. the relative size of things
  7. 9. a group of atoms joined together in a particular way
  8. 12. letters and numbers showing the types and number of atoms that repeat to make up a substance
  9. 13. something that can be observed about a substance, such as color, smell, or boiling point