Earth Science Video Series: Name:____________________

Earth Revealed Student Notes 5 points

#4 The Sea Floor -- The Sea Floor examines major sea-floor features: the mid-oceanic ridge, oceanic trenches and fracture zones.

The mysteries of the ocean floor lie hidden under enormous pressure and total darkness. This program looks at the research submersibles and indirect methods used to study the bottom of the sea, providing a glimpse of volcanic activity, formations such as the continental shelf and mid-ocean ridges, and life forms that thrive at extreme depths.

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