MULTIPLE CHOICE: Choose the letter of the best answer. 1. In making experiments, scientist followed an orderly plan and all of us can also apply it. a scientific method b. process c. steps d. pattern 2. Which of the following is obtaining information using the five senses? a. making hypothesis b. observation C. conclusion d. asking question 3. When a scientist shares her findings with other scientists, she is a. experimenting b. analyzing data c. making a hypothesis d. communicating results 4. How do scientists test their hypothesis? a designing models b. doing experiments c. drawing conclusion d. formulating hypothesis 5-7 IDENTIFY THE VARIABLES IN THE GIVEN EXPERIMENT SITUATION: A group of students tested the effect of fertilizer on the growth of the plants. They used six plants that are all 15cm tall . They grouped the plants into two group: Group A and group B. They watered the plants in group A with 200ml of plain water and group B with 200 ml of fertilizer solution. They watered the plants twice a week with the same amount of water and exposed them to the same amount of sunlight. After weeks, they measured the growth of the plants in each group. 5. Which is the independent variable in a given situation? a. the application of fertilizer solution in group B b. the growth of the plants c. the frequency of watering, the initial height a d. the number of plants. 6. Which is the experimental group? a Group A b. Group B c. both groups d. none of the group vrimentar