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