Poster with Activity Guide

From the rhythmic beat of a hummingbird's wings to the monthly appearance of the full moon, nearly everything in nature is cyclical. This full-color, double-sided wall poster explores human cycles, cycles and civilization, and much more. A spectrum shows which cycles repeat with a known frequency in the human, physical, and mechanical worlds, as well as in the world of animals and plants. An Activity Guide, particularly suitable for middle grades, offers ideas for experimentation.

Full color, 26" x 38"