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9.1: What is the Ocean Floor Like?

Across
A continental ______ is a shallow underwater extension of a continent
This ocean is the largest of all the oceans
The Atlantic Ocean is ____ compared to the other oceans
The study of the earth's ocean
Echolocation has to do with _____ bouncing off of objects
When chemicals or bacteria produce light in an animal's body
Used to discover thousands of new marine organisms in the 1870's
The name of the deepest trench
The percentage that the ocean covers on earth
This ocean remains frozen for most of the year
This can spread from one part of the ocean to another.
Down
An underwater volcano
This was used to map the ocean floor
Small submarines that explore the ocean
An ocean ____forms at the boundary between crusts
Helped to invent the aqualung
This plain is a flat area covered with sediment.
A breathing device that made underwater diving possible
An extinct volcano submerged below the waves