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8th Gr. Voc 15-29
Weeks 4-6
| Question | Answer |
|---|---|
| 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
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