Rock Layers, Weathering, Erosion, and Soil Quiz December 19th ~20 Multiple choice questions 1. What is the Law of Superposition, the Cross-cutting Law, and the Law of Inclusions? Be able to use them to determine relative rock and fossil ages in a diagram. (Oldest to youngest is: D, A, E, B, C) 2. Why are meteorites so valuable to scientists? 3. What is weathering and what are some examples of physical and chemical weathering? 4. What is erosion and what are some ways it occurs? 5. How does soil form? 6. What are the four main parts of soil? 7. What is humus? 8. Which soil layer is most important for plant growth? Rock Layers, Weathering, Erosion, and Soil Quiz December 19th ~20 Multiple choice questions 1. What is the Law of Superposition, the Cross-cutting Law, and the Law of Inclusions? Be able to use them to determine relative rock and fossil ages in a diagram. (Oldest to youngest is: D, A, E, B, C) 2. Why are meteorites so valuable to scientists? 3. What is weathering and what are some examples of physical and chemical weathering? 4. What is erosion and what are some ways it occurs? 5. How does soil form? 6. What are the four main parts of soil? 7. What is humus? 8. Which soil layer is most important for plant growth?