There is intrinsic beauty to be found in nature. Correct and valid inferences are important. It is essential that conclusions and actions be subject to question. Information is viewed critically with respect to the logic used. It is a frequent and thoughtful review of the effects that certain actions will have.
Experimental procedures can affect the outcome of an experiment.
Transporting oil by tankers might cause an oil spill with very serious environmental consequences. Empirical tests must be conducted to assess the validity or accuracy of findings or assertions. A frequent review should occur of the basic assumptions from which a line of inquiry has arisen. In a lab investigation into the rate of chemical reactions, the control of variables is examined. A critical examination is made of the factors under consideration in explaining the extinction of dinosaurs.