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Appears in modules:

• An Elegant Experiment to Test the Process of DNA Replication The work of Meselsohn and Stahl
• Atmospheric Chemistry Research that Changed Global Policy The work of Mario Molina
• Atomic Theory I Detecting electrons and the nucleus
• Atomic Theory II Ions, neutrons, isotopes and quantum theory
• Atomic Theory III Wave-particle duality and the electron
• Atomic Theory IV Quantum numbers and orbitals
• Carbohydrates Simple sugars and complex carbohydrates
• Carbon Chemistry Simple hydrocarbons, isomers, and functional groups
• Chemical Bonding Ionic and covalent bonds and polarity
• Chemical Equations Using shorthand to show balanced reactions
• Chemical Reactions Types of reactions and the laws that govern them
• Defining Energy Forms of energy, conversions, and measuring
• Defining Minerals Composition and crystal structure
• Density and Buoyancy Definitions and units
• Diffusion I Random molecular movement and influences on diffusion rate
• DNA I The genetic material
• DNA II The structure of DNA
• Early Ideas about Matter From Democritus to Dalton
• Earth's Atmosphere Composition, temperature, and pressure
• Energy Metabolism I Glycolosis and the Krebs cycle
• Energy Metabolism II The Generation of ATP
• Fats and Proteins Structure and function of essential nutrients
• Franklin Chang Díaz Propulsion pioneer for future generations of astronauts
• Gene Expression Enzymes and hereditary conditions
• History of Earth's Atmosphere I The origin of the modern atmosphere
• History of Earth's Atmosphere II The rise of atmospheric oxygen
• Lipids Composition, structure, and function
• Membranes I Structure and function of biological membranes
• Modeling in Scientific Research Simplifying a system to make predictions
• Nuclear Chemistry Radiation, half-life, and nuclear reactions
• Nuclear Chemistry I Radiation, half-life, and nuclear reactions
• Origins of Life I Early ideas and experiments
• Origins of Life II Primeval environments and the origins of RNA
• Percy Lavon Julian Revolutionizing medical treatment through chemical synthesis
• Photosynthesis I Harnessing the energy of the sun
• Properties of Gases The gas laws and the ideal gas equation
• Properties of Liquids Intermolecular forces, cohesion, adhesion, and viscosity
• Properties of Solids The influence of crystal structure on behavior
• Scientific Ethics Ethical standards and their implications
• Scientific Notation Working with orders of magnitude
• Solutions Molarity, solubility, and colligative properties
• States of Matter Kinetic molecular theory and phase transitions
• Substances Pure substances and mixtures
• The Nitrogen Cycle Of microbes and men
• The Periodic Table of Elements I The periodic table
• The Periodic Table of Elements IV Chemical families
• The Periodic Table of Elements V Periodicity
• The Phosphorus Cycle Phosphates and fertilizer
• The Silicate Minerals The silica tetrahedron and Earth's most common minerals
• Using Graphs and Visual Data in Science Reading and interpreting graphs
• Water Properties and behavior