MatterMatter

Has Mass and Has Mass and Takes Up SpaceTakes Up Space

MixtureMixture Varying composition Varying composition Not Chemically Not Chemically Combined Combined Retain properties of Retain properties of original substanceoriginal substance Separate by Separate by physical means physical means

MixtureMixture

HomogeneousHomogeneousUniform throughoutUniform throughout

Examples:Examples:

ice teaice tea

stainless steelstainless steel

brassbrass

jar of peanutsjar of peanuts

gold jewelrygold jewelry

Homogeneous SolutionsHomogeneous SolutionsSolutionSolutionMixture in which particles are so Mixture in which particles are so

small they cannot be seen and will small they cannot be seen and will not settle to the bottom of their not settle to the bottom of their container.container.

Examples:Examples:

ice teaice tea

WindexWindex

Kool-AidKool-Aid

Coca ColaCoca Cola

vinegarvinegar

MixtureMixture

HeterogeneousHeterogeneous Not Uniform throughoutNot Uniform throughout

Examples:Examples:

trail mixtrail mix

concreteconcrete

dirtdirt

woodwood

milkmilk

Heterogeneous Colloids and Heterogeneous Colloids and SuspensionsSuspensions

ColloidColloidMixture in which a beam Mixture in which a beam of light can be seen as it of light can be seen as it passes throughpasses through

Examples:Examples:

FogFog

MilkMilk

gelatingelatin

SuspensionSuspension Liquid heterogeneous Liquid heterogeneous

mixture in which visible mixture in which visible particles settleparticles settle

Examples:Examples:

muddy watermuddy water

Pepto BismolPepto Bismol

chocolate in milkchocolate in milk

Pure SubstancePure Substance

Constant Constant compositioncomposition

Chemically Chemically CombinedCombined

Separated Separated by chemical by chemical meansmeans

Pure SubstancesPure Substances

Elements Elements – made of one type of atom– made of one type of atom

Pure SubstancePure Substance

CompoundsCompounds – fixed proportion of 2 or – fixed proportion of 2 or more elementsmore elements

Physical PropertiesPhysical Propertiescan be observed without changing can be observed without changing the composition of the substancethe composition of the substance

Physical Property Physical Property & Means of Separation& Means of Separation

viscosityviscosity (fluidity) (fluidity) ex. syrup v. waterex. syrup v. wateruse use decantingdecanting to separate to separate

Physical Property Physical Property & Means of Separation& Means of Separation

conductivityconductivity ex. metal v. plasticex. metal v. plasticuse electric charge to separateuse electric charge to separate

Physical Property Physical Property & Means of Separation& Means of Separation

densitydensity – ex. bowling ball v. basket ball– ex. bowling ball v. basket ball use use decanting & chromatographydecanting & chromatography to to separateseparate

Physical Property Physical Property & Means of Separation& Means of Separation

solubilitysolubility – ex. sugar v. pepper – ex. sugar v. pepper use use dissolving & evaporationdissolving & evaporation to separate to separate

Physical Property Physical Property & Means of Separation& Means of Separation

magnetismmagnetism – ex. iron v. wood – ex. iron v. wood use use magnetic separationmagnetic separation to separate to separate

Physical Physical Property Property

& Means of & Means of SeparationSeparation

melting/melting/boiling boiling pointpoint

ex. ex. water v. copperwater v. copperuse use distillationdistillation to to separateseparate

Physical Property Physical Property & Means of Separation& Means of Separation

particle sizeparticle size – ex. Sand v. boulders – ex. Sand v. boulders use use filtering or screeningfiltering or screening to separate to separate

Chemical PropertyChemical Property

If a substance will or will not undergo a If a substance will or will not undergo a change that will alter the composition of change that will alter the composition of the original substance.the original substance.

Chemical PropertiesChemical Properties

Combustibility/FlammabilityCombustibility/Flammabilityhow easily a substance will burnhow easily a substance will burn

Chemical PropertyChemical Property

OxidationOxidation - Combines with Oxygen - Combines with Oxygenex. Iron rustingex. Iron rusting

Chemical PropertyChemical Property

CorrodeCorrode - to deteriorate due to the action - to deteriorate due to the action of water, air, or an acid of water, air, or an acid

Chemical PropertyChemical Property

DecompositionDecomposition – a compound broken into – a compound broken into its elementsits elementsex. Hydrogen peroxide to water & hydrogenex. Hydrogen peroxide to water & hydrogen

Chemical PropertiesChemical Properties

React with AcidsReact with Acidsex. Copper with nitric acidex. Copper with nitric acid

Chemical PropertyChemical Property

Non-reactiveNon-reactiveex. Gold, noble gasesex. Gold, noble gases