Lesson A-10. Rocks, Minerals, Crystals, Dirt, and Soil

This forum has 7 topics, 2 replies, and was last updated 3 years, 3 months ago by Bernard Nebel.

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- Assorted minerals
  Started by: Bernard Nebel
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- 3 years, 3 months ago
  Bernard Nebel
- Quartz crystals
  Started by: Bernard Nebel
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- 3 years, 3 months ago
  Bernard Nebel
- Minerals and Crystals
  Started by: SciBeams5
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- 3 years, 4 months ago
  SciBeams5
- Where metals come from–mineral to metal
  Started by: Bernard Nebel
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- 6 years, 9 months ago
  Bernard Nebel
- Different types of rocks and minerals
  Started by: Bernard Nebel
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- 6 years, 9 months ago
  Bernard Nebel
- Snowflakes are examples of crystals
  Started by: Bernard Nebel
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- 6 years, 9 months ago
  Bernard Nebel
- Additional online reading
  Started by: Bernard Nebel
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- 9 years, 5 months ago
  Bernard Nebel

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