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American Chemical Society, Chemistry for Life ® Middle School Chemistry
  • Lesson Plans
    • Chapter 1 :  Matter—Solids, Liquids, and Gases
      • 1.1: Molecules Matter
      • 1.2: Molecules in Motion
      • 1.3: The Ups and Downs of Thermometers
      • 1.4: Moving Molecules in a Solid
      • 1.5: Air, It’s Really There
    • Chapter 2 :  Changes of State
      • 2.1: Heat, Temperature, and Conduction
      • 2.2: Changing State—Evaporation
      • 2.3: Changing State—Condensation
      • 2.4: Changing State—Freezing
      • 2.5: Changing State—Melting
    • Chapter 3 :  Density
      • 3.1: What is Density?
      • 3.2: Finding Volume: The Water Displacement Method
      • 3.3: Density of Water
      • 3.4: Density: Sink and Float for Solids
      • 3.5: Density: Sink and Float for Liquids
      • 3.6: Temperature Affects Density
    • Chapter 4 :  The Periodic Table & Bonding
      • 4.1: Protons, Neutrons, and Electrons
      • 4.2: The Periodic Table
      • 4.3: The Periodic Table and Energy-Level Models
      • 4.4: Energy Levels, Electrons, and Covalent Bonding
      • 4.5: Energy Levels, Electrons, and Ionic Bonding
    • Chapter 5 :  The Water Molecule and Dissolving
      • 5.1: Water is a Polar Molecule
      • 5.2: Surface Tension
      • 5.3: Why Does Water Dissolve Salt?
      • 5.4: Why Does Water Dissolve Sugar?
      • 5.5: Using Dissolving to Identify an Unknown
      • 5.6: Does Temperature Affect Dissolving?
      • 5.7: Can Liquids Dissolve in Water?
      • 5.8: Can Gases Dissolve in Water?
      • 5.9: Temperature Changes in Dissolving
    • Chapter 6 :  Chemical Change
      • 6.1: What is a Chemical Reaction?
      • 6.2: Controlling the Amount of Products in a Chemical Reaction
      • 6.3: Forming a Precipitate
      • 6.4: Temperature and the Rate of a Chemical Reaction
      • 6.5: A Catalyst and the Rate of Reaction
      • 6.6: Using Chemical Change to Identify an Unknown
      • 6.7: Energy Changes in Chemical Reactions
      • 6.8: pH and Color Change
      • 6.9: Neutralizing Acids and Bases
      • 6.10: Carbon Dioxide Can Make a Solution Acidic
      • 6.11: Project Based Lessons: Chemical Reactions & Engineering Design
      • 6.12: Project Based Lessons: Natural Resources & Synthetic Materials
  • Simulations & Videos
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