Middle School Chemistry: Big Ideas about the Very Small is a FREE middle school unit provided by the American Chemical Society. You can download all six chapters:
- Changes of State
- The Periodic Table & Bonding
- The Water Molecule & Dissolving
- Chemical Change
Each chapter has multiple lessons supported with activity sheets and online visualizations/interactives. You can download the entire unit or individual chapters and lessons.
Potential Uses: this resource could provide activities to supplement existing instructional materials.