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| Lesson Title (Description) |
Grade Level |
Lesson Type |
How Much is a Billion
In this activity, students get a sense of how big a billion really is, which is necessary in order to understand deep time. |
3-5 |
Classroom activity |
Understanding Geologic Time
A web-based module in which students gain a basic understanding of geologic time, the evidence for events in Earth's history, relative and absolute dating techniques, and the significance of the Geologic Time Scale. |
3-5 |
Web activity |
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