You are testing whether different temperatures affect the rate at which yeast ferments. Hypothesis: If the temperature is _____, then the rate the yeast ferments will ______, because ____ Problem: You want to see if using different types of study methods affects students' retention of information. Hypothesis: If I study by _______, then I will remember ______, because _____ Problem: You are exploring whether the type of music played in the background affects people's performance on a math test. Hypothesis: If people listen to ________, then their performance on the math test will _______ because ______ Problem: You want to determine if the presence of a pet affects a person's stress levels. Hypothesis: If a pet is _______, then a person's stress level will ______ because ______ Problem: You are investigating whether the type of material a container is made of affects the rate at which ice melts