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Core Disciplines
Here are the most popular resources this week:
| Resource | Views* | Quick Launch | |
|---|---|---|---|
| 1 | Volcano Formation | 15,400 | Try Now |
| 2 | VLab: Density | 14,201 | Try Now |
| 3 | The Water Cycle | 13,337 | Try Now |
| 4 | VLab: Atomic Structure | 10,595 | Try Now |
| 5 | VLab: Photosynthesis | 10,080 | Try Now |
| 6 | VLab: Membranes | 8,151 | Try Now |
| 7 | VLab: Enzymes | 8,049 | Try Now |
| 8 | VLab: Wave Properties | 7,998 | Try Now |
| 9 | VLab: Stream Ecology | 7,616 | Try Now |
| 10 | VLab: Carbon Cycle | 7,006 | Try Now |
| 11 | VLab: Evidence for Plate Tectonics | 6,525 | Try Now |
| 12 | Natural Resources: Petroleum | 6,185 | Try Now |
| 13 | VLab: Cell Division | 6,023 | Try Now |
| 14 | VLab: Seasons | 5,936 | Try Now |
| 15 | VLab: Kinetic & Potential Energy | 5,212 | Try Now |
| 16 | VLab: Planetary Motion | 4,838 | Try Now |
| 17 | VLab: Linear Motion | 4,732 | Try Now |
| 18 | VLab: Free Fall | 4,730 | Try Now |
| 19 | VLab: Mendelian Genetics | 4,568 | Try Now |
| 20 | Earth's Interior | 4,561 | Try Now |
| 21 | VLab: Tides | 4,473 | Try Now |
| 22 | VLab: Chemical Equations | 4,234 | Try Now |
| 23 | VLab: Geologic Time | 4,048 | Try Now |
| 24 | The Human Body: Systems | 3,929 | Try Now |
| 25 | The Rock Cycle | 3,785 | Try Now |
| 26 | Simple Machines | 3,432 | Try Now |
| 27 | Solutions, Suspensions & Colloids | 3,423 | Try Now |
| 28 | Organelle Functions | 3,342 | Try Now |
| 29 | Cell Sizes | 3,323 | Try Now |
| 30 | Predator-prey Relationships | 3,297 | Try Now |
| 31 | Properties of Elements | 3,252 | Try Now |
| 32 | Lewis Electron Dot Structures | 3,234 | Try Now |
| 33 | Carbohydrates: Structures & Functions | 3,206 | Try Now |
| 34 | Laws of Refraction and Reflection | 3,142 | Try Now |
| 35 | VLab: DNA Replication | 2,976 | Try Now |
| 36 | VLab: Gas Laws | 2,804 | Try Now |
| 37 | VLab: Solution Properties | 2,791 | Try Now |
| 38 | Evidence for Evolution | 2,730 | Try Now |
| 39 | VLab: Precipitation Reactions | 2,617 | Try Now |
| 40 | Introduction to Mitosis & Meiosis | 2,578 | Try Now |
| 41 | Energy Flow in Ecosystems | 2,400 | Try Now |
| 42 | VLab: Properties of Stars | 2,358 | Try Now |
| 43 | Genetically-modified Foods | 2,330 | Try Now |
| 44 | VLab: Eclipses | 2,318 | Try Now |
| 45 | Chemical Nomenclature | 1,987 | Try Now |
| 46 | VLab: Calorimetry | 1,950 | Try Now |
| 47 | VLab: Modern Taxonomy | 1,913 | Try Now |
| 48 | Sexual & Asexual Reproduction | 1,879 | Try Now |
| 49 | Human Population Growth | 1,811 | Try Now |
| 50 | Characteristics of Our Solar System | 1,526 | Try Now |
| 51 | Glycolysis | 1,502 | Try Now |
| 52 | Ionic & Covalent Bonds | 1,501 | Try Now |
| 53 | VLab: Microevolution | 1,487 | Try Now |
| 54 | Force Diagrams | 1,481 | Try Now |
| 55 | Symbiotic Relationships | 1,455 | Try Now |
| 56 | Periodic Properties | 1,434 | Try Now |
| 57 | VLab: Electron Transitions | 1,433 | Try Now |
| 58 | How Population Growth and Energy Consumption Affect An Ecosystem | 1,376 | Try Now |
| 59 | Energy Conversions: KE & PE | 1,374 | Try Now |
| 60 | Structure & Properties of Water | 1,368 | Try Now |
| 61 | Causes & Effects of Ocean Currents | 1,367 | Try Now |
| 62 | Genetic Research & Molecular Medicine | 1,333 | Try Now |
| 63 | Viruses | 1,322 | Try Now |
| 64 | Magnetism & Its Uses | 1,309 | Try Now |
| 65 | Plant Growth & Development | 1,282 | Try Now |
| 66 | Elements: Chemical & Physical Properties | 1,265 | Try Now |
| 67 | Charles Darwin and Evolution by Natural Selection | 1,240 | Try Now |
| 68 | The Human Body: Diseases | 1,238 | Try Now |
| 69 | Exploring an Ecological Address | 1,228 | Try Now |
| 70 | Static Electricity | 1,223 | Try Now |
| 71 | Exploring Taxonomic Groups | 1,162 | Try Now |
