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Joe Ryan's Science
Question | Answer |
---|---|
The body of an insect is preserved in amber this is an example of? | original remains |
What is a fossil? | Living things from a long time ago |
Relative Age | Age of an object in relation to other objects |
Index Fossils | Fossilized remains from a long time ago |
absolute age | How old something is determined by the original remains |
radioactive dating | Used with igneous rocks |
What is Hutton's theory of Uniformitarianism? | Look up the answer |
Have humans existed for most of Earths History? | Look up the answer |
What does the geologic time scale divide earths history into? | Look up the answer |
Are changes on earth gradual? | Look up the answer |
Why do Igneous rocks NOT contain fossils | Look up the answer |
Dinosaur footprint fossil | Example of a trace fossil |
The width of the rings on a tree section indicate what? | How much the tree grew in different years |
The earliest fossils are from | One-celled organisms |
What is the result when the soft part of an organism decays quickly? | Look up the answer |
Breakdown of radioactive material is measured in what? | half-lives |
Smallest unit of geological time | Measured in epoch |
Precambrian time refers to what? | Look up the answer |
Study the Rock Layer and Fossil Diagram | Study the Rock Layer and Fossil Diagram |