Bath bombs- What we know

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Across
  1. 3. amount of space matter takes up
  2. 6. property that tells you if a substance can dissolve in water or not
  3. 10. this cannot get in or out of a closed system
  4. 11. when matter sinks
  5. 12. matter can get in and out of this
Down
  1. 1. this gas can float on neon, but sink in hydrogen
  2. 2. amount of mass within a given volume
  3. 4. often weighed in grams
  4. 5. the way a substance reacts to fire
  5. 7. when matter can float
  6. 8. this gas can create an explosion and will float in air.
  7. 9. this gas will sink and extinguish a flame (use your table on page 4)