Conservation of Mass VocabVersion en ligne Practice the Vocab from this unit! par Sarah Bruhl 1 Group 1 2 Group 2 3 Group 3 4 Group 4 5 Group 5 the scientific observation that matter cannot be created or destroyed Law of Conservation of Matter Law a statement that describes something that has been repeatedly observed through experimentation A set of related parts that make up a whole System Open System a system without a boundary between the system and its environment; the parts of the system may interact with other systems Closed System a system with a clearly defined boundary between the system and the environment; matter cannot move in and out of this boundary.
Créer jeu