The Road So Far....

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Across
  1. 2. Chemical reaction where energy is released (gets warmer)
  2. 5. Reaction Reaction where atoms rearrange to form new substances
  3. 6. Too small to see (needs a microscope to be seen)
  4. 8. State change from gas to liquid
  5. 9. Type of extended structurethat repeats in 3D
  6. 12. State change from gas to solid
  7. 14. Two or more atoms bonded together
  8. 15. How well a substance dissolves in another substance
  9. 16. State change from liquid to solid
  10. 18. Amount of mass per unit volume (ex: lab where we saw if something floats or sinks in water)
  11. 20. Forms of _____ are needed for a chemical reaction to happen
  12. 22. Anything that takes up space and has mass
  13. 23. State change from solid to gas (ex: dry ice)
Down
  1. 1. Big enough to be seen without a microscope (you can see it with your eyes)
  2. 3. How well a substance burns
  3. 4. Substances used in a chemical reaction
  4. 7. State change from liquid to gas
  5. 10. Building blocks of matter
  6. 11. Molecules made in a chemical reaction
  7. 13. Types of atoms
  8. 17. Measures how fast or slow particles in a substance move
  9. 19. Type of extended structure that repeats in a chain-like pattern
  10. 20. Chemical reaction where energy is absorbed (gets colder)
  11. 21. State change from solid to liquid