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"geologic time" » "geological time", "geology time"
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The Paleontological Research Institution serves society by increasing and disseminating knowledge about the history of life on Earth.
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2
Need a quick reference to the geologic time scale of Earth's history? Try out out Free geotimescale 2 app! Find out, for example, when dinosaurs ruled the world or when reptiles first appeared. This is an excellent reference for students, educators, professional geologists, or anyone interested in...
Grade Level   9 10 11 12
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3
Sample questions and answers from the GEOSC 20 Final Exam in 1996
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4
Published in 2012
Trilobites were distinctly related to crabs and lived in the sea from 526 million years ago until they became extinct 250 million years ago. There were many different species and 17-000 types of fossil trilobite have been found, ranging in size from only a few millimeters to more than half a meter...
Grade Level   6 7 8 9 10 11 12
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5
The New York Paleontological Society was founded as a forum to inform and educate its members and the public at large concerning the nature, interrelationships nd evolutionary development of all kinds of living things throughout geologic time , especially through the study of their fossils and...
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6
The age of fossils intrigues almost everyone. Students not only want to know how old a fossil is, but they want to know how that age was determined. Some very straightforward principles are used to determine the age of fossils. Students should be able to understand the principles and have that as a...
Grade Level   8 9
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7
By XKCD
This website provides a timeline of Earth's temperature beginning thousands of years ago, to the current and future times to show how much warming earth has encountered.
Grade Level   9 10 11 12
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8
Geologic Heritage encompasses the significant geologic features, landforms, and landscapes characteristic of our Nation which are preserved for the full range of values that society places on them, including scientific, aesthetic, cultural, ecosystem, educational, recreational, tourism, and other...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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9
"This activity asks """"deep questions"""" about sedimentary structures to help pupils to visualize the environment in which they formed."
Grade Level   9 10 11 12
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10
Paleontologists are the geoscientists who discover and study fossil evidence of past life. Sometimes they even find the footprints of dinosaurs that roamed the surface of the Earth long ago. Ever wonder how paleontologists are able to determine, based on fossil evidence, whether a particular...
Grade Level   7 8 9 10
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11
Published in 2006
Fossils provide a valuable record of the plant and animal life and environmental conditions from millions, even billions of years ago. In this lesson, students create their own fossils, and then use multimedia resources to learn how real fossils form and what scientists can learn from them.
Grade Level   3 4 5
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12
At the close of the 18th century, the haze of fantasy and mysticism that tended to obscure the true nature of the Earth was being swept away. Careful studies by scientists showed that rocks had diverse origins. Some rock layers, containing clearly identifiable fossil remains of fish and other forms...
Grade Level   5 6 7 8 9 10 11 12
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13
The record of life on Earth stretches over 3 billion years. Deep time and Earth history are keys to understanding the present. The record of life on Earth stretches over 3 billion years, with evidence ranging from chemical signatures in rocks and ancient biological molecules to fossils of colossal...
Grade Level   6 7 8 9 10 11 12
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14
By TED-Ed
Published in 2013
The Earth is 4.6 billion years old -- but how can humans relate to a number so colossal, and where do we fit on the geologic timeline? Comparing the Earth's lifetime to one calendar year, events like the extinction of dinosaurs and Columbus setting sail took place relatively recently. Joshua M....
Grade Level   6 7 8 9 10 11 12
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15
This interactive lesson from Annenberg Learner takes you through different time periods of major plate tectonic movement, from Pangea to present day.
Grade Level   9 10 11 12
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16
Published in 2014
Learn how experts joined forces to figure out what happened at the end of the Cretaceous, 66 million years ago. Meet Dr. Kirk Johnson, a paleobotanist and Sant Director of the National Museum of Natural History. While you may know about the extinction of large dinosaurs, you might not realize that...
Grade Level   6 7 8
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17
Published in 2006
In this lesson, students are introduced to the theory of plate tectonics and explore how the theory was developed and supported by evidence. Through class discussion, videos, and activities, students seek connections between tectonic activity and geologic features and investigate how the theory of...
Grade Level   6 7 8
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18
Published in 2015
"This short video tells the """"""""story behind the scenery"""""""" covering both the geology and geoheritage , how the midcontinental rift gave rise to Lake Superior that is the basis of the area's water-based history and economy, the copper deposits that shaped the region's settlement and growth,...
Grade Level   9 10 11 12
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19
By TEDx
Published in 2016
While studying sediments on the ocean floor to trace the history of the earth, Ali noticed tiny creatures were re-shuffling small sediments of earth, changing its order. What are the implications of this discovery? Find out in this informative talk. Ali earned his Master's degree from the University...
Grade Level   9 10 11 12
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20
Published in 2005
Students may be able to tell you how long ago dinosaurs lived, but it is difficult to conceptualize that enormous amount of time. The following activity will help students gain an understanding of geologic time.
Grade Level   5 6 7 8
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