A group of pupils think about how fertilizer affects the growth of plants? They tried to answer the question in their mind, that the fertilizer affects the growth of plants. And they conduct an experiment to know if their answer is correct. They observed and wrote their data about the experiment. They used six plants and fertilizer. They grouped the plants into two: Group a and B. They watered the plants in group A with plain water and group B with fertilizer. They watered the plants twice a week. After three weeks they measured the growth of plants in each group. After they observed they found out that the fertilizer affects the growth of plants.  They reported their findings to their teacher. (30pts) ·        Analyse the situation and identify the following:
A.      Problem = ________________________________________________ B.      Hypothesis = ______________________________________________ C.      Dependent Variable = ______________________________________ D.     Independent Variable = _____________________________________ E.      Control Variable = _________________________________________ F.  Conclusion: _________________________________________ ​