ENERGY PUZZLE

123456789101112131415161718
Across
  1. 5. relating to or operated by a liquidar moving in a confined spa e
  2. 7. relating to chemistry or the interaction of substances as studied in chemistry
  3. 9. a piece of land surrounded by WATER
  4. 12. a course of water that originates in the mountains
  5. 13. part of the land near the sea
  6. 14. a natural stream of water of fairly large size
  7. 15. a natural elevation of earth’s surface, smaller than a mountain
  8. 16. a barrier constructed to hold back WATER
  9. 17. relating to, or caused by heat
  10. 18. a great body of salt water that covers much of the earth
Down
  1. 1. is define as a piece of land with water on three sides
  2. 2. granular material blanketing the beaches
  3. 3. level the level of the surface of a body water
  4. 4. relating to the motion of material of bodies and the forces
  5. 6. a large underground chambers in the earth or incide of a hill
  6. 7. a roughly circular line, route or movement that starts and finishes at the same place
  7. 8. a device used to cover electricity into light
  8. 10. a barrer área of landscape where living conditions are hostile
  9. 11. an area of open land, specially one planted with crops or pasture
  10. 12. capable of being replaced by natural ecological cycle