## Modeling Change

**Modeling Change: **

The concrete act of programming the motion of a projectile in a virtual world, complements the usual mathematical analysis of that motion in the physical world, to help students build a deep understanding of a traditionally difficult physics concept, projectile motion.

**Unit Summary**

Lesson 1: Simultaneous, independent change

Lesson 2: Dependent changes

Lesson 3a: Constant xy change

Lesson 3b: Variable xy change