Methods, absolute and relative
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Science of determining the age of rocks is called? | Geochronology
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| Relative geologic dating is? | places with geologic events, and the rocks representing those events, in sequence. *which event preceded or followed another.
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| Actual Geologic dating or absolute is? | The actual age of rocks in years.
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| Atomic number is? | Number of protons in the nucleus
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| Atomic Mass is? | Sum of masses of its protons and neutrons.
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| Isotopes are? | Two or more varieties of the same elemet that have idential atomic numbers but different mass numbers!
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| Radioactive decay is? | Losing particles from nucleus
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| Alpha particles are? | Positively charged ions of the element helium. Weight of 4 and atomic number of 2.
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| Beta Particles are? | Electron that is released when a neutron splits into a proton and an element.
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| Gamma radiation is? | invisible electromagnetic waves
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| Daughter elements are formed from? | the radioactie decay of the parent element. New atomic number.
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| A halflife is? | The amount of time it takes for half a atom to decay.
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| What are fission tracks? | Small tunnels that are produced when high-energy particles from Uranium nuclei were fired off furing spontaneious fission.
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| Metamorphic rocks? | You can get the age of metamorphism or the gae of the orginal rock
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| Sedimentary rocks? | You can get the age of the orginial rocks that produced the sediment grains
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| What does grain size indicate? | The cooling history
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| Radiometric dating? | Radio active decay- unstable isotopes
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Created by:
johnsonhm
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