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Subtopic: Deep Time/History of Life

Change grade range

Resource	Grade Level	Media Type
Becoming a Fossil This video segment describes how the Australopithecus afarensis skeleton known as Lucy could have been fossilized. Footage courtesy of NOVA: "In Search of Human Origins."	6-12	QuickTime Video
Finding Lucy This Evolution video segment depicts the landmark hominid fossil finds by Don Johanson and his team in Ethiopia.	9-12	QuickTime Video
Fish with Fingers In this video segment from Evolution: "Great Transformations," paleontologist Jenny Clack explains that vertebrates evolved fingers before they invaded land.	6-12	QuickTime Video
Genetic Tool Kit The shared set of genes for body segments, possessed by all animals, are discussed in this video segment from Evolution: "Great Transformations."	6-12	QuickTime Video
Ingredients for Life: Carbon This video segment adapted from NOVA illustrates why carbon is at the center of life on Earth. It also asks whether carbon-based life might exist on other planets.	6-12	QuickTime Video
Ingredients for Life: Water This video segment adapted from NOVA goes on a whimsical journey in search of life forms thriving in extreme conditions on Earth and in outer space. Animations show ice on Jupiter's moon, Europa, and signs that water once existed on Mars.	3-12	QuickTime Video
Laetoli Footprints This Evolution video segment describes how the famous track fossils known as the Laetoli footprints might have been formed and what they can reveal about the creatures who left them.	6-12	QuickTime Video
Permian-Triassic Extinction In this video segment from Evolution: "Extinction!", geologist Peter Ward discusses evidence for a Permian-Triassic mass extinction.	9-12	QuickTime Video
Radiometric Dating In this video segment from A Science Odyssey: "Origins," scientists explain how Earth's age was determined by radiometric dating.	6-12	QuickTime Video
Transitional Tetrapod Fossil In this video segment from NOVA: "Judgment Day: Intelligent Design on Trial," learn about the discovery of a well-preserved transitional fossil and how such transitional fossils support the theory of evolution.	6-12	QuickTime Video