Water Quality 8.E.1.3

Algae blooms

an extremely rapid growth of algae caused by too many nutrients in the water


something that makes a place or substance no longer suitable for use

Water quality

the degree of purity of water, determined by measuring the substances in water besides water molecules


the natural process in which material (such as stones and sand) are carried to the bottom of a body of water and forms a solid layer


the saltiness of a body of water

Organic materials

carbon-based compounds, originally derived from living organisms


the process by which nutrients in a lake build up over time, causing an increase in the growth of algae


a substance that tastes sour, reacts with metals and carbonates and turns red on a litmus test paper.


a substance that tastes bitter, feels slippery, and turns blue on litmus test paper.

Inorganic materials

any compound that is not organic, does not contain the element carbon


the measure of how clear water is


a chemical compound that contains oxygen and nitrogen and that is used in fertilizer


a salt or compound that has phosphorus in it and that is used especially in products that help plants grow