| Title |
Comment |
Keywords |
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Correlating Geology Across Continents
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03:44 - 04:35 (00:51) / 0.5 MB
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"Jason Saleeby", "Alfred Wegener", "continental drift", map, fossil, "mineral deposit", continent, "ocean basin", Gondwana, Antarctica, Australia, Africa, "South America", plant, climate, glaciation, coal
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A Calendar Year
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02:51 - 03:54 (01:03) / 1.2 MB
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"James Sadd", "geologic time", "geologic age", planet, water, life, oxygen, gas, atmosphere, "multi-cellular organism", plant, animal, dinosaur, extinction, humans, "Industrial Revolution"
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Carbon-14
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19:37 - 20:27 (00:50) / 1.8 MB
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"radiocarbon dating", carbon-14, radioactivity, carbon, atmosphere, water, plant, animal, isotope, "absolute age dating"
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Evolution Through Time
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30 minutes / n.a.
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fossil, evolution, life, environment, extinction, animal, plant, Mesozoic, mammal, dinosaur, stromatolite, "sedimentary rock", Paleozoic, ecosystem, climate, Cenozoic, atmosphere, "rock formation"
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Algae the Oldest Fossils
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01:13 - 02:04 (00:51) / 0.8 MB
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"James Sadd", algae, fossil, Australia, Africa, "North American Continent", plant, animal, life, origin, bacteria
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Life in the Paleozoic
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10:00 - 10:50 (00:50) / 1.1 MB
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"James Sadd", Cambrian, Paleozoic, evolution, life, fossil, vertebrate, environment, invertebrate, animal, brachiopod, trilobite, coral, fish, plant
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Evolution in the Mesozoic
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13:58 - 14:38 (00:40) / 0.7 MB
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"James Sadd", evolution, Mesozoic, life, "coral reef", "continental margin", reptile, fish, predation, plant, "desiduous tree", bird, mammal, dinosaur
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Studying the Bones
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18:36 - 20:01 (01:25) / 1.1 MB
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"Eric Scott", "Rancho La Brea", fossil, plant, pollen, mammoth, bison, "saber toothed cat", tar
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Reconstructing an Environment
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20:01 - 21:07 (01:06) / 1.2 MB
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"Shelley M. Cox", fossil, soil, plant, shell, insect, microfossil, climate, mouse, gopher, environment
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Resilience of Life
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26:11 - 26:54 (00:43) / 0.8 MB
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"James Sadd", life, extinction, humans, plant, animal, dinosaur, evolution
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Benefits of Volcanoes
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25:42 - 26:30 (00:48) / 1.2 MB
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"James Sadd", volcano, "geologic hazard", soil, plant, agriculture, "hot spring", geothermal, energy, Iceland
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Weathering and Soils
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30 minutes / n.a.
