1 The Scientific Method

II. SUMMARY AND CONCLUSIONS:QUESTIONS:A. What substance or combination of substancesis responsible for thechange in physical state?(state the change.______________________)B. What substance or combination of substancesis responsible for thechange in color?(state the change.______________________)C. What substance or combination of substancesis responsible for thechange in the heat energy?(state the change.______________________)CONCLUSIONS:Circle the minimum items required to make the effect.sodium bicarbonate (NaHCO 3 ) phenol redcalcium chloride (CaCl 2 ) water (H 2 O)Circle the minimum items required to make the effect.sodium bicarbonate (NaHCO 3 ) phenol redcalcium chloride (CaCl 2 ) water (H 2 O)Circle the minimum items required to make the effect.sodium bicarbonate (NaHCO 3 ) phenol redcalcium chloride (CaCl 2 ) water (H 2 O)Explanation: How did the use of the scientific method enabled you to make proper conclusions?Error Analysis: Other than “human error” account for any potential pitfalls or errors possible in this experiment even if youdidn’t make them.Further Question(s): Come up with some questions inspired by this lab experience that might generate future experiments.RELATED EXERCISES:1.__ A hypothesis isA. an educated guess. B. the answer to a question. C. an experiment to perform.Reference Search:2. Use the Merck Index to answer the following questions about phenol red.A. List an alternate chemical name _________________________________________B. List the percent composition of it’s elements:Carbon (C) _________% Oxygen (O) _________%Hydrogen (H) _________% Sulfur (S) _________%C. List any medicinal or therapeutic use _______________________________________12CH104 Lab 1: The Scientific Method (F14)