Great for elementary and middle school as an intro to new material. Earth is OLD and things happen very slowly. In this article, students will read how giant lithospheric plates move around the same speed as our fingernails grow and it's difficult to use years when speaking of the passage of time. Instead, we divide earth's history up into major events using Geological Time.
Vocab words: plate tectonics, geologic time, lithospheric plates, supercontinent
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