This page provides all possible meanings and translations of the word chemical property. chemical property(noun) a property used to characterize materials in reactions that change their identity. chemical property(Noun) Any of a material's properties that becomes evident during a chemical reaction. Chemical property. A chemical property is any of a material's properties that becomes evident during a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity.
Hunter-gatherer societies demonstrate the strongest dependence on the environment of the various types of preindustrial societies. As the basic structure of all human society until about 10,000â12,000 years ago, these groups were based around kinship or tribes. Hunter-gatherers relied on their surroundings for survivalâthey hunted wild animals and foraged for uncultivated plants for food.
Editor's Note: This is Part 8 in a 10-part LiveScience series on the origin, evolution and future of the human species and the mysteries that remain to be solved. The way humans make and use tools is perhaps what sets our species apart more than anything else. Now scientists are more and more uncovering the forces that drove our lineage to our heights of tool use â and how tool use, in turn, might have influenced our evolution. The first stone tools â the Oldowan.