Learning Progression “A”: Nature of Matter Science Education for the Early Grades › Forums › Volume One › Learning Progression “A”: Nature of Matter This category has 75 topics, 34 replies, and was last updated 3 weeks, 2 days ago by Bernard Nebel. Forum Topics Posts Last Post Lesson A-1/B-1. Organizing Things into Catergories 9 12 3 weeks, 2 days ago Bernard Nebel Lesson A-2. Solids, Liquids, and Gases and Change with Temperature 10 20 3 weeks, 2 days ago Bernard Nebel Lesson A-3. Air is a Substance and the Concept of the Atmosphere 7 10 3 weeks, 2 days ago Bernard Nebel Lesson A-4. Matter I: Its Particulate Nature 6 9 3 weeks, 2 days ago Bernard Nebel Lesson A-5. Distinguishing Materials 4 5 3 weeks, 2 days ago Bernard Nebel Lesson A-5A. Magnets and Magnetic Fields 5 12 3 weeks, 2 days ago Bernard Nebel Lesson A-6. Matter II: Air Pressure, Vacuums, and the Earth’s Atmosphere 8 10 3 weeks, 2 days ago Bernard Nebel Lesson A-7. Air: A Mixture of Gases (Mixtures and Chemical Reactions) 9 12 3 weeks, 2 days ago Bernard Nebel Lesson A-8. Matter III: Evaporation and Condensation: The Basis of Water Cycle 4 4 3 weeks, 2 days ago Bernard Nebel Lesson A-9. Matter IV: Dissolving, Solutions, and Crystallization 6 6 3 weeks, 2 days ago Bernard Nebel Lesson A-10. Rocks, Minerals, Crystals, Dirt, and Soil 7 9 2 years, 1 month ago Bernard Nebel