Learning Progression “A”: Nature of Matter Welcome to BFSU: › Forums › Volume One › Learning Progression “A”: Nature of Matter This category has 79 topics, 36 replies, and was last updated 1 month ago by insightandlearning. Forum Topics Posts Last Post Lesson A-1/B-1. Organizing Things into Catergories 10 13 1 month, 1 week ago insightandlearning Lesson A-2. Solids, Liquids, and Gases and Change with Temperature 11 21 1 month ago insightandlearning Lesson A-3. Air is a Substance and the Concept of the Atmosphere 8 11 1 month ago insightandlearning Lesson A-4. Matter I: Its Particulate Nature 6 9 8 months, 2 weeks ago Bernard Nebel Lesson A-5. Distinguishing Materials 5 7 6 months ago Bernard Nebel Lesson A-5A. Magnets and Magnetic Fields 5 13 7 months, 3 weeks ago insightandlearning Lesson A-6. Matter II: Air Pressure, Vacuums, and the Earth’s Atmosphere 8 10 8 months, 2 weeks ago Bernard Nebel Lesson A-7. Air: A Mixture of Gases (Mixtures and Chemical Reactions) 9 12 8 months, 2 weeks ago Bernard Nebel Lesson A-8. Matter III: Evaporation and Condensation: The Basis of Water Cycle 4 4 8 months, 2 weeks ago Bernard Nebel Lesson A-9. Matter IV: Dissolving, Solutions, and Crystallization 6 6 8 months, 2 weeks ago Bernard Nebel Lesson A-10. Rocks, Minerals, Crystals, Dirt, and Soil 7 9 2 years, 9 months ago Bernard Nebel