Thursday:
1. How do scientists use radiometric dating to date objects? 2. How old is a fossil that has 1/4 of the parent material and the half-life is equal to 5,000 years.
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1. What is radiocarbon dating?
2. If a rock has gone through 3 half lives, what percentage of parent material is left? 1. Relative date the outcrop below. 2. Under what two conditions are fossils most likely to be formed?
a. quick burial or slow burial b. hard body parts or soft body parts 3. Explain what is natural selection. |
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March 2016
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