Question

question 4 what is a hypothesis in a scientific experiment? a proven fact that explains the outcome of the experiment a testable prediction about the relationship between variables the data collected during the experiment the conclusion based on the experiments results 1 pts question 5 in a well - designed scientific experiment, what is the role of the independent variable? it is the variable that is measured and affected in the experiment. it is the variable that remains constant and is not changed. it is the variable that the researcher manipulates to observe its effect. it is the variable that is not relevant to the experiment.

Explanation:

A hypothesis in a scientific experiment is a testable prediction about the relationship between variables. The independent variable is the one that the researcher manipulates to observe its effect, while the dependent variable is measured and affected in the experiment. Constants remain unchanged.

Answer:

Question 4: A testable prediction about the relationship between variables
Question 5: It is the variable that is measured and affected in the experiment.