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100 200 400 300 400 Relative Dating Absolute Dating Geologic Time Scale and Fossils Misc. 300 200 400 200 100 500 100.

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Presentation on theme: "100 200 400 300 400 Relative Dating Absolute Dating Geologic Time Scale and Fossils Misc. 300 200 400 200 100 500 100."— Presentation transcript:

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3 Relative Dating Absolute Dating Geologic Time Scale and Fossils Misc

4 Row 1, Col 1 Relative dating provides Us with… What is the sequence or order of events in which the rocks were laid down?

5 1,2 Otzi the Ice man And the Lindow mans ages Were found using ______ dating. What is C-14 or Absolute?

6 1,3 Longest division of geologic time What is an era?

7 1,4 Why would we not Find fossils in rocks cooled from Magma? What is the fossils would melt and be destroyed?

8 2,1 An igneous intrusion cuts Through other rock layers What is cross cutting?

9 2,2 The element that the original Radioactive element Decays into. What is the daughter product?

10 2,3 About 88% of Earths History is within this time Period. What is Pre-Cambrian?

11 2,4 Sample A has gone through 3 half-lives. The half-life of the Element is 500 years. How Old is sample A? What is 1500 years old?

12 3,1 When rock layers are incomplete. Can be caused by Erosion. What is unconformity?

13 3,2 The original radioactive element Before it begins to decay. What is the parent material?

14 3,3 Molds, Casts, Petrification And Carbonization What are different methods of fossil preservation?

15 3,4 To match up rock layers by Looking at clues. What is to correlate?

16 4,1 Remains or traces of once Living organisms Lived for a certain known Time period and can Be used to date things. What is fossils and index fossils?

17 4,2 The time it takes for 50% Of the radioactive Isotope to decay. What is half-life?

18 4,3 Where would we break up The time line below To represent recent geologic history And geologic past? What is …? Today 4.6bya

19 4,4 Difference between absolute and Relative dating. What is R= sequence or order of events, A= Age in years of a sample?

20 5,1 Which is the oldest rock layer? Which is the youngest? What principle tells us this? What is I, R and the principle of superposition?

21 5,2 How many half-lives has an Element undergone if there is 25 grams of parent Material and 75grams of Daughter? What is two half-lives?

22 5,3 Why do we know more about Recent geologic history Than events occurring in geologic Past? What is fossil record, preservation and destroying of clues and evidence?

23 5,4 Fill in the table if we start With 100g of the sample. Parent Material (50, 25), Daughter Product (50, 75) Hal-lifeParent MaterialDaughter Product 1 2


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