physical properties crossword

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Across
  1. 1. fluffy organism
  2. 4. larger then 2 chairs, used for eating food
  3. 6. sharp metal
  4. 7. invisable gas
Down
  1. 2. never touches water
  2. 3. protects you from diseases
  3. 5. floats on water
  4. 8. cold melts