(s) Students will: Learn about the types of deposits produced by volcanic processes Learn about the law of superposition Apply knowledge of geologic processes to create and interpret a model Measure and record data to create a stratigraphic column Procedure Part 1 - What to do before class begins: Collect items. See "Shoebox Geologist Recipes" worksheet for a list of items to collect and description of what volcanic deposits they represent. Assemble each type of rock material in a bucket or in bags. Label your materials for easy access and identification by students- tephra, lahar, forest floo