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Published byDaisy Harrington Modified over 9 years ago
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Matter Anything that has MASS and takes up space
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Matter Anything that has MASS and VOLUME
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A property that does NOT involve Chemical change Physical Property
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Smell A property that does NOT involve Chemical change Physical Property
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TextureSmell
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ColorTextureSmell A property that does NOT involve Chemical change Physical Property
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Hardness ColorTextureSmell A property that does NOT involve Chemical change Physical Property
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Density Hardness ColorTextureSmell A property that does NOT involve Chemical change Physical Property
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Density VolumeMass Color
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Element A pure substance with only ONE kind of atom
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Element Diatomic (7 element) never found alone in nature Start at 7 make a 7 N 2 O 2 F 2 Cl 2 Br 2 I 2 and H 2
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Compound A pure substance with more than ONE kind of atom
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Mixture Two or more substances put together
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Physical Change
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Does not alter the chemical make-up of the material
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Physical Change
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Examples:
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Examples: Tearing,
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Physical Change Examples: Tearing,
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Physical Change Examples: Tearing, Breaking,
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Physical Change Examples: Tearing, Breaking,
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Physical Change Examples: Tearing, Breaking, Bending,
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Physical Change Examples: Tearing, Breaking, Bending,
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Physical Change Examples: Tearing, Breaking, Bending, Stretching
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Physical Change Examples: Tearing, Breaking, Bending, Stretching
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Chemical Change
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Alters the make-up of the material
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Chemical Change When the identities of substance changes and new substances are formed
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Chemical Change Examples:
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Examples: Burning,
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Chemical Change Examples: Burning,
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Chemical Change Examples: Burning, Exploding,
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Chemical Change Examples: Burning, Exploding,
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Chemical Change Examples: Burning, Exploding, Baking,
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Chemical Change Examples: Burning, Exploding, Baking,
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Chemical Change Examples: Burning, Exploding, Baking, Cooking
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Chemical Change Examples: Burning, Exploding, Baking, Cooking
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A types of matter HeterogeneousHomogenous PureSubstance Homogenous Mixture Heterogeneous Mixture Element Compound solution Solute + solvent
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Separation Techniques Settling Filtration Evaporation Crystallization Distillation Separating funnel Magnetism Paper chromatography Decanting **You will write these definitions on your practice problems, not in your notebook as key concepts
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Settling Used to separate substances with different weights
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Filtration Used to separate immiscible solids from liquids
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Evaporation Separate dissolved solids from liquids
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Slow formation of a solid from a warm solution that is cooled Crystallization
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Distillation Used to separate 2 miscible liquids Miscible = MixM&M It is made possible due to the fact that each liquid has its unique boiling point.
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Separating Funnel Used to separate two immiscible liquids with different densities
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Magnetism Used to separate solids from one another based upon differences in their magnetic properties
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Paper Chromatography Used to separate soluble substances from one another based upon differences in retention rates as a solvent moves over paper.
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Decanting Used to separate an insoluble solid from a liquid by carefully pouring off the liquid. Based upon differences in density
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When will I ever use this?? Scientists use different separation techniques every day –Isolating drugs from blood and urine –Panning for gold –Mining purification
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