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Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Alpha Decay

For Students 9th - 10th
Watch alpha particles escape from a polonium nucleus, causing radioactive alpha decay. See how random decay times relate to the half life. Java required.
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Unit Plan
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Radioactive Dating Game

For Students 9th - 10th
Learn about different types of radiometric dating, such as carbon dating. Understand how decay and half life work to enable radiometric dating. Play a game that tests your ability to match the percentage of the dating element that...
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Unit Plan
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Radioactive Dating Game

For Students 9th - 10th
Explore various types of radiometric dating.
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Unit Plan
California State University

California State University Virtual Courseware Project: Radiocarbon Dating

For Students 9th - 10th
Use interactive graphs and other diagrams to answer questions about carbon dating.
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Handout
University of Michigan

University of Michigan: Radioactivity in Nature

For Students 9th - 10th
An interesting essay about the prevalence of radioactivity in nature, with chart showing where it is found and information about half lives.
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Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Alpha Decay

For Students 9th - 10th
Via this interactive SIMS experiment, students will grasp better understanding of decay in alpha particles and their relationship to half life. Lessons and teacher tips included.
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Activity
Texas Instruments

Texas Instruments: Numb3 Rs: A Matter of Half Life and Death

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson introduces students to the topic of exponential decay and half-life. The lesson is built around Cesium-137, a radioactive isotope, and it's declining radioactivity over the course...
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Activity
Texas Instruments

Texas Instruments: Half Life Lab

For Teachers 9th - 10th
This activity explains how students use a CBL2 and TI-83 or TI-84 calculator to collect and calculate the half-life of a barium isotope. Students can use an isogenerator to milk out a meta stable isotope of Barium with a short half-life....
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Handout
University of Colorado

University of Colorado: Physics 2000: Halflife

For Students 9th - 10th
An interactive tutorial on half life. Very readable and has a little extra for the advanced student.
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Lesson Plan
National Health Museum

Access Excellence: Teaching Radioactive Decay

For Teachers 9th - 10th
This is a lesson plan involving the simulation of the radioactive decay of an imaginary substance.
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Unit Plan
BBC

Bbc: Gcse Bitesize: Radioactive Emissions

For Students 9th - 10th
This lesson focuses on radioactive emissions including radioactive decay, half-life, using half-life, how to calculate net decline, a table showing how the count rate of an isotope might change over time, and a link to a test.
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Unit Plan
Other

American Institute of Physics: Marie Curie and Radioactivity

For Students 9th - 10th
A very readable account of the discovery of radioactivity and its properties.
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Article
Khan Academy

Khan Academy: Mcat: Physical Processes: Atomic Nucleus: Decay Graphs and Half Lives Article

For Students 9th - 10th
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.
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Activity
Other

Georgia Perimeter College: Radiometric Dating Assignment

For Students 9th - 10th
This educational resource provides information to help students understand the concept of half life.
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Unit Plan
PBS

Pbs Teachers: Coming Into America: Dating Artifacts 9 12 [Pdf]

For Teachers 9th - 10th
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...