Science

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Across
  1. 1. Not liquid or gas
  2. 4. Believable or reasonable
  3. 6. Illness or sickness characterised by specific signs or symptoms
  4. 8. Tiny fragment
  5. 11. Force that pulls objects toward each other
  6. 12. Damp with water
Down
  1. 2. Barrier to progress
  2. 3. Throws back light or heat
  3. 5. Year with an extra day
  4. 7. Living thing from another world
  5. 9. Makes a full turn around a central point
  6. 10. Water in the air