Science

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Across
  1. 2. outfit,requisites
  2. 6. curved surface of liquid;lens convex on one side and concave on the other
  3. 7. science of properties,nature,and interaction of matter and energy
  4. 10. instrument for measuring temperature
  5. 12. room or building used for scientific experiments
  6. 15. observing or being observed
  7. 17. science of elements and their laws of combination and behaviour
  8. 18. body of matter of irregular shape
  9. 19. science of earths crust,its strata,and their relations and changes
  10. 20. being safe,freedom from danger or risks
Down
  1. 1. degree or intensity of warmth or coldness of body or atmosphere
  2. 3. act of inferring
  3. 4. one of set of books,bulk,mass, space occupied
  4. 5. examine,inquire into
  5. 8. supposition made as basis for reasoning
  6. 9. liable to vary,capable of variation,shifting
  7. 11. size or quantity found by measuring
  8. 13. ending,close,final opinion
  9. 14. mark with scale of readings correlate readings of instrument with standard
  10. 16. study of living organisms