STEM Backyard

Phase Change of Matter Activity – Identify, Illustrate & Explain!This engaging and interactive worksheet helps students deepen their understanding of how matter changes from one phase to another. Learners will explore six major phase changes and demonstrate their knowledge through examples, identification, and particle-diagram illustrations. Students will: ✔ Identify and write one real-world example for each phase change ✔ Determine the phases involved (e.g., solid → liquid) ✔ Draw particl

Density Quiz: Mass, Volume, and Particle Diagrams – 15-Item Assessment This ready-to-use 15-question density quiz is perfect for assessing students’ understanding of mass, volume, density calculations, and particle diagram interpretation. Designed with clear, student-friendly multiple-choice questions, this quiz supports both review and mastery checks in physical science or introductory chemistry units. ✔ What’s Included: 15 multiple-choice questions Covers density formula, calculations, conce