| 72 | Plant Evolution | 1,087 | Try Now |
| 73 | VLab: Acid-Base Chemistry (Titrations) | 1,075 | Try Now |
| 74 | The Immune System | 1,063 | Try Now |
| 75 | Fetal Development | 1,062 | Try Now |
| 76 | Nuclear Reactions | 1,058 | Try Now |
| 77 | Sex-linked Traits | 1,052 | Try Now |
| 78 | Protein Structure | 1,027 | Try Now |
| 79 | Formula & Molecular Masses | 979 | Try Now |
| 80 | Punnett Squares | 923 | Try Now |
| 81 | Water Budgets: Calculations & Graphs | 900 | Try Now |
| 82 | Earthquakes & Volcanoes: Patterns of Fury | 883 | Try Now |
| 83 | Calculating Work | 829 | Try Now |
| 84 | Projectile Motion | 827 | Try Now |
| 85 | Origin of Earth's Moon | 794 | Try Now |
| 86 | Phase Diagrams | 773 | Try Now |
| 87 | VLab: Disease Dynamics | 760 | Try Now |
| 88 | Analyzing Your Nutrient Intake | 759 | Try Now |
| 89 | Definitions of Acids & Bases | 746 | Try Now |
| 90 | Fluid Pressure | 736 | Try Now |
| 91 | VLab: Measures of Concentration | 699 | Try Now |
| 92 | Understanding pH | 675 | Try Now |
| 93 | Kinematic Equations | 651 | Try Now |
| 94 | Net Forces & Newton's Second Law | 650 | Try Now |
| 95 | The Evolution of Atomic Theory | 642 | Try Now |
| 96 | Recombinant DNA Technology | 622 | Try Now |
| 97 | Rock Classifications | 611 | Try Now |
| 98 | Using the Periodic Table to Determine Oxidation States | 611 | Try Now |
| 99 | Weight & Gravitational Acceleration | 611 | Try Now |
| 100 | The Doppler Effect | 608 | Try Now |
| 101 | Human Evolution | 600 | Try Now |
| 102 | Lunar Myths | 595 | Try Now |
| 103 | Understanding Momentum | 584 | Try Now |
| 104 | Melting Points & Boiling Points | 578 | Try Now |
| 105 | Electric Power & Energy Efficiency | 577 | Try Now |
| 106 | Using Forensic Evidence to Solve a Murder | 574 | Try Now |
| 107 | Plant Reproduction | 566 | Try Now |
| 108 | Forecasting Earth's Future | 552 | Try Now |
| 109 | Life: Scientific Discoveries | 530 | Try Now |
| 110 | Lab: Cell Differentiation | 509 | Try Now |
| 111 | Neurons & Action Potentials | 491 | Try Now |
| 112 | Constant Acceleration | 486 | Try Now |
| 113 | Characteristics of Ocean Waves | 485 | Try Now |
| 114 | The Polymerase Chain Reaction | 472 | Try Now |
| 115 | Molecular Structures | 467 | Try Now |
| 116 | Earth's Geological & Biological History | 452 | Try Now |
| 117 | Acids & Bases: Physical & Chemical Properties | 439 | Try Now |
| 118 | Conservation of Momentum | 439 | Try Now |
| 119 | Thermodynamics: Energy & Entropy | 415 | Try Now |
| 120 | Graham's Law | 412 | Try Now |
| 121 | Light Waves: Reflection & Refraction | 394 | Try Now |
| 122 | Nuclear Power: The Pros & Cons | 394 | Try Now |
| 123 | Vector Algebra | 394 | Try Now |
| 124 | Plate Tectonics and the Fossil Record | 393 | Try Now |
| 125 | Lab: Microscopy | 379 | Try Now |
| 126 | Food Chains and Biological Magnification | 373 | Try Now |
| 127 | Circular Motion | 346 | Try Now |
| 128 | Normal & Active Galaxies | 343 | Try Now |
| 129 | Compounds: Formulas & Nomenclature | 323 | Try Now |
| 130 | Analyzing Carbon-Based & Alternative Fuels | 316 | Try Now |
| 131 | Understanding Potential & Potential Energy | 316 | Try Now |
| 132 | Lab: Falling Objects | 309 | Try Now |
| 133 | Stellar Evolution | 297 | Try Now |
| 134 | Balancing Chemical Equations | 295 | Try Now |
| 135 | A Model for Chemiosmosis | 287 | Try Now |
| 136 | DNA Fingerprinting: A Simulation | 284 | Try Now |
| 137 | VLab: Limiting Reactants | 277 | Try Now |
| 138 | The Electromagnetic Spectrum | 275 | Try Now |
| 139 | Lab: Kitchen Stoichiometry | 272 | Try Now |
| 140 | Mineral Fact Sheets | 259 | Try Now |
| 141 | Natural Selection | 231 | Try Now |
| 142 | Kepler's First Law | 227 | Try Now |
| 143 | Decomposition Reactions | 224 | Try Now |
| 144 | The Human Body: Biorhythms | 219 | Try Now |
