{"id":2065,"date":"2020-10-29T13:16:22","date_gmt":"2020-10-29T13:16:22","guid":{"rendered":"http:\/\/onlineclassesguru.com\/?p=2065"},"modified":"2020-10-29T13:16:22","modified_gmt":"2020-10-29T13:16:22","slug":"worksheet","status":"publish","type":"post","link":"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/worksheet\/","title":{"rendered":"Worksheet"},"content":{"rendered":"<style type=\"text\/css\"><\/style><p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Exercise 1: Data Interpretation<\/b><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Dissolved oxygen is oxygen that is trapped in a fluid, such as water. Since many living organism requires oxygen to survive, it is a necessary component of water systems such as streams, lakes and rivers in order to support aquatic life. The dissolved oxygen is measured in units of ppm (parts per million). Examine the data in Table 4 showing the amount of dissolved oxygen present and the number of fish observed in the body of water the sample was taken from; finally, answer the questions below.<\/p>\n<table style=\"box-sizing: border-box;\">\n<tbody style=\"box-sizing: border-box;\">\n<tr style=\"box-sizing: border-box;\">\n<td style=\"box-sizing: border-box;\">\n<table style=\"box-sizing: border-box;\">\n<tbody style=\"box-sizing: border-box;\">\n<tr style=\"box-sizing: border-box;\">\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Table 4: Water Quality vs. Fish Population<\/b><\/p>\n<\/td>\n<\/tr>\n<tr style=\"box-sizing: border-box;\">\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Dissolved Oxygen (ppm)<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">0<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">2<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">4<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">6<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">8<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">10<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">12<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">14<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">16<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">18<\/b><\/p>\n<\/td>\n<\/tr>\n<tr style=\"box-sizing: border-box;\">\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Number of Fish Observed<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">0<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">1<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">3<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">10<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">12<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">13<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">15<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">10<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">12<\/b><\/p>\n<\/td>\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">13<\/b><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Post-Lab Questions<\/b><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">1. What patterns do you observe based on the information in Table 4?<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Click here to enter text.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">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.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Click here to enter text.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">3. What would your experimental approach be to test this hypothesis?<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Click here to enter text.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">4. What would be the independent and dependent variables?<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Click here to enter text.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">5. What would be your control?<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Click here to enter text.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">6. What type of graph would be appropriate for this data set? Why?<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Click here to enter text.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">7. Graph the data from Table 4: Water Quality vs. Fish Population (found at the beginning of this exercise).<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Insert graph here:<\/b><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">8. Interpret the data from the graph made in Question 7.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Click here to enter text.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Exercise 2: Testable Observations<\/b><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Determine which of the following observations are testable. For those that are testable, answer the following:<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Determine if the observation is qualitative or quantitative. Write a hypothesis and null hypothesis. What would be your experimental approach? What are the dependent and independent variables? What are your controls &#8211; both positive and negative?<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Observations<\/b><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">1. A plant grows three inches faster per day when placed on a window sill than it does when placed on a on a coffee table in the middle of the living room.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Testable?- Hypothesis- Null Hypothesis- Experimental Approach- Dependent Variable- Independent Variable- Control(s)-<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">2. The teller at the bank with brown hair and brown eyes is taller than the other tellers.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Testable?- Hypothesis- Null Hypothesis- Experimental Approach- Dependent Variable- Independent Variable- Control(s)-<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">3. When Sally eats healthy foods and exercises regularly, her blood pressure is 10 points lower than when she does not exercise and eats fatty foods.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Testable?- Hypothesis- Null Hypothesis- Experimental Approach- Dependent Variable- Independent Variable- Control(s)-<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">4. The Italian restaurant across the street closes at 9 pm, but the one two blocks away closes at 10 pm.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Testable?- Hypothesis- Null Hypothesis- Experimental Approach- Dependent Variable- Independent Variable- Control(s)-<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">5. For the past two days, the clouds have come out at 3 pm, and it has started raining at 3:15 pm.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Testable?- Hypothesis- Null Hypothesis- Experimental Approach- Dependent Variable- Independent Variable- Control(s)-<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">6. George did not sleep at all the night following the start of daylight savings.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Testable?- Hypothesis- Null Hypothesis- Experimental Approach- Dependent Variable- Independent Variable- Control(s)-<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Exercise 3: Unit Conversions<\/b><\/p>\n<table style=\"box-sizing: border-box;\">\n<tbody style=\"box-sizing: border-box;\">\n<tr style=\"box-sizing: border-box;\">\n<td style=\"box-sizing: border-box;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">For each of the following, convert each value into the designated units.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">1. 46,756,790 mg = kg<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">2. 5.6 hours = seconds<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">3. 13.5 cm = inches<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">4. 47 \u00b0C = \u00b0F<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Exercise 4: Accuracy and Precision<\/b><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">For the following, determine whether the information is accurate, precise, both or neither.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">1. During gym class, four students decided to see if they could beat the norm of 45 sit-ups in a minute. The first student did 64 sit-ups, the second did 69, the third did 65, and the fourth did 67.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">2. The average score for the 5th grade math test is 89.5. The top 5th graders took the test and scored 89, 93, 91 and 87.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">3. Yesterday the temperature was 89 \u00b0F, tomorrow it&#8217;s supposed to be 88 \u00b0F and the next day it&#8217;s supposed to be 90 \u00b0F, even though the average for September is only 75 \u00b0F degrees!