- a. Direction: Write the letter of the correct answer on spaces before each item. 1. Which is a series of steps designed to help you solve problems and answer questions? A/An, a. experiment b. hypothesis C. observation d. scientific method. 2. In which step of the scientific method do we want to use graphs? In, analyzing data b. asking questions c. making hypothesis d. communicating results 3. Which refers to a scientific procedure undertaken by scientists to test a hypothesis and make dis- covery or demonstrate a known fact? When, theorizing b. making inference c. making conclusions d. experimenting. 4. A scientist is already contemplating whether the data of his experiments support his hypothesis. At this point the scientist is a. asking a question b. making observations c. drawing a conclusion d. forming hypothesis 5. Which of the following substances is an important ingredient to put flavor in food? Calcium chloride b. Sodium chloride c. Magnesium oxide d. Iron