Density, Floating and Buoyancy

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Across
  1. 2. Often called large water crafts
  2. 6. Propelled by engines
  3. 8. The tendency of something to float in liquid
  4. 9. Awarded to the winners of a yacht race
  5. 10. Rear part of a ship or a boat
  6. 11. The number of things in an area
Down
  1. 1. Carry stuff to ports around the world
  2. 2. Ice that has salt in it
  3. 3. Sitting on top of the liquid
  4. 4. The liquid H'2'O
  5. 5. An example could be glaciers
  6. 7. The hull is the main body
  7. 12. Sitting underneath the fluid