The following questions should be completed after all the texts have been read and the questions for all the texts have
been answered.
Questions for the Text Set:
1. Sandstone, Obsidian, and Deformed Conglomerate do not look the same. Which of these three rocks has a black, glassy appearance?
2. Contrast the formation of Sandstone, Obsidian, and Deformed Conglomerate. Support your answer with information from the interviews.
3. Why might the appearance of Sandstone, Obsidian, and Deformed Conglomerate be different? Support your answer with evidence from the interviews.
4. What might a person be able to conclude about the formation of a rock based on the rock’s appearance? Support your answer with evidence from the interviews.