I tried to be as specific as possible. :) Activity In this activity, you'll answer questions based on the video you watched about allergy-causing germs found in pillows. Part A Scientific investigation starts with an observation of a natural phenomenon or problem. What observation prompted the family to conduct a scientific investigation? Part B Scientific experiments answer questions. When Dr. Philip Tierno conducted his experiment on the pillows, what question was he trying to answer? Part C How did Dr. Tierno find the answer to his question? Part D What were the results of the experiment? Part E The results of an experiment often prompt new questions that further scientific investigation can answer. From the results of this experiment, name one new question that a new experiment can answer. Part F Why do you think this experiment fits in the category of life science?