We recommend that you begin by answering questions before interacting with the simulation.




This simulation/demonstration cannot be run becuase it requires Java.


Questions

Begin by answering the questions, even if you have to guess. The first time you answer the questions you should not check your answers. Once you have answered all the questions, answer them again using the simulation to help you. The second time through click the "Check Answer" button to get feedback.

Questions will appear here:
feedback