Encyclopedia of Earth
Encyclopedia of Earth: Climate Change: Ice Cores and History of Climate Change
Article describing research done in the West Antarctica, where ice cores were removed to a depth of two miles, providing information on climate change over the last one hundred thousand years. (Date published: Feb. 2, 2011)
Other
World Wildlife Fund: Earth Hour
Earth Hour began in Australia in 2007 and was taken worldwide in 2008. What it means is that participants are asked to turn off their lights on a specific date at a specified hour, to send a strong message to governments to take stronger...
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Dating Popcorn
In this activity, students use popcorn to simulate the process scientists use to date layers in an ice core.
CK-12 Foundation
Ck 12: Earth Science: Principles of Relative Dating
[Free Registration/Login may be required to access all resource tools.] Introduces Steno's laws, which allow scientists to decipher the geological events that occurred and the order in which they took place, including how the relative...
Science Education Resource Center at Carleton College
Serc: Relationships Between Tree Ring Dating, Wildfires, and Floods
For this lesson students will understand the four spheres of the earth and how they relate to one another. This project uses a combination of Internet investigations and multiple field investigations to develop an understanding of the...
CK-12 Foundation
Ck 12: Earth Science: Principles of Relative Dating
[Free Registration/Login may be required to access all resource tools.] How relative positions of rocks allow scientists to compare their ages.
CK-12 Foundation
Ck 12: Earth Science: Correlation Using Relative Ages
[Free Registration/Login may be required to access all resource tools.] How rock layers in different locations can be connected to make pictures of a region's geology.
CK-12 Foundation
Ck 12: Earth Science: Correlation Using Relative Ages
[Free Registration/Login may be required to access all resource tools.] How rock layers in different locations can be connected to make pictures of a region's geology.
CK-12 Foundation
Ck 12: Earth Science: Earth History and Clues From Fossils
How scientists can learn information about the past from fossils. [Free Registration/Login may be required to access all resource tools.]
CK-12 Foundation
Ck 12: Earth Science: Earth History and Clues From Fossils
[Free Registration/Login may be required to access all resource tools.] How scientists can learn information about the past from fossils.
CK-12 Foundation
Ck 12: Earth Science: Earth History and Clues From Fossils
[Free Registration/Login may be required to access all resource tools.] How scientists can learn information about the past from fossils.
CK-12 Foundation
Ck 12: Biology: Earth Forms and Life Begins Study Guide
This comprehensive study guide covers the main terms and concepts needed for a unit on the origin of life.
University of Kentucky
University of Kentucky: Important Dates and Cool Creatures in Earth History
A bullet list of important events in Earth's history broken down by eons, eras, periods, and epochs.
CK-12 Foundation
Ck 12: Earth Science: Determining Relative Ages
[Free Registration/Login may be required to access all resource tools.] Distinguishes how to tell which rock unit is older than the ones around it and so reveal the geologic history of the region.
Utah State Office of Education
Utah Science: Rocks & Minerals
A unit on rocks and minerals presented with interactive and classroom activities. Gain understanding of rocks, weather, erosion, earthquakes, and relative dating with this resource.
NASA
Nasa Earth Observatory: Natural Hazards: Fires
Browse forest fires across the world. Learn about these natural hazards as you browse by date or region.
CK-12 Foundation
Ck 12: Earth Science: Radiometric Dating Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about methods used in radiometric dating. Includes a few questions to check for understanding.
ClassFlow
Class Flow: Rock Record Relative Dating
[Free Registration/Login Required] This flipchart presents information about how the earth was formed. It discusses methods of dating the layers of the earth's surface. Assessment questions are included.
Australian Broadcasting Corporation
Australian Broadcasting Corporation: News in Science: Found! Oldest Chunk of Earth's Crust
From ABC News in Science, Will Dunham's article covers research connected to the discovery of a chunk of Earth's crust found in Greenland which possibly dates over 3.8 billion years.
CK-12 Foundation
Ck 12: Earth Science: Radiometric Dating
[Free Registration/Login may be required to access all resource tools.] Elaborates on radioactive decay as a tool for determining the age of certain minerals and other materials, including the limits of the technique.
US Geological Survey
Usgs: Geologic Time
This large U.S. Geological Survey site offers a look at the age of the earth, how radiometric dating is used to calculate it, the major divisions of geologic time, and the classification and use of fossils.
CK-12 Foundation
Ck 12: Earth Science: Radiometric Dating
[Free Registration/Login may be required to access all resource tools.] How scientists can use radioactive decay to find the age of certain materials.
CK-12 Foundation
Ck 12: Earth Science: Tree Rings, Ice Cores, and Varves
[Free Registration/Login may be required to access all resource tools.] How scientists can determine age and other features of a rock or material it contains.
CK-12 Foundation
Ck 12: Earth Science: Tree Rings, Ice Cores, and Varves
[Free Registration/Login may be required to access all resource tools.] How scientists can determine age and other features of a rock or other material.