Greatest Discoveries with Bill Nye Earth Science DVD

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Earth is always changing, and Earth's species must continually adapt. Host Bill Nye gives an inside look at planet Earth, from its inner core to its protective magnetic field.

Discover how earthquakes and volcanoes help explain plate tectonics and the dynamic geology of oceans and continents. Learn how Earth's atmosphere gives scientific insight about weather and climate. Look at forms of radiation and the potential dangers from harmful gases and geologic changes.

Close-captioned. 45 minutes. 2005.