Instruction : Choose the best answer for each questions. 1. Diagr am 2 shows the steps used in the scient ific investigation. Diagram 2 What is X and Y ? 2. The following problem statement is given in an experiment. What is suitable hypothesis for this problem statement? A A wooden blocks floats in water whereas an iron block sinks in water B The wight of an object determines whether the object floats or sinks in water C An object that is less dense than water will float, whereas an object denser than water will sink D The heavier the object, th e denser the object is 3. When record ing data i n an exp eriment, a scientist has to... 1 X Y Interpreting data Analysing data Controlling variables Interpreting data Analysing data Interpreting data Analysing data Making a report What are the factors that cause an object to float or sink in water Planning an X X Forming conclusion