Relier Pairs Physical and Chemical ChangesVersion en ligne Study material over physical and chemical changes. par Cambria Crabtree 1 Light, heat, sound 2 Flame appears 3 Physical change example from a chemical equation 4 Chemical change example from a chemical equation 5 Solid 6 Density, boiling point, melting point, solubility 7 Elements, soil, gases, air, celestial objects 8 Physical change 9 Gas 10 Chemical change 11 Liquid Does not re-arrange the atoms or break bonds. Chemical property Particles are far apart, fills the space the gas is in, particles move around freely Breaks bonds and forms new substances. Particles vibrate, particles tightly packed together, holds shape, particles lock in position. A + Z --> A + Z Examples of energy Physical Properties of matter Particles are close together, takes shape of the container, particles slide past each other. Examples of matter X + Y --> XY