| 145 | Reaction Coordinate Diagrams | 214 | Try Now |
| 146 | Constellations | 211 | Try Now |
| 147 | Protein Synthesis | 209 | Try Now |
| 148 | Lab: Motion & Friction | 201 | Try Now |
| 149 | Cloning: Techniques and Issues | 182 | Try Now |
| 150 | Reaction Rates | 181 | Try Now |
| 151 | Detecting Extrasolar Planets | 179 | Try Now |
| 152 | Lab: Action Spectrum for Photosynthesis | 179 | Try Now |
| 153 | Lab: Heating Curve for Water | 174 | Try Now |
| 154 | Lab: Paper Chromatography | 169 | Try Now |
| 155 | Lab: Newton's Second Law | 168 | Try Now |
| 156 | Lab: Soil pH & Solubility | 168 | Try Now |
| 157 | Lab: First-Class Levers | 165 | Try Now |
| 158 | Hooke's Law | 159 | Try Now |
| 159 | Lab: Simulating Disease Transmission | 158 | Try Now |
| 160 | Redox: The Chemistry of Batteries | 157 | Try Now |
| 161 | Writing & Classifying Chemical Equations | 149 | Try Now |
| 162 | Empirical & Molecular Formulas | 148 | Try Now |
| 163 | Lab: Building Circuits | 144 | Try Now |
| 164 | The History and Significance of Genetic Discoveries | 140 | Try Now |
| 165 | Lab: Conserving Mass | 138 | Try Now |
| 166 | Mass-volume Stoichiometry | 137 | Try Now |
| 167 | Calculating Food Calories | 133 | Try Now |
| 168 | Solubility Curves | 131 | Try Now |
| 169 | The Chemical Basis of Industry | 128 | Try Now |
| 170 | Lab: Chemical Reactions: Classes and Characteristics | 127 | Try Now |
| 171 | Lab: Investigating Heat Exchange | 125 | Try Now |
| 172 | Precession and Its Effect on the Night Sky | 124 | Try Now |
| 173 | Lab: Isolating DNA From Foods | 118 | Try Now |
| 174 | Colligative Properties: Freezing & Boiling Points | 117 | Try Now |
| 175 | Lab: Vertical Motion | 117 | Try Now |
| 176 | Impact of Ocean & Landmass Distributions | 116 | Try Now |
| 177 | Motion of Satellites | 110 | Try Now |
| 178 | Properties of Solids | 110 | Try Now |
| 179 | Lab: Line Spectra | 109 | Try Now |
| 180 | Hardy-Weinberg Equilibrium: Mechanisms for Evolutionary Change | 107 | Try Now |
| 181 | Lab: Popcorn & the Gas Laws | 106 | Try Now |
| 182 | Lorentz Force and Induction | 106 | Try Now |
| 183 | Lab: Natural Magnets & Electromagnetism | 104 | Try Now |
| 184 | How Earth's Revolution Defines Our Year | 102 | Try Now |
| 185 | Lab: Indicators | 100 | Try Now |
| 186 | Lab: Sound Frequencies of Vibrating Objects | 97 | Try Now |
| 187 | Crop Recommendations | 96 | Try Now |
| 188 | Lab: Rotational (Moment of) Inertia | 95 | Try Now |
| 189 | Buffered Solutions | 91 | Try Now |
| 190 | Lab: Energy "Losses" | 90 | Try Now |
| 191 | Lab: Detecting Motion | 88 | Try Now |
| 192 | Lab: Using Colligative Properties to Identify Pure Substances & Mixtures | 83 | Try Now |
| 193 | Air Density | 82 | Try Now |
| 194 | Archimedes' Principle | 81 | Try Now |
| 195 | Lab: Groundwater Chemistry and Its Effect on Limestone Solubility | 75 | Try Now |
| 196 | Lab: Determining Salinity | 73 | Try Now |
| 197 | Lab: Conduction | 69 | Try Now |
| 198 | Galactic Redshifts | 62 | Try Now |
| 199 | Lab: Periodic Motion | 61 | Try Now |
| 200 | Radioactivity | 59 | Try Now |
| 201 | Lab: Elastic Collisions | 55 | Try Now |
| 202 | Lab: Launching Rockets | 52 | Try Now |
| 203 | Gibbs Free Energy | 51 | Try Now |
| 204 | Lab: Using Specific Gravity to Identify Unknowns | 45 | Try Now |
| 205 | Measuring Earth's Radius & Circumference | 45 | Try Now |
| 206 | Lab: Angular Speed | 44 | Try Now |
| 207 | Telescope Analysis | 44 | Try Now |
| 208 | Zebrafish Embryology | 36 | Try Now |
| 209 | Lab: Product Quantities & Percent Yield | 30 | Try Now |
| 210 | The Special Theory of Relativity | 22 | Try Now |
*Views represent combined teacher and student resource usage for the current academic year.
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