Sea Floor Features Crossword

This printable crossword puzzle on the topic of Oceans & Water has 20 clues. Answers range from 5 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

large flat area on the ocean floor, made of sediments
circular reefs
reefs that sit far from the shoreline, for barriers
continental shelf, continental slope, continental rise
uses sound to navigate
flat topped sea mounts
a chain of volcanic island
also called oceanic trench
a type of SONAR used to determine water depth
reefs very close to shorelines
long area in middle of ocean that is seismically active
gently rolling slope between a continental slope and an abyssal plain
flat or gently sloping submerged part of a continent
steep boundary between continental shelf and rise
also known as sea floor spreading
geysers on the sea floor
a deep underwater valley cut into continental margin
cone shaped mountain peaks that rise above the ocean floor
area of deep cracks
landforms characterized by steep mountain sides and flat floors