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Geologic Time Scale. Geologic Time Scale Fossils.

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Presentation on theme: "Geologic Time Scale. Geologic Time Scale Fossils."— Presentation transcript:

1

2 Geologic Time Scale

3 Fossils

4 The Dating Game

5 True or False

6 Rock & Roll

7 Grab Bag

8 Geologic Time Scale The Dating Game True or False Rock & Roll Fossils Grab Bag 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500

9 First life form (cyanobacteria) What is Precambrian Time?
Geologic Time Scale - 100 First life form (cyanobacteria) appeared in this time… What is Precambrian Time?

10 The Earth is believed to be billion years old.
Geologic Time Scale - 200 The Earth is believed to be billion years old. What is 4.6?

11 Earth’s history broken down into smaller units is known as…
Geologic Time Scale - 300 Earth’s history broken down into smaller units is known as… What is Geologic Time Scale?

12 Plate tectonics in this era resulted in the distribution of organisms…
Geologic Time Scale - 400 Plate tectonics in this era resulted in the distribution of organisms… What is Mesozoic?

13 These 2 events made it possible for
Geologic Time Scale - 500 These 2 events made it possible for single cell organisms to develop into more complex organisms… What is oxygen & ozone?

14 Fossils are remains, imprints or traces of once-living .
What are organisms (or things)?

15 What is petrified remains?
Fossils - 200 Some or all of the organisms original tissue has been replaced with minerals. What is petrified remains?

16 Type of fossil where actual organism
Fossils - 300 Type of fossil where actual organism is found preserved in amber, frozen in ice or trapped in tar. What is original remains?

17 Fossils - 400 This type of fossil organism lived for a short period of geologic time, is wide spread, easy to identify and there were a lot of them. What is an Index Fossil?

18 Three important conditions for What is having hard parts?
Fossils - 500 Three important conditions for a fossil to form are 1) buried quickly 2) not exposed to extreme heat and pressure and … What is having hard parts?

19 The Dating Game - 100 If you can’t find the absolute age of a fossil you can find the absolute age of the that it is found in. What is rock?

20 This law states that in sedimentary
The Dating Game - 200 This law states that in sedimentary rock, the oldest layer is on bottom and the youngest layer is on top. What is the Law of Superposition?

21 What is Absolute Dating?
The Dating Game - 300 Method used to determine the age of a rock. This process uses atoms (isotopes) in rocks to find their exact age. What is Absolute Dating?

22 What is Law of Cross-Cutting Relationship?
The Dating Game - 400 One of the relative dating principles It says that a fault or igneous rock intrusion is younger than the rock it cuts through. What is Law of Cross-Cutting Relationship?

23 Process used to determine the absolute ages of rocks by measuring
The Dating Game - 500 Process used to determine the absolute ages of rocks by measuring the amount of parent material and daughter material in the rock, and knowing the half-life of the parent. What is Radiometric Dating?

24 What is False? (Devonian period)
True or False - 100 Fish were dominant in the Cambrian period of the Paleozoic Era. What is False? (Devonian period)

25 At the end of the Paleozoic Era Pangaea came together changing
True or False - 200 At the end of the Paleozoic Era Pangaea came together changing the environment. This caused a 90% mass extinction of mammals. What is False? (marine organisms - mammals didn’t exist yet)

26 True or False - 300 Catastrophic events can drastically effect the Earth’s surface and the organisms living at the time. What is True?

27 True or False - 400 Some scientists believe that dinosaurs became extinct due to a meteor event which caused a major change in the Earth’s climate. What is True?

28 All the earth’s tectonic plates move an average of 1 centimeter
True or False - 500 All the earth’s tectonic plates move an average of 1 centimeter per year. What is False? (the average is 2-5cm)

29 Rock & Roll - 100 Processes by which water dissolves minerals, creating a natural glue, causing sediments to stick together. What is cementation?

30 Processes by which rocks change into
Rock & Roll - 200 Processes by which rocks change into other rocks. What is the Rock Cycle?

31 The movement of weathered material.
Rock & Roll - 300 The movement of weathered material. What is erosion?

32 When lava & magma cool it becomes
Rock & Roll - 400 When lava & magma cool it becomes this type of rock. What is Igneous Rock?

33 Rock & Roll - 500 Name the geologic principles you would use to put the following events in age order. What are the law of superposition and the law of cross cutting relationships?

34 This forms when tectonic plates move away from each other.
Grab Bag - 100 This forms when tectonic plates move away from each other. What is new ocean floor or continental crust?

35 Plate tectonics can result in a change in _______.
Grab Bag - 200 Plate tectonics can result in a change in _______. What is climate?

36 The name of the super continent
Grab Bag - 300 The name of the super continent shown here. What is Pangaea?

37 What is Uniformitarianism?
Grab Bag - 400 Theory that the Earth’s surface changes slowly over long periods of time (and is still changing today). What is Uniformitarianism?

38 What is the age order of these
Grab Bag - 500 What is the age order of these rocks and events from OLDEST TO YOUNGEST? What is D, C, B, A, Folding, E?

39 Daily Double


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