What is the major way that seafloor sediments are classified?
By origin
100
At what temperature is the density of water the greatest?
4° C
100
What does “‰” and "ppt" stand for?
Parts per thousand
100
What is the most common way that ocean water has an increase in salinity?
Evaporation
200
These sediments are also called oozes.
Biogenous
200
What are the two main components of siliceous oozes?
Radiolarian & Diatoms
200
What is the type of bond that connect one water molecule to another water molecule?
Daily Double: What is the type of bond that creates H2O?
Hydrogen Bond
Daily Double: Covalent Bond
200
The typical salinity of seawater is ____. (For full points provide the number and the units)
35 ppt
200
What is the name of the region of depth where salinity changes dramatically?
Halocline
300
These sediments were created in space.
Cosmogenous
300
Which is the slowest growing hydrogenous sediment?
Manganese nodules
300
The ability of water to "stick" to other substances is called _______.
Adhesion
300
How does salinity affect the freezing point of water?
It lowers the freezing point
300
The pycnocline is the region of depth where _____ changes dramatically?
Density
400
What type of sediments include evaporates such as salt precipitates?
Hydrogenous
400
What is the name of the depth at which the dissolution (dissolving) and calcareous ooze equals or overtakes the deposition?
Daily Double: What type of sediment is found below this depth?