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Core Disciplines
Here are the most popular resources this week:
| Resource | Views* | Quick Launch | |
|---|---|---|---|
| 1 | VLab: Density | 5,281 | Try Now |
| 2 | Carbohydrates: Structures & Functions | 4,339 | Try Now |
| 3 | VLab: Atomic Structure | 4,132 | Try Now |
| 4 | VLab: Stream Ecology | 3,455 | Try Now |
| 5 | Plant Growth & Development | 2,943 | Try Now |
| 6 | The Rock Cycle | 2,847 | Try Now |
| 7 | VLab: Enzymes | 2,792 | Try Now |
| 8 | VLab: Membranes | 2,525 | Try Now |
| 9 | The Water Cycle | 2,385 | Try Now |
| 10 | VLab: Carbon Cycle | 2,137 | Try Now |
| 11 | VLab: Photosynthesis | 2,089 | Try Now |
| 12 | Sexual & Asexual Reproduction | 2,055 | Try Now |
| 13 | Properties of Elements | 1,959 | Try Now |
| 14 | VLab: Linear Motion | 1,943 | Try Now |
| 15 | VLab: Cell Division | 1,555 | Try Now |
| 16 | VLab: Evidence for Plate Tectonics | 1,444 | Try Now |
| 17 | Natural Resources: Petroleum | 1,408 | Try Now |
| 18 | VLab: Seasons | 1,402 | Try Now |
| 19 | VLab: Electron Transitions | 1,019 | Try Now |
| 20 | VLab: Mendelian Genetics | 987 | Try Now |
| 21 | VLab: Eclipses | 960 | Try Now |
| 22 | Predator-prey Relationships | 947 | Try Now |
| 23 | Introduction to Mitosis & Meiosis | 920 | Try Now |
| 24 | VLab: Free Fall | 910 | Try Now |
| 25 | Chemical Nomenclature | 895 | Try Now |
| 26 | Human Population Growth | 860 | Try Now |
| 27 | Plant Reproduction | 848 | Try Now |
| 28 | Solutions, Suspensions & Colloids | 787 | Try Now |
| 29 | Organelle Functions | 778 | Try Now |
| 30 | Earth's Interior | 769 | Try Now |
| 31 | VLab: Precipitation Reactions | 737 | Try Now |
| 32 | Cell Sizes | 699 | Try Now |
| 33 | Sex-linked Traits | 697 | Try Now |
| 34 | Causes & Effects of Ocean Currents | 650 | Try Now |
| 35 | Definitions of Acids & Bases | 649 | Try Now |
| 36 | VLab: Solution Properties | 645 | Try Now |
| 37 | Lewis Electron Dot Structures | 641 | Try Now |
| 38 | Symbiotic Relationships | 641 | Try Now |
| 39 | Volcano Formation | 632 | Try Now |
| 40 | Ionic & Covalent Bonds | 611 | Try Now |
| 41 | VLab: Geologic Time | 610 | Try Now |
| 42 | Protein Structure | 590 | Try Now |
| 43 | Melting Points & Boiling Points | 578 | Try Now |
| 44 | VLab: Wave Properties | 576 | Try Now |
| 45 | VLab: DNA Replication | 574 | Try Now |
| 46 | VLab: Microevolution | 567 | Try Now |
| 47 | VLab: Kinetic & Potential Energy | 562 | Try Now |
| 48 | VLab: Tides | 557 | Try Now |
| 49 | VLab: Planetary Motion | 555 | Try Now |
| 50 | Net Forces & Newton's Second Law | 540 | Try Now |
| 51 | VLab: Chemical Equations | 536 | Try Now |
| 52 | Energy Flow in Ecosystems | 530 | Try Now |
| 53 | Evidence for Evolution | 517 | Try Now |
| 54 | Analyzing Your Nutrient Intake | 509 | Try Now |
| 55 | Force Diagrams | 505 | Try Now |
| 56 | Constant Acceleration | 504 | Try Now |
| 57 | Kinematic Equations | 492 | Try Now |
| 58 | Phase Diagrams | 474 | Try Now |
| 59 | VLab: Gas Laws | 471 | Try Now |
| 60 | Nuclear Reactions | 470 | Try Now |
| 61 | The Human Body: Systems | 450 | Try Now |
| 62 | VLab: Disease Dynamics | 450 | Try Now |
| 63 | Energy Conversions: KE & PE | 446 | Try Now |
| 64 | VLab: Acid-Base Chemistry (Titrations) | 442 | Try Now |
| 65 | Elements: Chemical & Physical Properties | 435 | Try Now |
| 66 | Periodic Properties | 416 | Try Now |
| 67 | Fetal Development | 414 | Try Now |
| 68 | VLab: Modern Taxonomy | 407 | Try Now |
| 69 | VLab: Properties of Stars | 378 | Try Now |
| 70 | Structure & Properties of Water | 364 | Try Now |
| 71 | Charles Darwin and Evolution by Natural Selection | 359 | Try Now |
| 72 | Genetic Research & Molecular Medicine | 354 | Try Now |
| 73 | VLab: Circuits | 353 | Try Now |
