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# Process skills quiz 12 13

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### Process skills quiz 12 13

1. 1. Read the following paragraph, then answer the questions below. Put your answers on the scantron sheet. Mr. C was curious how an increase in water temperature would affect the survival rate of young fish.Mr.. C filled 4 tanks each with 25 gallons of water, and placed 50 yellow perch of various lengths in eachtank. Mr. C changed the water temperature between each tank by 2 degrees. Mr. C also placed 5 grams offish food every other day for 4 weeks in each tank.1. What question was Mr. C trying to find an answer to? A. How does the amount of water affect yellow perch survival? B. How does the amount of food affect yellow perch survival? C. How does water temperature affect yellow perch growth? D. How does water temperature affect how many yellow perch survive?2. What is the dependent variable that Mr. C is working with for this experiment? A. Amount of food B. Water temperature C. Survival of yellow perch D. Growth rate of yellow perch3. During this experiment Mr. C was testing the following hypothesis: If the temperature of water increases, then the survival rate of yellow perch will decrease. Although Mr. C developed a good hypothesis, why is his experiment considered to be invalid? A. Mr. C did not have a good experimental question B. Mr. C did not start the experiment with equal sized fish. C. Mr. C manipulated the water temperature. D. Mr. C controlled the amount of water and the amount of food placed in each tank.4. Observe Diagram A. Identify a good qualitative observation. A. The person is happy B. The person is smiling C. The person feels sick D. The person discovered an object in space.5. Observe Diagram A. Identify a good quantitative observations. A. The person has dark colored shoes B. The person is young C. The telescope has 3 legs D. The person discovered an object in space. Diagram A6. What on our observations of Diagram A, what can we infer from the picture? A. The person is smiling B. The person is looking at the moon C. The telescope has 3 legs D. The person has 2 legs