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[DOC File]Making a Geologic Time Line
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Origin of the Earth. On the far right corner (as close to the edge as possible), place the word: Today. 6. Label the year and name of each era on your geologic time scale using the scale of roughly 6 cm = 1 billion years ago. HINT: Not all eras will be equal in size, as some have lasted longer than others. 7.
eras of the earth timeline

[DOC File]media.pearsonschool.com
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15. Great worldwide changes in geology or forms of on Earth mark the boundaries of eras. Earth Science Chapter Tests 70. Name Class Date Short Answer. In complete sentences, write the answers to the questions on the lines provided. 1. Briefly describe each of Steno’s principles. 2. What is an unconformity?
eras of the earth chart

[DOC File]Geologic Eras - Miss Hamilton
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The earth can be divided into four main geologic eras. An era is a span of time in the earth’s history where significant geologic events occurred.
earth's eras and periods

[DOCX File]www.science.earthjay.com
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Just as your life’s history is broken up into sections, the history of the Earth is broken up into smaller sections called Eons. Your life history can be broken up into sections and labeled as decades, like, the 90’s (1990-1999), the teens (2010-2019). Eons can be broken down even further, they call these Eras.
all eras in order

[DOC File]Modeling the Geologic Time line and the …
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The scale should model the real time of planet earth. Students can choose to construct a linear geological time line or compare the geologic time scale to a year, month or day on earth, etc. Be creative! Using “table 23.1”, plot the different divisions: eras and periods on your time scale.
the era in order

Notes on Diversity of Life, Fossils and Geologic Time
Precambrian is the name given to the earliest span of time in Earth history. Geologists divide the time between Precambrian and the present into three long units called eras (Paleozoic, Mesozoic, Cenozoic). The names of the eras are important, as is the order from oldest era to most recent. Eras are subdivided into units called periods.
four types of era

[DOC File]Making a Geologic Time Line
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We will create a timeline of the 3 most recent eras. of earth history, the Paleozoic, Mesozoic, and Cenozoic. The Archaezoic and Protozoic Eras (Precambrian) will not be included in this timeline. These two eras take up 85% of the total length of geologic time.
4 major geological eras

[DOC File]Geologic Time Scale:
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Organizing Earth’s History. The . 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. Humans evolved about 110,000 years ago.
earth's eras in order

[DOC File]Geologic Time Webquest
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1. In order from oldest to present, what are the three eras of geologic time? 2. Which era do we live in? 3. When you were born, which era was it? (answers may vary) 4. During which era did the first fish develop? 5. During which era did the first humans develop? 6. Which era is known as the "Age of the Dinosaur?" 7. Which era is known as the ...
eras of the earth timeline

Eras of the earth