Geological time scale of earth
[DOC File]Geologic Time Scale:
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Describe the geologic time scale and explain why it is used. Identify and describe the major events in Earth’s geologic history. TEACHER. Warm up. Finish Geological time scale era (TRANSPARENCIES)pp.184-196. AGENDA- Fri. June 4, 2004. STUDENTS. Library (PERIODS 1, 5, 6 Periods 2, 3( Work on Projects. Worksheet 2 due. CALIFORNIA STATE STANDARD
[DOC File]Geologic Time Scale Foldable Project
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Label the scale: 6 cm = 1 billion years ago (Bya) 4. From the left side of the paper measure in 6 cm and make a vertical mark and label this mark 4 billion years ago (Bya). Measure and mark every 6cm thereafter, labeling with 3 Bya, then 2 Bya and finally 1 Bya.
[DOC File]Group 1 Geological Time Scale
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Examine how the geologic time scale summarizes Earth's history. Analyze physical and biological changes that have occurred over time. Identify major events that occurred in geologic time. Observe the model of the geologic time scale . Procedure. Below you have been provided with a scaled chart to show the geological time scale.
[DOC File]Geologic Time Scale
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Geological Time Scale. Contrasting several dating techniques chronicling Earth’s history to produce a geologic Time Scale. Geologic Time Scale- divided into Eons, Eras, Periods, and Epoches. Phanerozoic Eon (evidence of life began) divided into three eras. Paleozoic (ancient …
[DOC File]Modeling the Geologic Time line and the Development of ...
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Write the title: Geologic Time Scale on the top flap. Underneath write the definition of the geologic time scale. On the left-hand bottom portion of flap of flap#2, write: Early Earth. On the top of this flap, write a description of Early Earth in your own words. Use pg. 288 as a resource.
[DOC File]Chapter 8: Geological Times
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Earth forms 4.56 Formation of the moon 4.45 Oldest known zircon 4.4 Oldest known rocks 4.0 Period of major impact events on moon 3.9 Oldest known banded iron formation (free oxygen in the ocean) 3.8 Major interval of banded iron formations 2.4-1.8 Snowball Earth events 0.713, 0.635, and 0.580 Ediacaran fauna 0.549-0.543 Cambrian explosion ...
[DOC File]ERA - Weebly
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geological time scale (table 23.1) pertains to the history of the earth from its formation 4 to 4.5 billion years ago to the present. The ages of rocks can be measured in years by analyzing naturally occurring radioactive elements found in certain rocks and minerals in minute quantities.
The Eras of the Geologic Time Scale
Geologic Time Scale is a timeline that organizes the events in Earth’s history, like a calendar. Single-celled organisms dominated most of Earth’s history. Plants and fish have only evolved within the past 500 million years.
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