sentence: Scientists use it to tell how much table salt there is in water.
sentences_before: Salinity' is a scientific term.
sentences_after: Salinity is measured by the amount of sodium chloride found in 1,000 grams of water, if there is 1 gram of sodium chloride in 1,000 grams of salt it is 1 part per thousand.
concept_name: scientist
headings: Salinity
categories: Oceanography