Part IV

If you want to find out how to get the most work done with the least amount of sweat, check out the article on Carnot engines at www.dummies.com/extras/ucanphysics1.

In this part …

Discover how heat makes objects expand and change phase.

See how heat is transferred through convection, conduction, and radiation.

Understand the relationship among the pressure, volume, and temperature of a gas.

Work through the laws of thermodynamics that govern heat processes.