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Classification of Matter Activity and Notes

Classification of Matter Activity and Notes. Objective Today I will be able to: Apply knowledge of the intro to chemistry unit to an exam review Differentiate between elements, compounds and mixtures by completing a close reading

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Classification of Matter Activity and Notes

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  1. Classification of Matter Activity and Notes

  2. Objective • Today I will be able to: • Apply knowledge of the intro to chemistry unit to an exam review • Differentiate between elements, compounds and mixtures by completing a close reading • Differentiate between a element, compound, homogeneous or heterogeneous mixture • Informal assessment – monitor student interactions as they complete the practice • Formal assessment – analyze student responses to the exit ticket and concept maps • Common core connection • Build Strong Content Knowledge • Value Evidence • Reason abstractly and quantitatively

  3. Lesson Sequence • Evaluate: Warm-up • Evaluate: Exam Review Activity • Explain: Element, compound mixture close reading • Explain: Classification of Matter Notes • Elaborate: Element, Compound Mixture Practice • Evaluate: Exit Ticket

  4. Dimensional Analysis the Crazy Way Warm Up1 terrier = ______ kangaroos These are your conversion factors: 1 terrier = 4 hippos 17 hippos = 2 kangaroos

  5. 925 bears = _______ terriers 1 terrier = 4 hippos 4 hamsters = 6 bears 17 hippos = 2 kangaroos 2 hamsters = 3 kangaroos

  6. 4031 pickles = _____ funnel cake 32 funnel cakes = 4 corn dogs 980 pickles = 1 cotton candy 96 cotton candy = 55 corn dogs

  7. Objective • Today I will be able to: • Apply knowledge of the intro to chemistry unit to an exam review • Differentiate between elements, compounds and mixtures by completing a close reading • Differentiate between a element, compound, homogeneous or heterogeneous mixture

  8. Homework • Study for Quest!

  9. Agenda • Warm-up • Exam Review Activity • Element, compound mixture close reading • Classification of Matter Notes • Element, Compound, Mixture Practice • Exit Ticket

  10. Review Activity • Write one question for each topic on the exam • Lab Safety • Accuracy and Precision • Scientific Notation (Calc) • Sig Figs (Calc) • Dimensional Analysis (Calc) • Make an answer key on a separate sheet of paper • Trade and take a partner’s quiz

  11. Element, Compound, Mixtures Close Reading Use the textbooks in the classroom to complete the worksheet

  12. Draw this chart on a piece of notebook paper

  13. Classification of Matter Notes

  14. Matter Pure Substance Mixtures Elements Compounds Homogeneous Heterogeneous Classification of Matter Notes

  15. Mixtures

  16. Mixtures • Two or more substances together which are NOT chemically combined • Properties - Substances keep separate identities and properties - Substances may be present in any amount - Substances can be separated by simple physical means (filtering, magnet, etc)

  17. Mixtures • Heterogeneous - not the same throughout (trail mix, bird seed) - Particles are large enough to be seen - Mixtures separate on standing

  18. Mixtures • Homogeneous - the same throughout (salt water) - Particles are small and not easily recognized – uniform mixture of particles - Does not settle on standing

  19. Mixtures • Solution – example of a homogeneous mixture - one substance dissolved in another (lemonade, ocean water, gold jewelry) - Particles are very small and evenly spread out - Cannot be separated by simple physical means

  20. Ways to Separate Mixtures • Filtration • Evaporation • Chromatography • Distillation

  21. Pure Substances

  22. Elements • Pure substance that cannot be broken down into simpler substances by ordinary chemical means (Iron, Copper, Tungsten)

  23. Elements • All matter is composed of elements • Have definite properties • Made up of one type of atom • Periodic Table organizes elements according to their properties

  24. Compounds • Two or more different elements combine in a chemical reaction • New substances with new properties are formed • Elements combine in fixed proportions - water (H2O) always has two hydrogen atoms and one oxygen atom

  25. Compounds • Examples of Fixed Proportions • C3H7OH - Propanol - 3 carbon, 8 hydrogen, 1 oxygen • (NH4)2O – Ammonium Oxide - 2 nitrogen, 8 hydrogen, 1 oxygen

  26. Compounds • Two elements = binary compound (CO2) • Three elements = ternary compound (C6H12O6)

  27. Element Compound Mixture Practice Complete the practice at your desk. Problems not completed in class will be completed for HW

  28. Exit Ticket • Convert the temperatures to Kelvin (K) • 0 oC • -15 oC • 25 oC • Convert the temperatures to Celsius (oC) • 236 K • 325 K • 271 K

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