Title |
Comment |
Keywords |
Ancient Myths About Earthquakes
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01:35 - 02:10 (00:35) / 0.8 MB
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myth, animal, earthquake
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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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Simple Cell Structure
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06:49 - 07:24 (00:35) / 1.0 MB
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stromatolite, prokaryotic, fossil, eukaryotic, animal
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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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Rancho La Brea Tar Pits
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17:31 - 18:36 (01:05) / 1.5 MB
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"George Jefferson", Cenozoic, "Rancho La Brea", "Los Angeles", tar, animal, fossil, life, Cenozoic, "Ice Age", climate, vertebrate
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Los Angeles Basin Habitat
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21:07 - 21:48 (00:41) / 0.7 MB
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fossil, tar, environment, habitat, "Rancho La Brea", "Los Angeles Basin", sagebrush, cypress, "pine tree", animal, deer, "dire wolf", "saber toothed cat", "ground sloth", mastodon, mammal, ecosystem, extinction, woodland
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Natural Selection
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23:23 - 23:55 (00:32) / 1.1 MB
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"Charles Darwin", animal, evolution
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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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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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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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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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Land Bridges
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17:58 - 18:26 (00:28) / 0.6 MB
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"Ice Age", "land bridge", "sea level", coastline, landmass, Asia, "North American Continent", animal, humans, continent, migration
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Introduction to Preserving the Legacy
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00:40 - 02:20 (01:40) / 1.2 MB
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introduction, "James Sadd", "H. G. Wells", humans, civilization, mining, agriculture, Roman, "Industrial Revolution", England, gravity, heat, "human power", technology, animal
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Geology School Keywords
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