| 74 | Punnett Squares | 336 | Try Now |
| 75 | Exploring an Ecological Address | 327 | Try Now |
| 76 | Stellar Evolution | 324 | Try Now |
| 77 | Life: Scientific Discoveries | 313 | Try Now |
| 78 | The Immune System | 291 | Try Now |
| 79 | Circular Motion | 282 | Try Now |
| 80 | Glycolysis | 277 | Try Now |
| 81 | Rock Classifications | 272 | Try Now |
| 82 | VLab: Limiting Reactants | 270 | Try Now |
| 83 | Exploring Taxonomic Groups | 267 | Try Now |
| 84 | Earthquakes & Volcanoes: Patterns of Fury | 266 | Try Now |
| 85 | The Evolution of Atomic Theory | 266 | Try Now |
| 86 | Lab: Cell Differentiation | 264 | Try Now |
| 87 | Viruses | 261 | Try Now |
| 88 | VLab: Measures of Concentration | 259 | Try Now |
| 89 | VLab: Calorimetry | 259 | Try Now |
| 90 | Empirical & Molecular Formulas | 250 | Try Now |
| 91 | Lab: Microscopy | 248 | Try Now |
| 92 | Neurons & Action Potentials | 247 | Try Now |
| 93 | The Doppler Effect | 234 | Try Now |
| 94 | Water Budgets: Calculations & Graphs | 233 | Try Now |
| 95 | Compounds: Formulas & Nomenclature | 232 | Try Now |
| 96 | Human Evolution | 231 | Try Now |
| 97 | Plant Evolution | 226 | Try Now |
| 98 | Forecasting Earth's Future | 226 | Try Now |
| 99 | Simple Machines | 222 | Try Now |
| 100 | The Chemical Basis of Industry | 219 | Try Now |
| 101 | Characteristics of Ocean Waves | 216 | Try Now |
| 102 | Origin of Earth's Moon | 212 | Try Now |
| 103 | Vector Algebra | 212 | Try Now |
| 104 | Formula & Molecular Masses | 211 | Try Now |
| 105 | Understanding pH | 206 | Try Now |
| 106 | Understanding Momentum | 204 | Try Now |
| 107 | Acids & Bases: Physical & Chemical Properties | 202 | Try Now |
| 108 | Mass-volume Stoichiometry | 202 | Try Now |
| 109 | Light Waves: Reflection & Refraction | 197 | Try Now |
| 110 | Plate Tectonics and the Fossil Record | 195 | Try Now |
| 111 | Calculating Work | 191 | Try Now |
| 112 | Molecular Structures | 190 | Try Now |
| 113 | Weight & Gravitational Acceleration | 190 | Try Now |
| 114 | Using the Periodic Table to Determine Oxidation States | 190 | Try Now |
| 115 | Mineral Fact Sheets | 188 | Try Now |
| 116 | Lunar Myths | 185 | Try Now |
| 117 | Food Chains and Biological Magnification | 184 | Try Now |
| 118 | Recombinant DNA Technology | 181 | Try Now |
| 119 | Genetically-modified Foods | 181 | Try Now |
| 120 | Fluid Pressure | 179 | Try Now |
| 121 | How Population Growth and Energy Consumption Affect An Ecosystem | 178 | Try Now |
| 122 | Characteristics of Our Solar System | 177 | Try Now |
| 123 | Static Electricity | 172 | Try Now |
| 124 | The Human Body: Biorhythms | 172 | Try Now |
| 125 | Thermodynamics: Energy & Entropy | 171 | Try Now |
| 126 | Colligative Properties: Freezing & Boiling Points | 165 | Try Now |
| 127 | Using Forensic Evidence to Solve a Murder | 161 | Try Now |
| 128 | Balancing Chemical Equations | 161 | Try Now |
| 129 | Lab: Indicators | 158 | Try Now |
| 130 | Detecting Extrasolar Planets | 157 | Try Now |
| 131 | Graham's Law | 157 | Try Now |
| 132 | Normal & Active Galaxies | 156 | Try Now |
| 133 | Properties of Solids | 156 | Try Now |
| 134 | Calculating Food Calories | 156 | Try Now |
| 135 | Earth's Geological & Biological History | 149 | Try Now |
| 136 | Lab: Action Spectrum for Photosynthesis | 149 | Try Now |
| 137 | Lab: Popcorn & the Gas Laws | 144 | Try Now |
| 138 | Lab: Motion & Friction | 143 | Try Now |
| 139 | Magnetism & Its Uses | 141 | Try Now |
| 140 | Reaction Coordinate Diagrams | 141 | Try Now |
| 141 | Redox: The Chemistry of Batteries | 139 | Try Now |
| 142 | A Model for Chemiosmosis | 136 | Try Now |
| 143 | Archimedes' Principle | 135 | Try Now |
| 144 | Understanding Potential & Potential Energy | 135 | Try Now |
| 145 | DNA Fingerprinting: A Simulation | 135 | Try Now |
