Name __________________________ Mr. Carcich Physics Practice Mid-term Exam (2) Multiple Choice: 1) The first two parts of the scientific method are a. observation and question b. question and hypothesis c. theory and conclusion d. hypothesis and experiment 2) A logical and time-tested explanation of a phenomenon that occurs in the natural world is a. observation b. natural law c. theory d. hypothesis 3) The measure of how fast something is moving is defined as a. velocity b. speed c. acceleration d. free fall 4) Which of the following is not a valid unit of speed a. km/h b. centimeters per day c. light years per century d. joules per decade 5) Speed in a given direction is defined as