<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">4. Four friends decided to go out and play horseshoes. They took a picture of their results shown below:<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">5. A local grocery store was holding a contest to see who could most closely guess the number of pennies that they had inside a large jar. The first six people guessed the numbers 735, 209, 390, 300, 1005 and 689. The grocery clerk said the jar actually contains 568 pennies.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Exercise 5: Significant Digits and Scientific Notation<\/b><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Part 1<\/b>: Determine the number of significant digits in each number and write out the specific significant digits.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">1. 405000<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Number of significant digits- Specific significant digits-<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">2. 0.0098<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Number of significant digits- Specific significant digits-<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">3. 39.999999<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Number of significant digits- Specific significant digits-<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">4. 13.00<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Number of significant digits- Specific significant digits-<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">5. 80,000,089<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Number of significant digits- Specific significant digits-<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">6. 55,430.00<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Number of significant digits- Specific significant digits-<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">7. 0.000033<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Number of significant digits- Specific significant digits-<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">8. 620.03080<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Number of significant digits- Specific significant digits-<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Part 2<\/b>: Write the numbers below in scientific notation, incorporating what you know about significant digits.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">1. 70,000,000,000 &#8211;<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">2. 0.000000048 &#8211;<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">3. 67,890,000 &#8211;<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">4. 70,500 &#8211;<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">5. 450,900,800 &#8211;<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">6. 0.009045 &#8211;<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">7. 0.023 &#8211;<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Exercise 6: Percentage Error<\/b><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">In the questions below, determine the percentage error.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">1. A dad holds five coins in his hand. He tells his son that if he can guess the amount of money he is holding within 5% error he can have the money. The son guesses that he is holding 81 cents. The dad opens his hand and displays 90 cents. Did the son guess close enough to receive the money from his father?<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">2. A science teacher tells her class that their final project requires the students to measure a specific variable and determine the velocity of a car with no more than 2.5% error. Jennifer and Johnny work hard and decide the velocity of the car is 34.87 m\/s. The teacher informs them that the actual velocity is 34.15 m\/s. Will Jennifer and Johnny pass their final project?<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">3. A locomotive train is on its way from Chicago, IL to Madison, WI. The trip is said to last 3.15 hours. When the train arrives in Madison the conductor notices it actually took them 3.26 hours. The train company prides itself on always having its trains to the station within a 3% error of the expected time. Will the train company live up to its reputation on this trip?<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">4. A coach tells his little league players that hitting a 0.275 batting average, within 7% percentage error, means that they had a really great season. Seven year old Tommy ended the season hitting a 0.258 batting average. According to his coach, did he have a great season?<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\"><b style=\"box-sizing: border-box;\">Exercise 7: Experimental Variables<\/b><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">Determine the variables tested in the each of the following experiments. If applicable, determine and identify any positive or negative controls.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">1. A study is being done to test the effects of habitat space on the size of fish populations. Different sized aquariums are set up with six goldfish in each one. Over a period of six months, the fish are fed the same type and amount of food. The aquariums are equally maintained and cleaned throughout the experiment. The temperature of the water is kept constant. At the end of the experiment the number of surviving fish are surveyed.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">A. Independent Variable:<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">B. Dependent Variable:<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">C. Controlled Variables\/Constants:<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">D. Experimental Controls\/Control Groups:<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">2. To determine if the type of agar affects bacterial growth, a scientist cultures\u00a0<i style=\"box-sizing: border-box;\">E. coli<\/i>\u00a0on four different types of agar. Five petri dishes are set up to collect results:<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">. One with nutrient agar and\u00a0<i style=\"box-sizing: border-box;\">E. coli<\/i><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">. One with mannitol-salt agar and\u00a0<i style=\"box-sizing: border-box;\">E. coli<\/i><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">. One with MacConkey agar and\u00a0<i style=\"box-sizing: border-box;\">E. coli<\/i><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">. One with LB agar and\u00a0<i style=\"box-sizing: border-box;\">E. coli<\/i><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">. One with nutrient agar but NO\u00a0<i style=\"box-sizing: border-box;\">E. coli<\/i><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">All of the petri dishes received the same volume of agar, and were the same shape and size. During the experiment, the temperature at which the petri dishes were stored, and at the air quality remained the same. After one week the amount of bacterial growth was measured.<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">A. Independent Variable:<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">B. Dependent Variable:<\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">C. Controlled Variables\/Constants:<\/p>\n<p><a style=\"box-sizing: border-box; color: #7429ff; cursor: pointer; font-family: Arimo, sans-serif; font-size: 28px; background-color: #f0f4ff;\" rel=\"nofollow\" name=\"_GoBack\"><\/a><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: unset;\">D. Experimental Controls\/Control Groups:<\/p>\n<p><center><a href=\"http:\/\/onlineclassesguru.com\/orders\/ordernow\"><img decoding=\"async\" src=\"https:\/\/encrypted-tbn0.gstatic.com\/images?q=tbn:ANd9GcTyj99p60XCLyLk1htB7-1neRt8-2QdnenNlQ&usqp=CAU\"target=\"_http:\/\/onlineclassesguru.com\/orders\/ordernow\"\/><\/center><p>","protected":false},"excerpt":{"rendered":"<p>Exercise 1: Data Interpretation Dissolved oxygen is oxygen that is trapped in a fluid, such as water. Since many living organism requires oxygen to survive, it is a necessary component of water systems such as streams, lakes and rivers in order to support aquatic life. The dissolved oxygen is measured in units of ppm (parts&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2065","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Worksheet - onlineclassesguru<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/worksheet\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Worksheet - onlineclassesguru\" \/>\n<meta property=\"og:description\" content=\"Exercise 1: Data Interpretation Dissolved oxygen is oxygen that is trapped in a fluid, such as water. 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