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 | | time | views | |
 | Engaging in Argumentation | 6:51 | 9,308 | |
 | Planning and Carrying Out Investigations | 6:56 | 5,404 | |
 | Constructing Scientific Explanations | 7:47 | 5,461 | |
 | Asking Scientific Questions | 10:38 | 7,243 | |
 | Scientific Phenomenon and Sensemaking | 8:25 | 10,344 | |
 | Scientific Inquiry: A Teacher's Guide | 12:46 | 55,686 | |
 | What Is the NGSS? and Why Is It Important? | 8:42 | 10,883 | |
 | I'm Back | 1:42 | 38,101 | |
 | InkFloat | 0:15 | 32,805 | |
 | I See CO2 | 4:13 | 41,219 | |
 | The Urinary System | 6:32 | 429,211 | |
 | The Synapse | 7:90 | 273,086 | |
 | The Neuron | 5:15 | 340,375 | |
 | The Action Potential | 14:70 | 719,516 | |
 | Electrochemical Gradient | 5:56 | 79,271 | |
 | CER - Claim Evidence Reasoning | 7:25 | 210,639 | |
 | What is Modeling Instruction? | 7:22 | 18,759 | |
 | Coral Bleaching | 4:45 | 31,256 | |
 | Ocean Acidification | 5:60 | 88,575 | |
 | 500K Subs + My Own Jeopardy Question | 1:50 | 10,619 | |
 | The Nature of Science | 7:59 | 103,598 | |
 | What's the Best Way to Teach Science? | 4:23 | 303,654 | |
 | The Chloroplast | 5:37 | 138,065 | |
 | Mitochondria: The Powerhouse of the Cell | 9:00 | 48,109 | |
 | Student's t-test | 10:11 | 715,066 | |
 | Student and Teacher Opinions on Educational Technology Wanted | 1:44 | 7,441 | |
 | What is CRISPR? | 7:21 | 947,919 | |
 | Loss of Biodiversity | 7:25 | 94,472 | |
 | Global Climate Change | 7:60 | 93,077 | |
 | Stratospheric Ozone | 7:70 | 91,037 | |
 | Health Impacts of Pollution | 8:10 | 44,545 | |
 | Solid Waste | 7:36 | 75,227 | |
 | Water Pollution | 9:70 | 103,894 | |
 | Air Pollution | 9:25 | 183,640 | |
 | Renewable Energy | 9:21 | 92,856 | |
 | Energy Reduction | 6:42 | 23,327 | |
 | Hydroelectric Power | 5:41 | 39,427 | |
 | Nuclear Energy | 9:60 | 58,727 | |
 | Fossil Fuels | 7:57 | 42,834 | |
 | Energy Consumption | 7:51 | 17,512 | |
 | Energy Concepts | 8:53 | 18,289 | |
 | Environmental Economics | 9:21 | 22,479 | |
 | Fishing | 7:32 | 14,743 | |
 | Mining | 6:51 | 18,781 | |
 | Land Use | 8:70 | 16,932 | |
 | Forestry and Rangelands | 9:19 | 15,109 | |
 | Agriculture | 9:25 | 18,606 | |
 | An update and a thank you | 1:29 | 24,631 | |
 | Human Population Impacts | 8:47 | 20,719 | |
 | Human Population Size | 10:18 | 21,830 | |
 | Human Population Dynamics | 11:14 | 15,376 | |
 | Population Ecology | 12:10 | 39,565 | |
 | Biogeochemical Cycles | 8:35 | 33,708 | |
 | Natural Ecosystem Change | 6:38 | 7,316 | |
 | Ecosystem Diversity | 7:80 | 8,604 | |
 | Energy Flow in Ecosystems | 7:46 | 23,509 | |
 | Ecosystem Ecology | 11:14 | 17,118 | |
 | Soil and Soil Dynamics | 9:22 | 8,491 | |
 | Water Resources | 11:38 | 7,984 | |
 | The Atmosphere | 12:53 | 12,687 | |
 | Geology | 11:40 | 14,269 | |
 | Environmental Systems | 9:39 | 9,225 | |
 | Environmental Science | 9:80 | 17,331 | |
 | Stimulated Emission | 3:31 | 4,852 | |
 | Half-Life and Radioactive Decay | 7:42 | 5,012 | |
 | Wave Model of an Electron | 4:20 | 5,303 | |
 | Wave Function | 4:50 | 4,294 | |
 | Second Law of Thermodynamics | 4:47 | 9,064 | |
 | Thermal Equlibrium | 3:48 | 4,036 | |
 | Patrick, Paul, and Tyler on Learning. | 5:21 | 5,847 | |
 | Ideal Gas Law | 5:36 | 3,101 | |
 | Kinetic Theory and Temperature | 5:52 | 2,551 | |
 | Gas Pressure | 5:39 | 1,947 | |
 | Matter as a Wave | 5:30 | 3,137 | |
 | Matter as a Particle | 3:52 | 2,346 | |
 | Wave-Particle Duality of Light | 3:34 | 3,999 | |
 | Photons | 5:17 | 4,699 | |
 | Electromagnetic Waves | 4:30 | 4,853 | |
 | Electromagnetic Radiation | 3:20 | 2,628 | |
 | Ray Diagrams - Lenses | 7:26 | 2,059 | |
 | Ray Diagrams - Mirrors | 11:44 | 2,720 | |
 | Refraction of Light | 11:20 | 2,586 | |
 | Specular Reflection | 4:33 | 3,742 | |
 | Light Absorption, Reflection, and Transmission | 4:55 | 3,579 | |
 | Beats | 4:50 | 2,693 | |
 | Harmonics | 8:30 | 2,953 | |
 | Standing Waves | 7:10 | 2,707 | |
 | Traveling Waves | 4:33 | 2,619 | |
 | Wave Superposition | 4:40 | 1,998 | |
 | Diffraction Effects | 3:55 | 2,402 | |
 | Interference Patterns | 3:31 | 2,118 | |
 | Wave Diffraction | 4:20 | 3,533 | |
 | Wave Interference | 6:24 | 2,245 | |
 | Doppler Effect | 4:20 | 4,883 | |
 | Wave Speed | 6:10 | 4,474 | |
 | Wave Equation | 4:42 | 3,956 | |
 | Wavelength | 3:23 | 4,435 | |
 | Wave Period and Frequency | 4:52 | 3,973 | |
 | Wave Energy | 3:39 | 3,600 | |
 | Wave Amplitude | 3:16 | 3,369 | |
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