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Environmental Issues and Human Impact
 This video looks at urgent environmental concerns facing planet Earth and what people can do to repair the degradation humans have caused. Air and water pollution, the effects of pollution on health and the environment, deforestation and loss of wetl...(more details) |
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| VHS |
$89.95 |
| DVD (Chaptered) |
$89.95 |
| DVD + 3-Year Streaming |
$134.92 |
| 3-Year Streaming |
$89.95 |
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Geocycles
 Planet Earth is an amazing machine, and we-and our future-are riding on it. This video introduces students to the Earth system's primary interacting subsystems (the biosphere, geosphere, hydrosphere, and atmosphere); the nitrogen, carbon, and water c...(more details) |
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| VHS |
$89.95 |
| DVD (Chaptered) |
$89.95 |
| DVD + 3-Year Streaming |
$134.92 |
| 3-Year Streaming |
$89.95 |
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Plate Tectonics
 Studies of our planet's crust, or lithosphere, suggest that it's not a single solid layer at all. This video illustrates the process of scientific inquiry by studying the evolution of our understanding of plate tectonics, the dynamics of those ever-s...(more details) |
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| VHS |
$89.95 |
| DVD (Chaptered) |
$89.95 |
| DVD + 3-Year Streaming |
$134.92 |
| 3-Year Streaming |
$89.95 |
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Rocks and Minerals
 Knowledge of the physics and chemistry of the planet's "bones" is essential to a complete understanding of Earth science. Ranging from the Mohs scale and specific gravity to silicates, carbonates, and halides, this video delves deeply into the compos...(more details) |
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| VHS |
$89.95 |
| DVD (Chaptered) |
$89.95 |
| DVD + 3-Year Streaming |
$134.92 |
| 3-Year Streaming |
$89.95 |
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Oceans and Seas
 More than 70 percent of the Earth's surface is covered by water. Use this video to impress upon your students the importance of the seven seas to people, the marine food chain, and the planet as a whole. Topics include the various kinds of currents a...(more details) |
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| VHS |
$89.95 |
| DVD (Chaptered) |
$89.95 |
| DVD + 3-Year Streaming |
$134.92 |
| 3-Year Streaming |
$89.95 |
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