Water Quality Indicators Worksheet Answers
Good water quality fair water quality poor water quality mayfly larvae crayfish.
Water quality indicators worksheet answers. These include dissolved oxygen ph chloride nitrates phosphates temperature stream flow turbidity and biological indicators. You will receive your score and answers at the end. As shown on the graph do concentrations in the red river vary from highs of 15 mg l in the winter water temperature from 0 2 to 10 c to summer lows of 7 mg l water temperature from 20 to 26 c. What does the indicator tell us about the health of the water.
Try it risk free for 30 days instructions. Quiz worksheet testing water quality quiz. Choose an answer and hit next. This can also determine the amount of oxygen that can be absorbed into.
Indicators of water quality worksheet answers. Ways scientists judge how healthy a body of water is. The amount of heat is in a body of water. What are common pollutants that affect this indicator.
What sources affect this indicator. Your students will enjoy coloring while they are learning about water quality. Water quality standards have three elements. What do these pollutants do to the water to cause.
Biological oxygen demand bod gives an approximation of the level of biodegradable waste in the water aerobic bacteria in water eat organic matter and at the same time remove oxygen if there is. Water quality indicators you are to research five major water quality indicators and answer the following questions about each. Use the information in the table to make conclusions about the water quality and answer the questions. There are 2 different types of notes included one that is completely blank and one that is fill in the blank great for differentiating between classes.
The designated uses assigned to waters e g swimming the protection and propagation of aquatic life drinking the criteria or thresholds that protect fish and humans from exposure to levels of pollution that may cause adverse effects and the anti degradation policy intended to prevent waters from deteriorating from their current condition. Excellent indicator of water quality some forms are pathogenic but even if they are not if they are present in a water sample this indicates that they sample has been through an animal intestine. Review the water quality data sheets and respond to the questions on the student worksheet. During the study the students will assist the park in collecting data from the stream and identify the quality of the stream using water quality test parameters and macroinvertebrate findings.
Human activity can also affect do levels in the red. Science 8th grade north carolina standards essential standard 8 e 1. Monitor water quality fish populations and watersheds to better understand the dynamics of water running through diverse ecosystems. Assessment in addition to chemical and physical indicators biological organisms can be used as water quality indicators.
Summer increases in the amount of nutrients phosphorus nitrogen. Summary of water quality indicators surface waters page 2 around 9 mg l.