Atoms and Molecules

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Across
  1. 4. A SIGNATURE THAT WE ASK FROM ANY FAMOUS PERSONALITY
  2. 6. BASED ON THE METHODS AND PRINCIPLES OF SCIENCE
  3. 7. A UNIT OF MEASUREMENT OF ANGLE (RIGHT ANGLE, ACUTE ANGLE, OBTUSE ANGLE)
  4. 8. HOLD SOMETHING WITHIN
  5. 10. A SET OF PRINCIPLES ON WHICH THE PRACTICE OF AN ACTIVITY IS BASED. BEFORE DOING ANY PRACTICAL IN CHEMISTRY AND PHYSICS WE STUDY ABOUT DIFFERENT PRINCIPLES.
  6. 12. BASED ON A HYPOTHESIS (SIMILAR TO THIS WORD).
  7. 13. THE PHYSICAL UNIVERSE BEYOND THE EARTH’S ATMOSPHERE.
Down
  1. 1. A SINGLE ITEM FROM A LARGE QUANTITY FOR INSPECTION OR SHOWN AS EVIDENCE OF QUALITY
  2. 2. THE ENVELOPE OF GASES SURROUNDING THE EARTH
  3. 3. VERY GREAT IN AMOUNT, EXTREME SIZE. 1ST LETTER STARTS FROM T.
  4. 5. A MINUTE PORTION OF MATTER. LEAST POSSIBLE AMOUNT
  5. 9. SCALE OF TEMPERATURE
  6. 11. A QUANTITY OF SOMETHING