14.0 Modeling and its Limitations

Introduction to the Sine Function

Students investigate data from the Internet on the length of a day, sunrise to sunset.  There are several models that might work for data over only 30 to 45 days but what happens after that?  This includes an introduction to the  sine function.


14.2 Teacher Worksheet with Notes (pdf)

Module 14 zipped file includes the following files:

14.1 Student Worksheet
14.2 Teacher Worksheet
14.3 Excel
14.4 TI Nspire™




This material is based upon work supported by the National Science Foundation
under Grant No. DUE 0632883
Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.