This unit is great for anyone who teaches slow changes to the Earth from weathering, erosion, and deposition. It includes many components to make this unit complete, or for you to mix and match with tried and true activities and assessments you may already have. The main topics covered in this unit are: - An overview and analogy to help students understand the difference between weathering, erosion, and deposition.- Types of weathering, how/why weathering occurs, and the changes made to rock/t