ERPRETATION Dissolved oxygen is oxygen that is trapped in a fluid. Since many living organisms require oxygen to survive, it is a necessary component of water systems (streams, lakes, rivers, etc.). Dissolved oxygen is measured in units of parts per million (ppm). Examine the data in Table 4, which shows the amount of dissolved oxygen present in a body of water and the number of fish observed in the sample. Then, answer the questions below. Table 4: Water Quality Regulation

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Introduction to Science
EXERCISE 1: DATA INTERPRETATION
Dissolved oxygen is oxygen that is trapped in a fluid. Since many living organisms require
oxygen to survive, it is a necessary component of water systems (streams, lakes, rivers, etc.).
Dissolved oxygen is measured in units of parts per million (ppm). Examine the data in Table 4,
which shows the amount of dissolved oxygen present in a body of water and the number of fish
observed in the sample. Then, answer the questions below.
Table 4: Water Quality vs. Fish Population
Dissolved Oxygen (ppm) 0 2 4 6 8 10 12 14 16 18
Number of Fish Observed 0 1 3
102
13 15 10 12 13
1. What patterns do you observe based on the information in Table 4?
The more dissolved oxygen in the water the
higher the & fish population
2. Develop a hypothesis relating to the amount of dissolved oxygen measured in the water
sample and the number of fish observed in the body of water.
Prefecare dess deened
3. What would your experimental approach be to test this hypothesis?
4. What would be the independent and dependent variables?
dissolved orggen concentration and
5. What would be your control?
POEMA
CeScience Labs, 2018
Transcribed Image Text:Introduction to Science EXERCISE 1: DATA INTERPRETATION Dissolved oxygen is oxygen that is trapped in a fluid. Since many living organisms require oxygen to survive, it is a necessary component of water systems (streams, lakes, rivers, etc.). Dissolved oxygen is measured in units of parts per million (ppm). Examine the data in Table 4, which shows the amount of dissolved oxygen present in a body of water and the number of fish observed in the sample. Then, answer the questions below. Table 4: Water Quality vs. Fish Population Dissolved Oxygen (ppm) 0 2 4 6 8 10 12 14 16 18 Number of Fish Observed 0 1 3 102 13 15 10 12 13 1. What patterns do you observe based on the information in Table 4? The more dissolved oxygen in the water the higher the & fish population 2. Develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water. Prefecare dess deened 3. What would your experimental approach be to test this hypothesis? 4. What would be the independent and dependent variables? dissolved orggen concentration and 5. What would be your control? POEMA CeScience Labs, 2018
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