Strengthen students' understanding of the engineering design cycle with this NGSS-aligned Grade 9 Testing and Refining Engineering Designs Quiz. This assessment is built around HS-ETS1-3, focusing on how engineers use iterative testing, data, and collaboration to improve real-world design solutions. Perfect for both print and digital delivery, this resource is ideal for formative assessment, class reviews, sub plans, or homework—offering flexibility and deep science content. ✅ Google Fo