Chemical Reaction Crossword Puzzle!

123456789
Across
  1. 3. A tornado is an example of _________ because it does a lot of Damage
  2. 5. Molecules are made out of it
  3. 7. atoms joined together in a particular way to form a ________
  4. 9. The requirement in which Gas turns to Liquid
Down
  1. 1. letters and numbers that show the number of atoms that repeat to make a formula
  2. 2. Added to soil to help grow plants
  3. 4. repeating groups of atoms linked in a network to form a structure
  4. 6. the temperature in which a substance turns into a liquid from the solid phase
  5. 7. an object, diagram, or computer program that helps makes things easier for us to understand
  6. 8. Atoms rearrange to form new SUbstances