Processes That Shape the Surface of the Earth Intermediate EROSION Observations: What made the marshmallow cream collect at the bottom of your Rice Krispies Mountain? What do you think might have caused the erosion of the mountains in the picture on the instruction sheet? Is erosion a slow process or a fast process? How do you know? Is erosion good or bad? What makes you think that? LAND SLIDE Observations: How are land slides and erosion alike? What’s your evidence? How are land slides and erosion different? What’s your evidence? Is a land slide a slow process or a fast process? How do you know? Are land slides good or bad? What makes you think that? FLOODS Observations: How are floods and erosion alike? What’s your evidence? How are floods and erosion alike? What’s your evidence? Are floods a slow process or a fast process? How do you know? Use evidence from your activity or the picture on the instruction page to describe how floods can be bad.