Geologic Time Scale
In this geologic time scale instructional activity, students use a word bank to complete the geologic time scale provided. Students fill in the chart as it relates to the geologic time scale.
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Worksheet: How Do We Know How Old Earth Is?
A short reading passage about types of evidence used to estimate Earth's age is provided before giving junior geologists a research assignment. They define petrology, stratigraphy, and paleoontology. They describe the job of a geologist...
6th - 9th Science