Product |
Grade Level |
Format |
Price |
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Earthquakes: Seismic Sleuths VHS Seismologists, geologists, and engineers reveal the challenges of forecasting earthquakes. They explain the science behind these phenomena—plate tectonics, waves, vibrations, and faults.  |
6 - 12 | VHS | $49.95
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Volcanoes: Mountains of Fire VHS Ring of fire, lava lakes, hot spots- these are just a few of the interesting items covered in this program. |
6 - 12 | VHS | $49.95
|
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Volcanoes 2-Pack VHS Marvel at steaming mountains spewing fire, ash-clouds, and molten rock. Discover the devastating effects on people and cities, and find out how scientists are gathering data to predict the next big blow. |
6 - 12 | VHS | $89.95
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Understanding: Volcanoes VHS Follow the pace and rhythm of geologic movement and time. |
6 - 12 | VHS | $59.95
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Elements in Action: Nature's Power VHS From calcium and caves to sulfur and volcanoes, this program illustrates the power of basic chemical substances in nature. |
6 - 12 | VHS | $59.95
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