Timeline of earth s eras
Earth Timeline: From 4.5 Billion Years Ago To Today | Science Trends
Land plants, amphibians, and insects came into existence between 435 million and 225 million years ago during what scientists refer to as the Paleozoic era. Dinosaurs dominated the Mesozoic era, which began about 225 million years ago. The most recent era, titled the Cenozoic, began about 65 million years ago.
[DOCX File]Unit 5: History of Earth & Evidence for Evolution of Life
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Integrated Art, Science, and Materials. Geologic Timeline with Fossils . Subject: Life Science-Earth/Life History. Grade Level: 7th Grade. Rationale: In this 3-part classroom community activity, students will be constructing a Geologic Timeline to show the Earth’s biologic and geologic history to gain perspective on the succession and age of Earth’s important events.
[DOCX File]WordPress.com
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Geologic, eras, periods and epochs. (See attached geologic timeline.) Procedure: Using long lengths of paper and meter sticks, students will make a timeline of the earth’s history, 4.5 billion years.
[DOC File]Geologic Time Scale
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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 ...
[DOC File]Geologic Timeline – Reference Table HW
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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.
[DOCX File]Lesson Plan: Understanding Geologic Time - Casper College
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Planet Earth formed about 4.5 billion years ago - that’s a really, really long time ago! To describe Earth’s vast history, scientists use a geologic timescale. They divide it into long segments of time called eras. Each era is further divided into periods. Earth events and organisms characterize each era and period.
[DOC File]Geologic Timeline Activity - UCSB MRSEC
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For example, you have seen models of the solar system, models of the structure of the Earth, and models of weather patterns (i.e. weather maps). Today you are going to model the geologic history of Earth. Unlike other models, you are going to make a strange, timeline-like model using a calendar. Assume: Age of the Earth = 4,600,000,000 years
[DOC File]Geologic Time Scale:
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Scientists have divided the Earth’s history into several periods, based on fossil and rock evidence. For this activity you will construct a timeline based on these eras. Each era and period should be shown with the name, time range and at least one illustration PER PERIOD. Turn in with your name on the back and the most recent year on the ...
[DOC File]Modeling the Geologic Time line and the Development of ...
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, what hemisphere contained most of the Earth’s landmass? During which time . period. were . glaciers (aka “continental ice”) most recently active in New York State? Geologic Timeline – Reference Table HW. List these 3 geologic eras from oldest to youngest: Mesozoic, Cenozoic, Paleozoic. List the . 3 periods. that make up the . Mesozoic
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