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# Bathymetric Evidence for Seafloor Spreading

## The features of the seafloor, like ridges, trenches and mountains, are revealed by echo sounding.

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Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
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## Bathymetric Evidence for Seafloor Spreading

by CK-12 //at grade
Seafloor features and how scientists map them.
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• PLIX

## Bathymetric Evidence for Seafloor Spreading

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Bathymetric Evidence for Seafloor Spreading Interactive
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• Downloadable Quiz

## Bathymetric Evidence for Seafloor Spreading Quiz

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Bathymetric Evidence for Seafloor Spreading Quiz.
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• Critical Thinking

## Bathymetric Evidence for Seafloor Spreading Discussion Questions

by CK-12 //at grade
A list of student-submitted discussion questions for Bathymetric Evidence for Seafloor Spreading.
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• Real World Application

## The Spoils of War

by CK-12 //at grade
Discover how World War II helped Harry Hess discover seafloor spreading and declare it the mechanism for plate motions.
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• Study Guide

## Seafloor: Characteristics and Spreading Study Guide

by CK-12 //at grade
This study guide summarizes the key points of Seafloor, Bathymetric Evidence for Seafloor Spreading, Magnetic Evidence for Seafloor Spreading, and Seafloor Spreading Hypothesis.
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