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National K -12 Subject
Science
Earth and Space Science
Earth System, Structure, and Processes
Biogeochemical Cycles
Audio Description
Browse results: Biogeochemical Cycles
| RESOURCE | GRADE LEVEL | MEDIA TYPE |
|---|---|---|
Caves: Extreme Conditions for LifeThis video segment adapted from NOVA raises the provocative idea that if life can exist in the most extreme environments on Earth — such as in dark, toxic caves — then perhaps living things can also survive in harsh environments on other planets. Accessibility features: Audio Description, Caption |
6-12 |
Video |
Deep-Sea Vents and Life's OriginsDeep-sea vents are home to life forms that do not rely on the Sun's energy. They depend instead on energy from volcanoes on the ocean floor. This video segment adapted from NOVA hypothesizes that life on Earth may have begun in this extreme environment. Accessibility features: Audio Description, Caption, Transcript |
3-12 |
Video |
Snapshot of U.S. Energy UseThis video segment adapted from NOVA/FRONTLINE looks at American
energy consumption and the resulting production of greenhouse gases. Accessibility features: Audio Description, Caption |
3-12 |
Video |
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