Activity 2. Differentiate It! Directions: Examine the pictures below then answer the guide questions that follow. "Effect of a Fertilizer on Plant Growth" Figure 1 Figure 2 Without Fertilizer With Fertilizer Guide Questions: 1. What have you observed between the two figures? 2. Do you think the fertilizer has an effect to the plant? 3. What do you think are the variables shown in the pictures? 4. Is there any relationship among the variables in Figure 1 and Figure 2? 5. How does these pictures relate to hypothesis