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![Story Behind the Science: Just How Old Is Earth? [Pdf] Article](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Story Behind the Science: Just How Old Is Earth? [Pdf] Article")
Story Behind the Science
Story Behind the Science: Just How Old Is Earth? [Pdf]
Article describing efforts in the 19th and 20th centuries to determine the Earth's age, particularly using naturally occurring radioactivity. It notes that scientific disciplines frequently overlap in the work they do. Questions are...
CK-12 Foundation
Ck 12: Half Life
[Free Registration/Login may be required to access all resource tools.] In this module, students will explore the radioactive decay process in terms of balanced nuclear equations to discover the concept of half-life.
Other
How to Date a Fossil
Radiometric dating, fission-track dating, and amino-acid dating are explained in this succinct site.
Science Education Resource Center at Carleton College
Serc: Teaching Radioactive Decay & Radiometric Dating
A laboratory activity that teaches the difficult concept of radioactive decay by means of a fluid (shampoo) flowing through holes from an upper to a lower beaker. Using the exponential decay equation, young scholars then 'date' the...
CK-12 Foundation
Ck 12: Physics Simulation: Marie Curie's Classroom
[Free Registration/Login Required] Study the basics of radioactive decay and the properties of atomic nuclei in Marie Curie's laboratory and classroom. A PDF worksheet and a video tutorial are also available. [3:32]
Utah Education Network
Uen: Isotopic Dating Activity
Students will do research relating half-life and the age of radioactive substances on interesting topics.
![Pbs Teachers: Coming Into America: Dating Artifacts 9 12 [Pdf] Unit Plan](https://content.lessonplanet.com/knovation/original/120529-1fff0a46b8b0ffc6cda465ec2fb4d28e.jpg?1661418872 "Pbs Teachers: Coming Into America: Dating Artifacts 9 12 [Pdf] Unit Plan")
PBS
Pbs Teachers: Coming Into America: Dating Artifacts 9 12 [Pdf]
Investigate new discussions on the presence of humans in North America, and emulate the work of archeologists in dating artifacts at a dig site. Use clay to model how the radioactive isotope of carbon (C14) is used in dating organic...
McGraw Hill
Mc Grawl Hill: Dino Dig
A virtual lab allows you to do radiometric dating on dinosaur bones. You'll be using a mass spectrometer and utilizing several steps of the scientific method.
Khan Academy
Khan Academy: Mcat: Physical Processes: Atomic Nucleus: Decay Graphs and Half Lives Article
Explains how scientists can tell when radiation has been leaked, how to read a decay graph, what we mean by a half-life, and what carbon dating is.
Georgia Department of Education
Ga Virtual Learning: Historical Geology
In this interactive tutorial you will explore how geologists use clues in rocks to determine the order in which rocks formed. Learn how principles of radioactivity are used to assign actual ages to rocks. Students will explore fossils...
Department of Defense
Do Dea: Ap Calculus: Radioactivity and Half Life [Pdf]
Apply the Law of Exponential Change to solve a "real-world" science problem. Formulas and examples are provided. Great review for the AP Calculus test!
Other
Georgia Perimeter College: Radiometric Dating Assignment
This educational resource provides information to help students understand the concept of half life.
CK-12 Foundation
Ck 12: Earth Science: Age of Earth
[Free Registration/Login may be required to access all resource tools.] How scientists have been able to determine the age of Earth.
Nobel Media AB
The Nobel Prize: Antoine Henri Becquerel Biographical
Read about Becquerel's (1852-1908 CE) contributions to the world of science, which earned him The 1903 Nobel Prize in Physics. This detailed biography includes important dates as well as an overview of his world with radioactivity.
Other
Images Si Inc: Geiger Counter
An image of a Geiger Counter and definitions of the types of rays a counter can detect, alpha, beta and gamma. Includes inventor and date of invention. Continue on "Next," page for even more info.
US Geological Survey
The Numeric Time Scale
This is a good source for getting an in-depth description of using radioactive decay to measure the ages of rocks. In addition to describing the process of radiometric dating, this resource also includes a geologic time scale and four...
Georgia Department of Education
Ga Virtual Learning: Geologic Time and Correlation
In this amazing interactive tutorial you will learn about what methods are used by geologists to learn about the history of the Earth. Investigate a geologic time scale and learn about how scientists have developed and organized a record...
Wikimedia
Wikipedia: Carbon
This article from Wikipedia contains great information on the element carbon. Links are provided throughout the article to provided additional information. The topics include: Notable Characteristics, Applications, History, Allotropes,...
Curated OER
Smithsonian Institution Archives: Edith Kroupa
Austrian research chemist Edith Kroupa, 1934. The original caption dated September 18, 1934, reads: "While revolution upset Vienna, Miss Edith Kroupa, research chemist working with a new method of microchemical analysis in the laboratory...