Absolute Ages of Rocks
In this ages of rock worksheet, high schoolers review the processes involved with determining the ages of rocks which includes the radioactive decay of carbon-14. This worksheet has 5 matching and 5 short answer questions.
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How Old is it Really? - How Do We Know that the Earth is 4.6 Billion Years Old?
Eight neat slides lead to the understanding of how geologists have determined Earth's age. Most of the slides are dedicated to explaining the absolute dating method of assessment. Color diagrams display radioactive isotopes and a graph...
9th - 12th Science