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Gas assumes the shape and volume of its container particles can move past one another compressible -lots of free space between particles flows easily particles can move past one another Liquid assumes the shape of the part of the container which it occupies particles can move/slide past one another not easily compressible little free space between particles flows easily particles can move/slide past one another Solid retains a fixed volume and shape rigid - particles locked into place not easily compressible little free space between particles does not flow easily rigid - particles cannot move/slide past one another
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ObjectivesObjectives
SWBAT differentiate between SWBAT differentiate between classifications of matter.classifications of matter.
SWBAT describe and choose appropriate SWBAT describe and choose appropriate separation techniques.separation techniques.
Substance vs MixtureSubstance vs Mixture Classify the following as a substance or mixture.Classify the following as a substance or mixture.
ChlorineChlorine WaterWater SoilSoil Sugar waterSugar water OxygenOxygen Carbon dioxideCarbon dioxide Rocky road ice creamRocky road ice cream AlcoholAlcohol Pure airPure air ironiron
Gas
assumes the shape and volume of its container
particles can move past one another
compressible -lots of free space between particles
flows easily particles can move past one another
Liquid
assumes the shape of the part of the container which it occupies
particles can move/slide past one another
not easily compressible little free space between particles
flows easily particles can move/slide past one another
Solid
retains a fixed volume and shape rigid - particles locked into place
not easily compressible little free space between particles
does not flow easily rigid - particles cannot move/slide past one another
Draw a diagram of:Draw a diagram of: a solid and gas in a closed flask, a solid and gas in a closed flask, a liquid and solid in a closed flask,a liquid and solid in a closed flask, a solid, liquid and gas together in a closed a solid, liquid and gas together in a closed
flask.flask.
Classification of MatterClassification of Matter
Next, you will complete a Classification of Next, you will complete a Classification of Matter graphic organizer.Matter graphic organizer.
MatterMatterHas mass and Takes up space
Can only be Separated Chemically, uniform and definite composition
Can be separatedPhysically, not definitecomposition
cannot be Separated intoSimpler substance
Contains two Or more elements
Uniform throughout
Not uniformthroughout
States of MatterStates of Matter
Deposition
Physical SeparationsPhysical Separations
Predict how to separate each of the Predict how to separate each of the following heterogeneous mixtures:following heterogeneous mixtures: Salt and pepperSalt and pepper Sand and iron filingsSand and iron filings Mud (dirt from the water)Mud (dirt from the water) Fruit salad (the different types of fruit)Fruit salad (the different types of fruit)
Physical Separations (cont’d)Physical Separations (cont’d)
FiltrationFiltration EvaporationEvaporation CentrifugationCentrifugation CrystallizationCrystallization DistillationDistillation ChromatographyChromatography DecantationDecantation
DistillationDistillation
Chemical SeparationsChemical Separations
ElectrolysisElectrolysis Chemical ReactionsChemical Reactions DecompositionDecomposition
ElectrolysisElectrolysis