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8th Gr. Voc 15-29

Weeks 4-6

universal solvent the quality of water that makes it able to dissolve more substances than any other solvent can
buoyancy the ability of a fluid to exert an upward force on an object that is immersed in the fluid
density a measure of the mass of a substance per unit volume
salinity the concentration of salts in a liquid such as water
specific heat the amount of energy needed to raise the temperature of 1 g of a substance by 1 ºC
water shed (river basin) an area of land where precipitation collects and then drains into a single collection place, often a lake or an ocean
tributary small streams that flow into a river
aquifer a rock layer that stores water and allows water to flow through it
wetland land areas that remain wet for all or part of the year
estuary an area where salty ocean water mixes with fresh water from rivers
desalination a process used to separate the salt from seawater for the purpose of reclaiming one or both materials
sonar the method of determining the depth of the ocean using echoes; acronym for sound navigation and ranging
hydrothermal vent cracks in the ocean crust that release mineral-rich water that has been heated by Earth’s interior
chemosynthesis process in which carbohydrates are made from carbon dioxide and water using chemical nutrients as the energy source rather than sunlight like in photosynthesis
upwelling the movement of colder, nutrient-rich waters from the deep ocean into shallow areas
Created by: karen_lindley