Answer: If the temperature of water is increased, then it will change into steam.
Step-by-step explanation:
A research hypothesis is a statement that shows the prediction for a particular research that will be carried out by a researcher. It is a statement that's testable.
For a research hypothesis to be tested, the researcher has to state the problem that he or she wants to solve. Also, the topic of the research should be well defined and the hypothesis should be written as an as an if-then statement.
Based on the explanation, then the answer is "If the temperature of water is increased, then it will change into steam".