https://padlet.com/lyonsd2/9fblp24vspkp en-us 2017-10-02 13:08:09 UTC 2025-04-04 16:16:17 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Bigthunderstorm.png lyonsd2 https://padlet.com/lyonsd2/9fblp24vspkp/wish/192973976 2017-10-02 13:16:42 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/192973976 lyonsd2 https://padlet.com/lyonsd2/9fblp24vspkp/wish/192978815 Distilled water is water in its purest form.  There are no other molecules or substances in it.]]> 2017-10-02 13:24:55 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/192978815 lyonsd2 https://padlet.com/lyonsd2/9fblp24vspkp/wish/192979691 Ions are elements with electrical charges.]]> 2017-10-02 13:26:30 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/192979691 lyonsd2 https://padlet.com/lyonsd2/9fblp24vspkp/wish/192980783 A substance that allows an electrical current to flow through it.]]> 2017-10-02 13:28:18 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/192980783 k_bedson https://padlet.com/lyonsd2/9fblp24vspkp/wish/192981054 Resistance and Conductivity are mathematically reciprocals which causes the units to be opposites. Resistance's units is ohms and Conductivity's unit is mho which is ohm backwards.

]]> 2017-10-02 13:28:44 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/192981054 lyonsd2 https://padlet.com/lyonsd2/9fblp24vspkp/wish/192982640 A person who studies the properties, distribution, and effects of water on the Earth's surface, in the soil, and in the atmosphere]]> 2017-10-02 13:31:16 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/192982640 lyonsd2 https://padlet.com/lyonsd2/9fblp24vspkp/wish/193005903 Humans affect the conductivity of the water when they salt their driveways, parking lots, sidewalks, and or porches. This salt will ultimately end up in a body of water and when the ions from the salt enter they can cause the water to increase it’s ability to conduct an electric current.]]> 2017-10-02 14:08:57 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/193005903 erikmalanoski https://padlet.com/lyonsd2/9fblp24vspkp/wish/193013480 Waters high in dissolved solids causes problems with industrial equipment and boilers as well as domestic plumbing, hot water heaters, toilet flushing mechanisms, faucets, and washing machines and dishwashers.  Can cause elimination of desirable food plants and habitat-forming plant species. Agricultural uses of water for livestock watering are limited by excessive dissolved solids and high dissolved solids can be a problem in water used for irrigation.]]> 2017-10-02 14:21:07 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/193013480 erikmalanoski https://padlet.com/lyonsd2/9fblp24vspkp/wish/193013710 If the water conductivity level is too low the water could be low in minerals and salts.  This could effect the diets of animals in the ecosystem who drink from the water and eat plants that grow in it.  These levels could also determine what animals and plants can survive in the ecosystem.]]> 2017-10-02 14:21:29 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/193013710 erikmalanoski https://padlet.com/lyonsd2/9fblp24vspkp/wish/194081839 Pollution is a big problem for water sources. Waste is dumped into the water and harms the ecosystem. Animals could eat the pollutants and plants can die from absorbing the chemicals. TDS is raised from pollution because unnatural particles are added to the water source.]]> 2017-10-04 20:26:57 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/194081839 erikmalanoski https://padlet.com/lyonsd2/9fblp24vspkp/wish/199590972 The unit of measurement for conductivity is expressed in either microSiemens (uS/cm) or micromhos (umho/cm) which is the reciprocal of the unit of resistance, the ohm. The prefix "micro" means that it is measured in millionths of a mho. MicroSiemens and micromhos are equivalent units.]]> 2017-10-23 14:22:20 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/199590972 erikmalanoski https://padlet.com/lyonsd2/9fblp24vspkp/wish/199599045 Distilled water has a conductivity in the range of 0.5 to 3 µmhos/cm. The conductivity of rivers in the United States generally ranges from 50 to 1,500 µmhos/cm.  Sea water has an average concentration of 5,000  µmhos/cm.]]> 2017-10-23 14:36:01 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/199599045 erikmalanoski https://padlet.com/lyonsd2/9fblp24vspkp/wish/201740078 Studies of inland fresh waters indicate that streams supporting good mixed fisheries have a range between 150 and 500 µhos/cm. Conductivity outside this range could indicate that the water is not suitable for certain species of fish or macroinvertebrates. Industrial waters can range as high as 10,000 µmhos/cm. Attached is a study from Dartmouth that analyzes the impact of water conductivity on stream environments and the animals within them. ]]> 2017-10-30 14:31:46 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/201740078 erikmalanoski https://padlet.com/lyonsd2/9fblp24vspkp/wish/201745510 The percentage of salt in water. ]]> 2017-10-30 14:41:13 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/201745510 erikmalanoski https://padlet.com/lyonsd2/9fblp24vspkp/wish/201745761 starTo form, arrange, or deposit in layers. A layer configuration. ]]> 2017-10-30 14:41:44 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/201745761 erikmalanoski https://padlet.com/lyonsd2/9fblp24vspkp/wish/201746211 The amount of material (inorganic salts and small amounts of organic material) dissolved in water. ]]> 2017-10-30 14:42:33 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/201746211 erikmalanoski https://padlet.com/lyonsd2/9fblp24vspkp/wish/201746592 Minerals that water picks up as it passes through the air, over and under the ground, or from households and industry ]]> 2017-10-30 14:43:11 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/201746592 erikmalanoski https://padlet.com/lyonsd2/9fblp24vspkp/wish/201746913  A measure of the electrical current carrying capacity, in mhos/cm, of 1 cm3 or water at 25° C. Dissolved substances in water dissociate into ions with the ability to conduct electrical current. Conductivity is a measure of how salty water is; salty water has high conductivity. ]]> 2017-10-30 14:43:46 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/201746913 erikmalanoski https://padlet.com/lyonsd2/9fblp24vspkp/wish/201854544 This diagram shows the range of conductivity for different water sources.]]> 2017-10-30 17:48:28 UTC https://padlet.com/lyonsd2/9fblp24vspkp/wish/201854544