Java applets: an area "workshop," which explains area and division by converting numbers in area units; an architect's toy blocks, with gravity; connecting and programming elementary logic (in the form of pipes with...

A unit that introduces types of statements, truth tables, and Venn Diagrams, as well as the language of Logic and Set Theory. Exercises are provided.

Skepticism 101, the Skeptical Studies Curriculum Resource Center from Skeptic magazine, provides reams of resources built to inspire a critical, even aporetic, attitude toward the known and unknown phenomena of the...