This unit presents lessons on the New Stone Age or Neolithic period from 8,000 to 3,500 B.C. The unit attempts to develop the profound changes in human society brought about by the domestication of plants and animals. The development of agriculture and the resultant move from wandering hunter gatherers to settled villages has been called the great…

This unit focuses on a dramatic moment in the Renaissance from about 1420 when Filippo Brunelleschi single handedly created, defined, and engineered a new architecture by building the great dome of the cathedral of Santa Maria del Fiore in Florence. The dome became the symbol of Florence's grandeur during the Renaissance, and a model for great…