Where Did Matter Come from Whats Matter Newtons

Where Did Matter Come from?

What’s Matter?

Newton’s Mention DEFINITION I. “The quantity of matter is the measure of the same, arising from its density and bulk conjunctly. ” Cambridge, Trinity College May 8, 1686.

Ø Today we define matter as: § anything that has mass and § occupies space.

Types of Matter Substance Mixture l Substance Pure Matter ¡ everywhere the same - uniform composition ¡ the same makeup wherever the sample comes from – it has a Definite Composition – l Mixture Impure Matter ¡ Two or more substances mixed together ¡ Variable composition ¡ Substances can be separated by physical means

Classification of Matter Substance (pure) Element Compound Mixture (impure) Homogeneous (uniform) Atom Molecule Heterogeneous (not uniform)

l Solid l Liquid l Gas l Plasma l Einstein-Bose Condensate

Moving between Phases melting Solid Liquid freezing g zin g ori vap g n ati con den tin osi sin g dep lim sub Gas

Properties of Matter Properties Physical • density • melting point • boiling point • odor • color • hardness • solubility Chemical Reactivity

Behaviors of Matter Behavior Physical changes of state only • melting • boiling, etc. Chemical new substance(s) formed

Law of Conservation of Matter cannot be created or destroyed* (*excluding nuclear reactions, the big bang and star related reactions)