Relier Pairs Science 6B L4Version en ligne science vocab par Tawun Jack Gregory 1 homogeneous mixture 2 atom 3 matter 4 weight 5 heterogeneous mixture 6 volume 7 law of conservation of mass 8 chemical change 9 mass 10 physical properties 11 molecule 12 compound 13 element: contains one or more different atoms joined together a law stating that matter cannot be created or destroyed two or more atoms joined together the amount of matter in a substance or object and is commonly measured with a balance properties that can be observed about a substance without changing what the substance is; e.g. mass, color, volume, density, etc. contains just one type of atom mixture varies in composition in which the particles are unevenly mixed a measure of the force of gravity pulling on an object a mixture has the same composition throughout; the particles are evenly mixed : when matter changes chemically into an entirely different substance with different new properties anything that has mass and takes up space (or has volume) the amount of space matter takes up small particles that are the building blocks of matter; the smallest particle of an element that still has the element’s properties