principles of science and systems
William P. Cunningham University of Minnesota Mary Ann Cunningham Vassar College Copyright ? The McGraw-Hill Companies, Inc. Permission required for reproduction or display. *See PowerPoint Image Slides for all figures and tables pre-inserted into PowerPoint without notes. Chapter 02 Lecture Outline* Principles of Science and Systems Outline What is Science? Variables and Experimental Design Models and Systems Consensus and Conflict in Science Recognizing Pseudoscience Environmental Science vs. Environmentalism What is Science? Science is: a methodical, logical process for producing knowledge about natural phenomena a cumulative body of knowledge produced by scientists a process based on careful observation and hypothesis testing