These resources include (a) student-facing tools or resources that are used in multiple units, and (b) teacher-facing explanations of how to use those tools. The Three Questions (Systems and Scale, Plants, Animals, Decomposers) Three Questions student handout (colored) Three Questions student handout (colored) Three Questions student handout (gray-scale) Three Questions student handout (gray-scale) Three Questions poster The Large-scale Four Questions (Ecosystems, Human Energy Systems) Large-scale Four Questions student handout (colored) Large-scale Four Questions student handout (colored) Four Questions student handout (gray-scale) Four Questions student handout (gray-scale) Questions-Connections-Questions reading strategy (all units) Questions-Connections-Questions student prompt cards and worksheet Questions-Connections-Questions student prompt cards and worksheet Using Questions-Connections-Questions in your classroom Investigation Planning Tool Investigation Planning Tool Investigation Planning Tool Bromothymol Blue BTB Information and Instructions Handout BTB Color Handout BTB Color Handout Molecules Posters Molecule diagram Three Ways to Represent Glucose Digestion and biosynthesis posters Digestion and Biosynthesis of Carbohydrates Digestion and Biosynthesis of Protein Digestion and Biosynthesis of Fat Metabolic Pathways Poster Materials for molecular modeling Molecular Model Kits Instructions Molecular Models Placemat Molecular Models Placemat Large Forms of Energy Cards Large Forms of Energy Cards Small Forms of Energy Cards Polymers for Cutting Handout Materials for structure of cells and molecules 2.1 Zooming Into Plants, Animals, and Decomposers PowerPoint 2.1 Cells: The Building Blocks of Organisms Reading 2.1 Comparing Animals, Plants, and Decomposers Worksheet 2.2 Molecules Cells Are Made Of PowerPoint 2.2 Food Label Cards Handout 2.2 Reading Nutrition Labels Handout 2.2 Food Labels Worksheet