# Physics Chapter 1 Vocab

 A rule that tells you how or why something happens the particular way it does Natural law Situation you carefully set up to see what happens under controlled conditions Experiment  Is the detailed thinking you do to interpret and understand what you observe Analysis Measure of the amount of matter that makes up an object Mass A collection of matter and processes thta occur in a certain space and can be studied  System Large enough to be observed and measured directly  Macroscopic  Process used to conduct an experiment  Scientific method  Variable that is the cause of change in the system  Independent variable  Variable that shows the effect of those changes  Dependent variable  Variable that is kept the same  Control variable  Variable that is changed Experimental variable Measure of a system's ability to change or create change in other systems Energy  An explanation that links the variables in a system through cause nd effect relationship Model Amount of space between two points Distance  Units distance is measured Length A system of measuring that uses distance units of inches, yards, and miles English system  A system of measuring based on the meter and the kilogram and using multiple of 10 (International System of Units) Metric system Quantity of time  Time interval  Based unit of time in both English and Metric systems Second Is the distance it travels divided by the time it takes Speed The same distance is traveled every second Constant speed AuthorSypes ID167392 Card SetPhysics Chapter 1 Vocab DescriptionPhysics Chapter 1 Vocab- 1.1- 1.3 Updated2012-08-25T18:28:21Z Show Answers