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Matter Class #1

Matter Class #1. OB: We will determine what matter is, what are the phases of matter, and describe physical properties of matter. We’ll also cover lots of vocabulary that you MUST MASTER ASAP (put it on a leash!). Matter – All matter is in one of these 3 “states” or phases: A. B. C.

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Matter Class #1

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  1. Matter Class #1 OB: We will determine what matter is, what are the phases of matter, and describe physical properties of matter. We’ll also cover lots of vocabulary that you MUST MASTER ASAP (put it on a leash!)

  2. Matter – All matter is in one of these 3 “states” or phases: A. B. C. Examples for each phase include…

  3. Matter – anything that takes up space and has mass All matter is in one of these 3 “states” or phases: A. Solids – ice, iron, table salt B. Liquids – water, mercury, melted copper C. Gases – steam, air, helium, oxygen

  4. Physical Properties of Matter Qualities that can be measured without changing the substance. These properties are CONSTANT and MEASURABLE by you. Examples would include…

  5. Physical Properties of Matter Qualities that can be measured without changing the substance. These properties are CONSTANT and MEASURABLE by you. Examples would include… Density, boiling point, freezing point, hardness, magnetic attraction (or not), solubility in water or other solvents, phase (S, L, G)

  6. Changing PHASES what are they called? SOLID LIQUID GAS

  7. Changing PHASES what are they called? SOLID LIQUID GAS • VAPORIZING MELTING • FREEZING • CONDENSING SUBLIMATION • DEPOSITION

  8. Get up, time for a neat demo Iodine, the element, which is a solid at normal temperature, will be made to sublimate into iodine gas, without becoming a liquid first.

  9. MIXTURES Mixtures are… The properties of the stuff in the mixtures… If they are the same throughout = If they are not the same throughout= Mixture phases and examples…

  10. MIXTURES Mixtures are just physical blends of substances. They do not become CHEMICALLY bonded together into new substances. The properties of the stuff in the mixtures stays constant, no new properties form. If they are the same throughout = HOMOGENEOUS If they are not the same throughout = HETEROGENEOUS Mixture phases and examples LIQUIDS, SOLIDS, GASES AND AQUEOUS*

  11. Mixture examples… The same throughout, or HOMOGENOUS: salty water, sugar water, the air in a balloon, steel (a mixture of iron and carbon), chocolate milk, tinted paint, etc. Not the same throughout, or HETEROGENOUS: sand in water, a jar of nickels and dimes, sugar and salt, ground up iron in ground up copper, tossed salad (my lunch!)

  12. aqueous? When something like table salt is dissolved into water, or sugar into coffee, the substances are mixed together. The solid salt, or solid sugar “disappears” into the liquid. These substances are mixed, and although the solid is “gone”, it’s not. The phase that this takes is called aqueous, or (AQ) aqueous: when a solid is dissolved into water. Pure substances are either S, L, or G. Mixtures can be AQ as well.

  13. There is no written homework, READ the Matter Diary Tonight. No Kidding.

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