Crossword

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Across
  1. 2. Heat energy from hotter to cooler place
  2. 3. Banana are rich for
  3. 7. Form of energy from nebular
  4. 10. U atomic number 92
  5. 11. Form of energy
  6. 14. Capacity of doing energy
  7. 15. Center of earth
Down
  1. 1. Heat energy move from place to place
  2. 4. White lustrous metal
  3. 5. Atomic number of 78
  4. 6. One of the densest of all metals
  5. 8. It has atomic number of 28
  6. 9. One of the most common element on earth
  7. 12. Idea to intended to explain something
  8. 13. Ancient