1. Click 2. A 4th grade class is conducting an investigation to decide whether grass, rock, or soil erodes more with water. Good scientists follow the Scientific Method to conduct an experiment. Use this activity to follow each step of this process. Be sure to use what you know about weathering and erosion to help you. Use the tool to complete this activity. 3. Click the green when you have finished this activity.
This experiment is from the Missouri Department of Elementary and Secondary Education, Grade 4 Science Item Specifications (updated December 2019). https://dese.mo.gov/sites/default/files/asmt-sci-g4-item-specs-0617.pdf