Learning Progression “A”: Nature of Matter Science Education for the Early Grades › Forums › Volume One › Learning Progression “A”: Nature of Matter This category has 64 topics, 28 replies, and was last updated 2 weeks, 3 days ago by Bernard Nebel. Forum Topics Posts Last Post Lesson A-1/B-1. Organizing Things into Catergories 8 11 11 months, 3 weeks ago Bernard Nebel Lesson A-2. Solids, Liquids, and Gases and Change with Temperature 9 15 5 months, 3 weeks ago VanSickleAcademy Lesson A-3. Air is a Substance and the Concept of the Atmosphere 6 8 11 months, 1 week ago aepstein83 Lesson A-4. Matter I: Its Particulate Nature 4 6 2 weeks, 6 days ago Bernard Nebel Lesson A-5. Distinguishing Materials 3 4 3 months, 4 weeks ago Tom Murzenski Lesson A-5A. Magnets and Magnetic Fields 4 11 2 months, 1 week ago Tom Murzenski Lesson A-6. Matter II: Air Pressure, Vacuums, and the Earth’s Atmosphere 7 9 2 weeks, 5 days ago Bernard Nebel Lesson A-7. Air: A Mixture of Gases (Mixtures and Chemical Reactions) 8 11 2 weeks, 4 days ago Bernard Nebel Lesson A-8. Matter III: Evaporation and Condensation: The Basis of Water Cycle 3 3 3 years, 6 months ago Bernard Nebel Lesson A-9. Matter IV: Dissolving, Solutions, and Crystallization 5 5 3 years, 6 months ago Bernard Nebel Lesson A-10. Rocks, Minerals, Crystals, Dirt, and Soil 7 9 2 weeks, 3 days ago Bernard Nebel