TEXT: Wilbraham, Staley, Matta, & Waterman: PRENTICE HALL CHEMISTRY
| WEEKS | _ LECTURE AND LABORATORY TOPICS _ | |
| | GRADE 8 - - INORGANIC CHEMISTRY | |
| Weeks 1-3 | REVIEW OF GRADE 7 CHEMISTRY, including practice problems on nomenclature, molecular weight calculations, etc. QUIZ | |
| Week 4-5. | Chemical reactions. Types of reactions: combinations, separations, single replacement, double replacement. Activity series. (Chapter 11) REVIEW. QUIZ LAB 8A. Examples of chemical reactions (some as demonstrations) | |
| Week 6-8. | Writing balanced equations. Reversible reactions; reactions that go to completion. QUIZ | |
| Week 9. | Systematic chemistry: hydrogen
and its compounds.
(Appendix A, R38-39)
LAB 8B. Generating hydrogen (using acid + zinc) REVIEW. | |
| Week 10. | Systematic chemistry: group 1 metals. (Appendix A, R6-9) QUIZ | |
| Weeks 11-13. | Chemical calculations. Conservation of matter.
Stoichiometry.
(Chapter 12)
LAB 8C. Generating and measuring oxygen. QUIZ | |
| Weeks 14-15. | Stoichiometry problems. REVIEW. FULL-PERIOD TEST | |
| Week 16-17. | Atomic structure and electron configurations reviewed again: s, p, and d orbitals and transition elements. (Chapter 5) REVIEW. QUIZ | |
| Weeks 18-19. | Systematic chemistry: metals
in general. Metallic alloys. Compounds of metallic elements.
Extraction of metals from ores ("reduction" in the original sense).
Importance in ancient history (bronze age, iron age, etc.).
Possible field trip to Saugus Iron Works. Possible metallurgy lab. (Appendix A, R10-17, R40-45) REVIEW. QUIZ | |
| Weeks 20-21. | Review: states of matter.
Gases and gas laws: Boyle's, Charles', PV/T.
(Chapter 13) REVIEW.
LAB 8D. Gas laws. QUIZ | |
| Weeks 22-24. | Molar gas volume (22.4 L). PV=nRT. Reactions involving gases as reactants or products. Stoichiometry with gases. (Chapter 14) REVIEW. LAB 8E, 8F. Possible labs include: Generating CO2; Electrolysis of water Calculating water of hydration by weight; Precipitation reactions and solubilities. QUIZ | |
| Week 25. | Systematic chemistry: oxygen, sulfur, and their compounds. (Appendix A, R28-31) REVIEW. QUIZ | |
| Week 26. | Water and liquids in general. Water of hydration. (Chapter 15) | |
| Weeks 27-28. | Solutions (homogeneous mixtures);
solubility. Colligative properties.
(Chapter 16) REVIEW.
LAB 8G (long) Purifying water by distillation. Public demonstration to run all morning. Impurities can include cornstarch, sugar, salt, methylene blue. During their next lab period, students can test both the initial impure solution and the distillate. QUIZ | |
| Week 29-31. | Molarity. Calculating dilutions. LAB 8H. Calculating dilutions. QUIZ | |
| Week 32. | Catch-up week and REVIEW. FINAL EXAM | |
| Weeks 33-34. | Review of exam. Time available for field trip.
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NOTES ON LABORATORY EXERCISES:
Chemistry and Biology will have double periods scheduled once a week to permit two-period labs in each subject, as needed.