Learning Progression “D”: Earth and Space Science Science Education for the Early Grades › Forums › Volume One › Learning Progression “D”: Earth and Space Science This category has 56 topics, 17 replies, and was last updated 1 year, 2 months ago by Tom Murzenski. Forum Topics Posts Last Post Lesson D-1. Gravity I: The Earth’s Gravity; Horizontal and Vertical 6 7 1 year, 2 months ago Tom Murzenski Lesson D-2. Day and Night and the Earth’s Rotation 5 5 2 years, 2 months ago aepstein83 Lesson D-3. Reading and Drawing Maps 5 5 2 years, 2 months ago aepstein83 Lesson D-3A. North, East, South, and West 5 6 1 year, 10 months ago Bernard Nebel Lesson D-4. Land Forms and Major Biomes of the Earth 4 4 2 years, 6 months ago SciBeams5 Lesson D-5. Time and the Earth’s Turning 3 6 2 years, 2 months ago Bernard Nebel Lesson D-6. Seasonal Changes and the Earth’s Orbit 7 11 4 years, 6 months ago Bernard Nebel Lesson D-7. Gravity II: Rate of Fall; Weightlessness in Space and Distinction Between Mass and Weight 9 13 11 months, 4 weeks ago Tom Murzenski Lesson D-8. Rocks and Fossils 10 14 2 years, 6 months ago sheeb Lesson E-1. Resources: Developing an Overview 2 2 4 years, 3 months ago Bernard Nebel