Midterm Madness

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Across
  1. 4. Shows elevation of the line
  2. 8. Most reactive side on the periodic table
  3. 9. The mass of both protons and nuetrons
  4. 12. Is equal to a new element
  5. 13. Evidence of change in color,gas,light, temperature,and precipitate
  6. 17. "Matter is neither created nor destroyed"
  7. 19. If they have more of these they are more stable
  8. 20. Number of mistakes
  9. 21. Landform of divergent oceanic-oceanic
Down
  1. 1. New substance created by the reactant
  2. 2. Known as the super continent
  3. 3. Stated the continents were constantly in motion and move apart over time
  4. 5. one plate slides underneath the other while the other goes back to the mantle
  5. 6. 3H2O is an example of
  6. 7. Change in size,shape,or state of matter
  7. 10. North,west,up,down,away,and towards are examples of
  8. 11. Change in speed,direction,or both
  9. 14. Speed is not changing but remaining the same
  10. 15. Total of all the forces acting
  11. 16. Plates crash into one another
  12. 18. What the electrons are arranged on