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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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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
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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5
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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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
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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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
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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11
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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12
Geologic time can be difficult for people to understand. Our own lives are so short when we compare them to the age of the Earth, that the hundreds of millions of years of geologic time are almost too much to grasp. But for us to understand Earth activities today, we must have at least some basic...
Grade Level   5 6 7 8
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13
Animations about our planet, Earth. Part I: Our Island in Space, Part II: Earth Materials, Part III: Tectonic Activity of a Dynamic Planet, Part IV: History Before History, Part V: Earth Resources, and Part VI: Processes and problems at the Earth's Surface.
Grade Level   9 10 11 12
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14
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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15
This is a modelling task, involving drawing and counting, to enable pupils to visualise the effects of different numbers of continents on global biodiversity. The activity enables pupils to account for the findings in terms of the effects of differing numbers of continents and areas of shallow sea...
Grade Level   9 10 11 12
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16
While the 'Principle of superposition of strata' states that younger rocks are found above older ones, there are certain unusual geological conditions causing older rocks to be found on top of younger ones. Through this activity, pupils can model the unusual geological conditions where the...
Grade Level   10 11 12
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17
In this game, you will see a series of five images showing the positions of earth's continents during different geologic periods. You will have two minutes to arrange them in the correct order.
Grade Level   9 10 11 12
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18
This activity has been devised to address the common lack of knowledge about geological time. Research has shown that many people have no idea of the great length of geological time nor of the order of key events during the geological history of the Earth. Students will make a geological timeline...
Grade Level   9 10 11 12
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19
In this investigation, you'll have the opportunity to learn about the many geological features in our country's national parks. You might not realize this, but a large number of the national parks were created because of their amazing geology. Just think of the geological features of Yellowstone...
Grade Level   6 7 8
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20
Follow along with host Kirk Johnson as he explores the layers of rock that make up the Grand Canyon, in this video from NOVA: Making North America: Origins. Many geologists think that the Grand Canyon is the best place in the world. Its exposed rock layers allow them to see hundreds of millions of...
Grade Level   6 7 8 9 10 11 12
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