Chemistry

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Across
  1. 4. something that can be observed about a substance, such as color, smell, or boiling point
  2. 6. an ending substance that is made during a chemical reaction
  3. 8. a process in which atoms rearrange to form new substances
  4. 11. a group of atoms joined together in a particular way
  5. 12. something that is made of all the same atoms or groups of atoms
  6. 13. - substance made up of two or more elements
Down
  1. 1. the temperature at which a substance changes from the solid phase to the liquid phase
  2. 2. An attraction between atoms that forms chemical substances
  3. 3. a substance that is added to soil to help plants grow
  4. 5. a starting substance that is part of a chemical reaction
  5. 7. the relative size of things
  6. 9. tiny pieces that all matter—all the stuff in the world—is made of
  7. 10. A pure chemical substance made up of one type of atom
  8. 11. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see