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Scienceweek10-12
Question | Answer |
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wastewater | water that runs into drains that may contain sewage and chemicals from homes and businesses, or pollutants from industry |
waste water treatment plant | – facilities that process water to remove wastes and then release the clean water into a lake or stream |
septic system | a wastewater treatment system for an individual home or farm, consists of pipes septic tank, and a drain field |
drain field | a series of pipes in a septic system that are buried under gravel or crushed rock and are full of small holes that allow wastewater to flow into gravel or rock |
neritic zone | the area that slopes down from the edge of the shoreline toward the ocean floor |
mass | amount of matter in an object |
volume | the amount of space an object occupies |
matter | anything that has mass or volume |
chemical | a substance used in or formed by a chemical process; a substance that has a definite composition |
element | a substance that cannot be broken down into a simpler substance by ordinary chemical means |