9. What assumptions did you make 6. Create a story to match the graph. about falling after she opened the parachute? Directions: Use the following information to answer questions 7 10. Draw a graph of number of through 9. bacteria versus time for the following story: Julie gets into an airplane and waits on Dave is doing an experiment with a type the tarmac for 2 minutes before it takes of bacteria that he assumes divides off. The airplane climbs to 10,000 feet exactly every 30 minutes. He begins at over the next 15 minutes. After 2 8:00a.m. with 10 bacteria in a Petri dish minutes at that constant elevation, Julie and waits for 3 hours. At 11:00a.m., he jumps and free falls for 45 seconds until decides this is too large of a sample and she reaches a height of 5,000 feet. adds Chemical A to the dish, which kills Deploying her chute, she slow glides back half of the bacteria almost immediately. to Earth over the next 7 minutes where The remaining bacteria continue to grow she gently lands on the ground. in the same way. At noon, he adds Chemical B to observe its effects. After observing the bacteria for two more 7. Draw an elevation versus time hours, he observes that Chemical B graph to represent Julie’s elevation seems to have cut the growth rate in with respect to time. half. . 8. According to your graph, describe the manner in which the plane climbed to its elevation of 10,000 feet.
6. Create a story to match the graph. Directions: Use the following information to answer questions 7 through 9. Julie gets into an airplane and waits on the tarmac for 2 minutes before it takes off. The airplane climbs to 10,000 feet over the next 15 minutes. After 2 minutes at that constant elevation, Julie jumps and free falls for 45 seconds until she reaches a height of 5,000 feet. Deploying her chute, she slow glides back to Earth over the next 7 minutes where she gently lands on the ground. 7. Draw an elevation versus time graph to represent Julie’s elevation with respect to time. 8. According to your graph, describe the manner in which the plane climbed to its elevation of 10,000 feet. 9. What assumptions did you make about falling after she opened the parachute? 10. Draw a graph of number of bacteria versus time for the following story: Dave is doing an experiment with a type of bacteria that he assumes divides exactly every 30 minutes. He begins at 8:00a.m. with 10 bacteria in a Petri dish and waits for 3 hours. At 11:00a.m., he decides this is too large of a sample and adds Chemical A to the dish, which kills half of the bacteria almost immediately. The remaining bacteria continue to grow in the same way. At noon, he adds Chemical B to observe its effects. After observing the bacteria for two more hours, he observes that Chemical B seems to have cut the growth rate in half. .