Geologic Time Scale
Students recreate and comprehend the geologic time scale. They discuss how long humans have been around on Earth. Students are shown the geologic time scale and its different parts. They work in groups to recreate the 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