Daily Questions What is Uniformitarianism? State what these earth science acronyms stand for POOH LOS LOCCR What are the six examples of cross cutting.

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Presentation transcript:

Daily Questions What is Uniformitarianism? State what these earth science acronyms stand for POOH LOS LOCCR What are the six examples of cross cutting we have talked about 3 faults 3 igneous intrusions

Daily Plans-Week of October 18th-Monday Geologic Time Scale Time division notes-in your notebook, keep it out. Creation of a pneumonic device Knowledge Test #2-Friday-order of Eons- Eras and Periods. -you wll be giv en you just have to organize.

Daily Questions Know your Greek and Latin Define the following words and prefixes Phaneros, Zoic, Chronos, iso, Paleos, Cenos, Meso Name the: Eon, Era and Period that we live in During what period did most of the major oil deposits develop? (look at the names)

Daily Plans-Week of October 18th-Tuesday Absolute Dating How do we actually know how old different layers are? Yes, we have to do a little Chem review Prior knowledge investigation Quick notes Practice Homework-Decay Challenge

Daily Questions Elements with different atomic masses are called _______ Element X decays to Y with a HL of 10 years. I find a rock with 5g of X and 75 g of Y. What is the age of the rock? What are the only type of rocks we can do a radiometric analysis of?

Daily Plans-Week of October 19th-Wednsday Absolute dating Fossil intro-I wrote the notes for you Putting it all together Practice with absolute and relative dating independent work day. Finish the following in order: Nuclear Changes Side cut analysis Finish your 3D models. Decay Challenge- alternative Credit-30 pts You have to show me how you got it.

Can you give me the 2 Eons 3 Eras 11 periods In order?

Test Cenozoic Cambrian Cretaceous Quaternary Mesozoic Ordovician Tertiary Silurian Triassic Paleozoic Permian Jurassic Carboniferous PreCambrian Devonian Phanerozoic

Dating done most often Index Fossils Short lived easily identified fossils that indicate a certain period in time Short Term radiometric dating U-238 does have a half-life of Billion years. However, the decay rate does average out to about one part in a million ever 160,000 years. This means that if I started with 1 million grams of a U-238, 160,000 years later one gram should have decayed to PB-206.

Test Cenozoic Cambrian Cretaceous Quaternary Mesozoic Ordovician Tertiary Silurian Triassic Paleozoic Permian Jurassic Carboniferous PreCambrian Devonian Phanerozoic

Daily Questions I find a rock with an element A with a half-life of 100 years. It decays to Element B. A rock sample contains 7 grams of Element A and 49 grams of Element B. What are three different types of fossils? Be ready to do the Eons, Eras and Periods pre-test.

Daily Plans- Week of October 18th-Thursday Finish work day Practice test Get some blank paper Work on selected work: Nuclear changes Side cut analysis Decay Challenge-alternitive credit Finish 3D models Practice test for Tuesday

ABAge

Daily Questions U-238 decays at a rate of 1g for every 1,000,000 g every 160,000 years. If I find a rock that is 999,998g U-238 and 2g Pb-206, how old is the rock? If find a layer that has the fossil Inoceramus labiatus Approximately, how old is the layer?

Daily Plans-Week of October 18th-Friday Eons, Eras and Periods Knowledge test 21 different blanks-3 pts each 2nd Eon is on the side. 10 min time limit When finished, remain quiet until everyone is finished-you may go in the back to quietly work Finish all work-anything not complete must be finished for homework. N. Changes, side cut analysis Practice Test for Tuesday.