Marine Ch. 1-2 Crossword

This printable crossword puzzle on the topic of Oceans & Water has 15 clues. Answers range from 4 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Innermost layer of planet Earth
Outermost layer of planet Earth
entire process by which seafloor moves away from mid-ocean ridge
aka trench
underwater submarine volcanoes
Flat-topped seamount
Slope between the outer edge of the continental shelf and the deep ocean floor
Shallow, gently sloping that extends from shore to the point where the slope gets steeper
Underwater plain on the deep ocean floor
Any of the numerous relatively low elevations arising from ocean floor
Semi-liquid region between crust and core
Gently sloping area at the base of continental slope
Makes up continental crust
Makes up oceanic crust
Continuous chain of submarine mountains