Properties of Water Review

The amount of dissolved salts in a body of water

• Halocline

• Density

• Salinity

• Bouyancy

The tendency of an object to float when submerged

• Halocline

• Density

• Salinity

• Bouyancy

A measure of how tightly packed matter is in an area

• Halocline

• Density

• Salinity

• Bouyancy

Zone in which salinity increases rapidly with depth. (We saw this in a cave diving video)

• Halocline

• Density

• Salinity

• Bouyancy

Most common salt found in seawater

• MgCl2 (Magnesium Choride)

• K2SO4 (Potassium sulfate)

• NaCl (Sodium chloride)

• Ca2SO4 (Calcium Sulfate)

The degree of acidity or alkalinity of a solution

• pH

• D.O.

• Barotrauma

• Ambient Pressure

Tags

NGSS.HS-PS1-5

Any diving injury resulting from pressure, such as nitrogen narcosis or the "bends"

• pH

• D.O.

• Barotrauma

• Ambient Pressure

The amount of oxygen dissolved in an amount of water

• pH

• D.O.

• Barotrauma

• Ambient Pressure

Tags

NGSS.HS-ESS2-5

Total pressure exerted underwater

• Hydrostatic Pressure

• Atmospheric Pressure

• Ambient Pressure

Normal pH range of freshwater

• 4-5

• 6.5-7.8

• 8-9