Ultimate Crossword: 1st 9 Weeks

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Across
  1. 4. "Stored energy due to the interactions between objects or particles."
  2. 6. "A process in which atoms of one or more substances rearrange to form one or more *new* substances."
  3. 9. Element with the symbol N
  4. 10. Element with the symbol He
  5. 12. Physically changing state from solid to gas
  6. 15. Chart that organizes all of the different elements into groups of similar properties
  7. 17. "Two or more atoms that are held together by covalent bonds and act as a unit."
  8. 18. Element with the symbol Ne
  9. 20. A small particle that is the building block of matter
  10. 22. "The amount of matter in an object."
  11. 24. Common name of the "H2O" molecule
  12. 25. Type of energy associated with how fast things are moving
  13. 27. "The amount of force per unit area applied to an object's surface."
  14. 30. Element with the symbol Na
  15. 32. Element name of the "O2" molecule
  16. 33. Describes chemical reactions that absorb heat from the outside and seemingly feel colder
  17. 35. A substance that contains only *one* type of atom
  18. 37. Element with the symbol H
  19. 38. "The measure of the average kinetic energy of the particles in a material."
Down
  1. 1. Physically changing state from liquid to gas
  2. 2. Describes chemical reactions that release excess heat
  3. 3. Physically changing state from solid to liquid
  4. 5. Element with the symbol U
  5. 7. A sample of matter that is the same thing throughout
  6. 8. "A characteristic of matter that can be observed as it changes to a different type of matter."
  7. 11. A substance containing atoms of two or more *different* elements chemically bonded together
  8. 13. The amount of three-dimensional space an object takes up
  9. 14. Physically changing state from liquid to solid
  10. 16. The substances needed before a chemical reaction can take place
  11. 19. Common name of the "CO2" molecule
  12. 21. Element with the symbol Hg
  13. 23. Element named after our state!
  14. 26. A sample of matter that is made of at least two or more different substances
  15. 28. Element with the symbol Ag
  16. 29. A characteristic of matter that can be observed or measured *without* chemically changing it first
  17. 31. The resulting substances after a chemical has taken place
  18. 34. Element with the symbol Au
  19. 36. Element with the symbol Cu