3-2-1 Classroom Contact

1. E1. Getting to the South Pole: Antarctica

   Feb 7, 1992

2. E2. They're Habit Forming: Crystals

   Jan 24, 1992

3. E3. Earth is Change: Erosion

   Jan 17, 1991

4. E4. Remains to be Seen: Fossils

   Jan 10, 1992

5. E5. 3-D Sea: Ocean Environments

   Jan 31, 1992

6. E6. Too Hot to Handle: Volcanoes

   Dec 20, 1991

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