| 146 | Lab: Paper Chromatography | 134 | Try Now |
| 147 | Lab: Conserving Mass | 133 | Try Now |
| 148 | Lab: Newton's Second Law | 133 | Try Now |
| 149 | Lab: Falling Objects | 132 | Try Now |
| 150 | Analyzing Carbon-Based & Alternative Fuels | 131 | Try Now |
| 151 | Lab: Chemical Reactions: Classes and Characteristics | 131 | Try Now |
| 152 | Protein Synthesis | 131 | Try Now |
| 153 | Decomposition Reactions | 130 | Try Now |
| 154 | Buffered Solutions | 129 | Try Now |
| 155 | Air Density | 126 | Try Now |
| 156 | Lab: Heating Curve for Water | 126 | Try Now |
| 157 | Constellations | 123 | Try Now |
| 158 | Lab: Isolating DNA From Foods | 123 | Try Now |
| 159 | Kepler's First Law | 122 | Try Now |
| 160 | Lab: Soil pH & Solubility | 121 | Try Now |
| 161 | The History and Significance of Genetic Discoveries | 121 | Try Now |
| 162 | Lab: Using Colligative Properties to Identify Pure Substances & Mixtures | 121 | Try Now |
| 163 | Nuclear Power: The Pros & Cons | 120 | Try Now |
| 164 | Projectile Motion | 119 | Try Now |
| 165 | The Electromagnetic Spectrum | 117 | Try Now |
| 166 | Lab: Simulating Disease Transmission | 115 | Try Now |
| 167 | Lab: Kitchen Stoichiometry | 115 | Try Now |
| 168 | The Special Theory of Relativity | 114 | Try Now |
| 169 | Natural Selection | 113 | Try Now |
| 170 | The Human Body: Diseases | 110 | Try Now |
| 171 | Crop Recommendations | 109 | Try Now |
| 172 | Lab: Periodic Motion | 106 | Try Now |
| 173 | Lab: First-Class Levers | 106 | Try Now |
| 174 | Impact of Ocean & Landmass Distributions | 104 | Try Now |
| 175 | Writing & Classifying Chemical Equations | 103 | Try Now |
| 176 | Lab: Line Spectra | 102 | Try Now |
| 177 | Conservation of Momentum | 101 | Try Now |
| 178 | Lab: Determining Salinity | 101 | Try Now |
| 179 | Lab: Natural Magnets & Electromagnetism | 100 | Try Now |
| 180 | Radioactivity | 96 | Try Now |
| 181 | Lab: Launching Rockets | 96 | Try Now |
| 182 | Electric Power & Energy Efficiency | 95 | Try Now |
| 183 | Lab: Investigating Heat Exchange | 95 | Try Now |
| 184 | Cloning: Techniques and Issues | 95 | Try Now |
| 185 | Lab: Energy "Losses" | 92 | Try Now |
| 186 | Telescope Analysis | 92 | Try Now |
| 187 | Lab: Building Circuits | 92 | Try Now |
| 188 | Motion of Satellites | 92 | Try Now |
| 189 | Lab: Elastic Collisions | 91 | Try Now |
| 190 | Hardy-Weinberg Equilibrium: Mechanisms for Evolutionary Change | 90 | Try Now |
| 191 | Lab: Conduction | 90 | Try Now |
| 192 | Precession and Its Effect on the Night Sky | 88 | Try Now |
| 193 | Lab: Detecting Motion | 88 | Try Now |
| 194 | Gibbs Free Energy | 88 | Try Now |
| 195 | Laws of Refraction and Reflection | 88 | Try Now |
| 196 | How Earth's Revolution Defines Our Year | 88 | Try Now |
| 197 | The Polymerase Chain Reaction | 87 | Try Now |
| 198 | Solubility Curves | 87 | Try Now |
| 199 | Zebrafish Embryology | 86 | Try Now |
| 200 | Reaction Rates | 84 | Try Now |
| 201 | Lorentz Force and Induction | 84 | Try Now |
| 202 | Lab: Groundwater Chemistry and Its Effect on Limestone Solubility | 84 | Try Now |
| 203 | Lab: Vertical Motion | 81 | Try Now |
| 204 | Hooke's Law | 81 | Try Now |
| 205 | Lab: Product Quantities & Percent Yield | 79 | Try Now |
| 206 | Galactic Redshifts | 79 | Try Now |
| 207 | Lab: Using Specific Gravity to Identify Unknowns | 77 | Try Now |
| 208 | Measuring Earth's Radius & Circumference | 77 | Try Now |
| 209 | Lab: Sound Frequencies of Vibrating Objects | 71 | Try Now |
| 210 | Lab: Angular Speed | 67 | Try Now |
| 211 | Lab: Rotational (Moment of) Inertia | 61 | Try Now |
*Views represent combined teacher and student resource usage for the current academic year.
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