Unit 1: Measurement and Motion

The first lab activity associated with this textbook guides you through the process of performing an experiment to determine human reaction time. The experimental setup is similar (but not exactly the same) as seen in this video. Any rigorous scientific experiment requires an understanding of measurement units of measure, and measurement uncertainty (next unit). Preparing the particular setup for this lab also requires and understanding of basic motion concepts such as position, velocity, acceleration, and free-fall. The following chapters in this unit will introduce these concepts. The learner outcomes for this unit are listed below, and below that are some related key terms to watch out for as you complete the chapter.

Unit 2 Learner Outcomes

  1. Find necessary conversion factors and convert between SI and non-standard units for several physical quantities. [1]
  2. Perform order of magnitude estimation. [2]
  3. Provide definitions for, and describe the connections among, distance, speed, position, displacement, velocity, and acceleration. [2]
  4. Apply basic kinematics to analyze the motion of objects and model experimental data [3].




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