Displaying 67681-67700 of 71392 bookmarks
Resource Type: Website / HyperLinkBotEC: The Magnitude of Geologic Time
Grades: No grades selected.Subjects: No subjects selected.Question The oldest rock yet to be found on the earth is from Canada and is radiometrically dated at 3.8 billion years old. Vari...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkIchnofacies
Grades: No grades selected.Subjects: No subjects selected.This web page provides an overview of some of the types of ichnofacies. Using diagrams, descriptions and a chart, this page desc...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: DocumentCoal-Bed Gas Resources of the Rocky Mountain Region: National Assessment of Oil and Gas Fact Sheet
Grades: No grades selected.Subjects: Earth's Resources, Agriculture & Natural ResourcesThis USGS fact sheet addresses coalbed methane resources in the Rocky Mountain region. Topics covered include a description of c...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkUnderstanding Evolution: Evo-Devo
Grades: No grades selected.Subjects: Earth's Resources, Evolution and AdaptationThis module from the University of California Museum of Paleontology explores and defines various aspects of evo-devo including ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkNavajo Nation
Grades: No grades selected.Subjects: GeographyThis site is an informational website about Navajo culture. Information includes the meaning of the Navajo flag, the origin of t...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkGlacial Retreat
Grades: No grades selected.Subjects: Earth & Space Science, Earth's Resources, Weather, Climate & Atmosphere, Ecology & Ecosystems, Current ScienceStudents use historical data on the extent of the Grinell Glacier in Glacier National Park to estimate when the glacier will mel...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkImage Gallery of Bering Sea Wildlife
Grades: No grades selected.Subjects: Life SciencesThis resource contains images of Bering Sea wildlife, including birds, marine mammals, whales and fish. Historical photographs a...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkReading Topographic Maps and Calculating Map Scale
Grades: No grades selected.Subjects: Earth & Space Science, Earth's Resources, MathematicsUse a topographic map to deliniate a watershed, draw a map bar scale, and calculate a map ratio scale.Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkPacific Northwest Seismograph Network: List of M4.0 or larger earthquakes in Washington and Oregon
Grades: No grades selected.Subjects: Geology & the Dynamic Earth, Agriculture & Natural ResourcesThis site provides a list of magnitude 4.0 or larger historical earthquakes in Washington and Oregon. The list begins in 1872 bu...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkOceanography Activities
Grades: No grades selected.Subjects: No subjects selected.This set of online oceanography activities helps students learn about ocean waves and El Niño-Southern Oscillation (ENSO). The w...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkBotEC: The Scale of Earth's Atmosphere
Grades: No grades selected.Subjects: Weather, Climate & AtmosphereQuestion: Air is our most precious resource. Without food, we can live for weeks and without water, we can live for days. But wi...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkHumboldt State University Museum of Natural History: Cretaceous
Grades: No grades selected.Subjects: Life SciencesFrom the first flowering plants to marine reptiles, this site provides an overview of life in the Cretaceous. Information about ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkMap and Data for Quaternary Faults and Folds in Wyoming
Grades: No grades selected.Subjects: Geology & the Dynamic Earth, Agriculture & Natural ResourcesThe primary objective of this U.S. Geological Survey Open-file Report is to improve seismic-hazard assessments in regions of Wyo...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkBe the Block: Working the Geologic Block Diagram as an Inquiry Tool
Grades: No grades selected.Subjects: Geology & the Dynamic Earth, Agriculture & Natural Resources, Education, Child Development & Family ServicesWorking with data, students develop 3-D understandings of Earth structures using inference to construct a block diagram from a c...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkMy Special Place
Grades: No grades selected.Subjects: Earth & Space Science, Earth's Resources, Agriculture & Natural ResourcesStudents pick a place of significance to them (their Special Place) for analysis in this semester-long project. (A model is prov...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkMiddle Proterozoic Belt Supergroup, Western Montana
Grades: No grades selected.Subjects: No subjects selected.From Great Falls, to Butte, Helena Glacier National Park and Spokane, this field trip crosses onto the leading edge of the Rocky...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkFossilization and Taphonomy
Grades: No grades selected.Subjects: No subjects selected.This is a classroom exercise from the Idaho Museum of Natural History on the preservation of fossils. The exercise is designed f...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkWater Co-produced with Coalbed Methane in the Powder River Basin, Wyoming: Preliminary Compositional Data
Grades: No grades selected.Subjects: Earth's Resources, Agriculture & Natural ResourcesThis 20-page USGS report from preliminary data focuses on water that is produced with the development of coalbed methane in the ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkGEO-Logic: How Well Do You Know Your National Parks and Memorials
Grades: No grades selected.Subjects: Earth & Space Science, Earth's ResourcesStudents are asked to associate historical figures with a particular National Park or Memorial (and its size) as well as the num...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0
Resource Type: Website / HyperLinkSomething about Plesiosaurs
Grades: No grades selected.Subjects: Earth's Resources, Structure and Function in Living Things, Evolution and Adaptation, Life Sciences, Human Anatomy & PhysiologyThis site provides a complete, illustrated guide to plesiosaurs accompanied by numerous links to detailed information about the ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0