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weathering, soil, "chemical weathering", water, rock, plant, erosion, "mechanical weathering", granite, agriculture, climate, "acid rain"
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Pollution
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12:01 - 13:12 (01:11) / 2.0 MB
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weathering, "chemical weathering", pollution, "acid rain", "sulfur dioxide", sulfur, coal, moisture, atmosphere, "sulfuric acid", acid, "carbon dioxide", "carbon monoxide", "nitrogen oxide", rainfall, plant, tree, masonry, stone, forest, lake, woodland, Europe, "North American Continent", precipitation
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Soil
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13:12 - 13:48 (00:36) / 0.8 MB
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"James Sadd", weathering, "chemical weathering", soil, life, humans, habitat, plant, water, "trace element", bacteria, nutrient, "terrestrial food chain"
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Calcium and Phosphorous
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13:48 - 15:09 (01:21) / 2.4 MB
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weathering, "chemical weathering", calcium, phosphorous, element, bone, plant, soil, animal, apatite, granite, phosphate, rock, "food chain", life, vertebrate
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Soils
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15:09 - 15:35 (00:26) / 1.1 MB
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weathering, "mechanical weathering", "chemical weathering", soil, plant, humus, rock
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Soil Horizons
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15:35 - 16:19 (00:44) / 1.0 MB
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weathering, soil, rock, horizon, "loamy topsoil", "A horizon", "B horizon", "C horizon", humus, plant, rainfall, water, leaching
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Tropical Soil
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18:18 - 19:20 (01:02) / 2.1 MB
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weathering, soil, tropic, jungle, "fertile soil", agriculture, "rain forest", vegetation, humus, nutrient, tree, plant, leaching, forest, erosion, wasteland
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Soil Erosion
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19:20 - 20:45 (01:25) / 2.0 MB
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"Richard Hazlett", "soil erosion", tropic, "rain forest", "Midwestern United States", "dust bowl", draught, wind, soil, weathering, dust, grassland, agriculture, glacial, plant, crop, topsoil, farming
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Biological Contribution
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07:42 - 08:56 (01:14) / 1.3 MB
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"sedimentary rock", "chemical sedimentation", ocean, "biological activity", algae, coral, invertebrate, "calcium carbonate", shell, reef, "sea floor", limestone, fossil, chalk, plant, animal, life, "continental shelf", radiolaria, diatom, silica, chert, diatomite
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Rainfall
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02:05 - 02:43 (00:38) / 0.9 MB
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"James Sadd", river, rainfall, water, precipitation, groundwater, "glacial ice", "soil moisture", atmosphere, evaporation, plant, landform
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Wind, Dust and Deserts
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30 minutes / n.a.
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desert, wind, rainfall, plant, soil, sand, evaporation, air, vegetation, precipitation, dune, desertification, climate
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Introduction to Wind, Dust and Desert
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00:40 - 01:54 (01:14) / 1.1 MB
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introduction, "James Sadd", "Death Valley", lake, valley, shoreline, grassland, slope, "pine tree", humid, animal, bison, antelope, horse, pelican, flamingo, climate, glacier, "Ice Age", salt, lakebed, desert, plant, evaporation
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Past Deserts
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07:38 - 08:29 (00:51) / 1.6 MB
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"Southwestern United States", desert, "fossil dune", "Grand Canyon", sandstone, "Zion National Park", "cross-bedding", oxidation, iron, "dry land", plant, animal, fossil, forest, "geologic time", "plate tectonics", orogeny, mountain, "rain shadow"
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Desert Dust
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12:58 - 13:42 (00:44) / 1.2 MB
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desert, wind, "desert dust", rock, mineral, plant, animal, ash, detritus, "volcanic ash", atmosphere, storm
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Vegetation
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19:00 - 19:48 (00:48) / 2.0 MB
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vegetation, air, rainfall, Sun, plant
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Development and Overgrazing
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19:48 - 20:49 (01:01) / 1.9 MB
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vegetation, humans, atmosphere, plant, tree, air, climate, rainfall, semi-arid, desert, desertification, agriculture, grazing
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Dust Bowl
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20:49 - 21:42 (00:53) / 1.1 MB
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desertification, desert, "United States", "Great Plains", "ecological balance", rainfall, plant, agriculture, grazing, soil, drought, "dust bowl", "soil conservation"
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Sahel
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21:42 - 23:02 (01:20) / 2.3 MB
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desert, desertification, Africa, Sahel, Sahara, semi-arid, rainfall, grazing, drought, plant, soil, cattle, "dust storm", dune, Ethiopia, Sudan, human
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Indicators of Past Ice Ages
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14:04 - 15:37 (01:33) / 1.9 MB
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"Brian Edwards", data, "Ice Age", "Earth's orbit", "drill core", "deep-sea sediment", fossil, microfossil, plant, temperature, ocean, "geologic time", Sun, continent, "plate tectonics", "ocean current", climate, polar, landmass, "ice sheet"
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Geology School Keywords
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