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Overview:
In this activity, students get a sense of how big a billion really is, which is necessary in order to understand deep time.Author/Source:
Monk, Anne Grade level:
3-5 Time:
variable Concepts:
Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details. - Life has been on Earth for billions of years.
Teacher background: |
