Matching Pairs Topic 1 Vocab - 6th GradeOnline version Vocab by Jordan Redford 1 Homogeneous Mixture 2 Substance 3 Temperature 4 Chemical Properties 5 Mass 6 Physical Change 7 Elements 8 Compound 9 Matter 10 Distillation 11 Density 12 Mixture 13 Thermal Energy 14 Molecule 15 Atom 16 Law of Conservation of Mass 17 Physical Property 18 Heterogeneous Mixture 19 Chemical Change 20 Volume 21 Weight a change in matter that produces one or more new substances a group of two or more atoms held together by chemical bonds the basic unit from which all matter is made A mixture that is difficult or impossible to separate a measure of the mass of a material in a given volume made up of two or more substances that are together in the same place, but their atoms are not chemically bonded the amount of matter in an object substances that are made up of only one type of atom separating liquids by boiling them the fact that matter is not created or destroyed in any chemical or physical change a measure of how hot or cold something is a single kind of matter that always has a specific makeup, or composition anything that has mass and takes up space characteristics that describe something's ability to become something else the amount of space that matter occupies a mixture that can be easily separated alters the form or appearance of matter but does not turn any substance in the matter into a different substance a characteristic that can be observed without changing the matter into another type of matter the total energy of the motion of all the particles in an object. It naturally flows from warmer matter to cooler matter. a substance made of two or more elements that are chemically combined in a set ratio a measure of the force of gravity on an object