What Properties Describes matter? Describing Matter What Properties Describes matter?

Substance It is pure, has a specific make up or composition. Compounds and elements are pure substances. It is pure, has a specific make up or composition. Example: Water is a pure substance: It is a compound Molecular formula H20 always the same

Physical Properties of Matter A physical property of a substance can be observed without changing it into another substance. Hardness * Melting Point Texture *Freezing Point Color Temperature Solid, liquid, gas

Physical Properties of metal Luster – ability to shine Ductility – can be shaped into a thin wire Malleability – can be shaped into a flat surface Conductivity – ability to transfer heat and electricity Magnetism – attracted to magnets

Chemical Properties A chemical property will be observed when a substance changes into another substance Example of chemical properties Flammability Reactivity Ability to rust combustion

Sodium combustion with water http://www.youtube.com/watch?v=MTcgo46nxNE