Marine Science
Name: _________________
Period: ______
Chapter 2: The Sea Floor Reading
Guide
pages 18 -29
True or False - The geological process beneath the sea affects only the ocean.
Define a marine habitat.
What role do geological processes play in the ocean?
1.
2.
3.
4.
5.
Oceans cover 71% of the globe and regulate its __________________ and
_______________________.
Label Pacific, Atlantic, Indian, Artic and Southern Ocean on map
In terms of size and depth how can we tell these oceans apart?
Marine Science
Name: _________________
Period: ______
Chapter 2: The Sea Floor Reading
Guide
pages 18 -29
The connections between the oceans allow what to happen?
Define Density and how we calculate it.
If two substances are mixed, one of greater density than the other, how would we find them
arranged?
Label Lithosphere, Asthenosphere, Mantle, and Core.
Marine Science
Name: _________________
Period: ______
Chapter 2: The Sea Floor Reading
Guide
pages 18 -29
What are the 3 main levels of the earth and what are their characteristics?
Define Lithosphere and Asthenosphere
The geological differences between ocean and continents results from?
Marine Science
Name: _________________
Period: ______
Chapter 2: The Sea Floor Reading
Guide
pages 18 -29
Compare and contrast continental crust and oceanic crust.
What is Pangaea and how long ago is it thought that it broke up?
Why was Wegener’s hypothesis not widely accepted?
What is the mid-ocean ridge?
What types of geological activity are associated with the mid-ocean ridge?
What are magnetic anomalies? What did they help scientists to realize?
Marine Science
Name: _________________
Period: ______
Chapter 2: The Sea Floor Reading
Guide
pages 18 -29
The theory of plate tectonics is an example of _________________
Define
Rifts –
Sea-floor spreading –
How does sea floor spreading explain the characteristics (sediments are thicker and older the
farther they are from the ridge, alternating normal and reversed magnetism) of the mid-ocean
ridge?
Where is lithosphere destroyed? And how does it happen?
What are the Aleutian and Mariana islands examples of?
What are the three types of plate boundaries and explain each one?