<< | CDs and DVDs | >>  Lesson 3: Performance Models for CDs and
DVDs  Objective(s) - students will be able  1. To describe the
relationship between Materials Models and Performance Models  2.
To describe the relationship between Methods Models and
Performance Models  3. To define a Performance Model and
describe how mechanics and electronics affect CDs and DVDs
storage  Prerequisite skills  Computer-based storage, network-
based storage, internet-based storage, redundancy, performance
solving equations   Sponges of different sizes, all with a flat
sides, water Graph paper, worksheets including discussion
prompts and calculation exercises  Relevant Vocabulary, Terms
and Symbols  Exponential Equations, Exponents, Logarithmic
Equations, and Logarithms   The cause of a Performance Models
can be simply modeled using a sponge, and a piece of string. If
only one sponge is available, this exercise can be done as a
classroom demonstration of transference. Otherwise, students may
be divided into groups, each of which h