Physical Science Unit 1 Review Sheet - Stevens Physical Science - Unit 1 Review Sheet Nature of Science and the Scientific Method Know the difference between what science is and what science isn’t. Know the difference between scientific theory and law. When can scientific theories be changed? List the seven steps to the scientific method. What is the difference between an observation and an inference? Be able to identify each. What is the difference between quantitative and qualitative data? What is the difference between an independent, dependent, and controlled variable? What is a constant? Be able to identify each in an example experiment 8. How has computer technology increased our scientific knowledge and ability to conduct research? 9. Why do scientists use scientific thinking and the scientific method? 10. Be able to read line, bar and circle graphs and be able to graph data using each kind of graph. 11. Understand the metric system and how to convert units. 1. 2. 3. 4. 5. 6. 7.