This fantastic download includes everything you need for an engaging unit on prehistory. It includes 13 total resources for teaching about early humans, artifacts and archaeology, the Paleolithic and Neolithic Eras, the first human settlements, cave art, and more.
In ancient India & Tibet, it represented perfection, dualism, & unity between male & female. In the occult tarot it's linked to magic & represents equilibrium or the balance of various forces. The uroborus (a circular serpent biting its tail -- a UN symbol for "Human Settlements") has been found in this shape. In modern times, it became a secular mathematical symbol for infinity in numbers, time or space.