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Unit 5 Week 4: How to Prevent Erosion NGSS 2-ESS2-1 Weathering & Wr
Preventing Erosion STEM Challenge – Unit 5 Week 4 NGSS-Aligned | 2-ESS1-1 & 2-ESS2-1 | 2nd Grade Weathering & Erosion In this hands-on STEM challenge, students move from understanding erosion to thinking like engineers — designing and testing solutions to stop soil from washing away. Students investigate a real-world erosion problem (soil washing away under playground swings) and apply the engineering design process to slow, block, or redirect moving water. This week strengthens: Cause-and-eff
1st - 3rd
Earth Sciences, General Science
NGSS
2-ESS1-1
, 2-ESS2-1
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