water quality indicators
Quiz by Victoria Hensley
Grade 8
Science
North Carolina Standard Course of Study
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37 questions
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- Q1Which of the following is a characteristic of groundwater?It is found in large open bodies like oceansIt is primarily derived from glaciersIt is stored underground in aquifersIt is only found in lakes and rivers30s
- Q2What is the process through which water returns to the atmosphere from plants?PrecipitationTranspirationEvaporationCondensation30s
- Q3What is the process through which water vapor turns into liquid water?EvaporationCondensationPrecipitationTranspiration30s
- Q4What is the process through which water falls from the atmosphere to the Earth's surface?EvaporationCondensationTranspirationPrecipitation30s
- Q5Which of the following is a human activity that can negatively impact the hydrosphere?Water pollutionTree plantingRenewable energy productionMarine conservation30s
- Q6Which of the following is a water quality indicator?TemperaturepH levelWind speedHumidity30s
- Q7What is the main purpose of measuring turbidity in water?To monitor pH levelsTo assess water clarityTo measure dissolved oxygen levelsTo determine water temperature30s
- Q8Which of the following is a primary indicator of water pollution?High dissolved oxygenLow pH levelElevated levels of bacteriaPresence of algae30s
- Q9What is the recommended range for pH levels in drinking water?7.0-9.04.0-6.09.5-11.06.5-8.530s
- Q10Which of the following is an example of a chemical water quality indicator?Flow rateWater temperatureNitrate levelsPresence of rocks30s
- Q11What is the main purpose of measuring dissolved oxygen in water?To determine water temperatureTo monitor turbidityTo measure pH levelsTo assess aquatic ecosystem health30s
- Q12Which of the following is a biological water quality indicator?Water clarityChemical oxygen demand (COD)Presence of macroinvertebratesFlow rate30s
- Q13What is the main source of fresh water for most communities?GroundwaterSurface waterSeawaterRainwater30s
- Q14What percentage of Earth's water is freshwater?10%50%3%20%30s
- Q15What is the term for the process by which water seeps into the ground and becomes groundwater?DischargeErosionPercolationInfiltration30s