This integrated 2nd grade STEM curriculum unit is perfect for exploring the NGSS and Earth's System of Weather, Erosion, and Deposition and how to help prevent it! This fun and engaging unit is full of science investigations, engineering challenges, integrated ELA and math activities (CCSS), technology components, and a TON of other useful STEM resources! This unit will cover Next Generation Science and Engineering Standards (NGSS) 2-ESS1-1, 2-ESS2-1, K-2-EST1 With easy-to-follow lesson plans an