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Interactive
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\n\"Radioactive\n\n
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\nPhET\n
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\nRadioactive Dating Game\n

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\n\nFor Students\n\n6th - Higher Ed\n\nStandards\n
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\nUranium 235 has a half-life of over 700 million years and is the fuel used in the atomic bomb dropped on Hiroshima, Japan. Pupils see the half-lives and decay rates of Carbon-14 and Uranium-238. They also take measurements of these two...\n
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Lesson Plan
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\n\"Who\n\n
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\nCurated OER\n
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\nWho Was Here First? Relative Dating\n

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\n\nFor Teachers\n\n10th - 12th\n
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\nLearners read about and complete question activities for the topic of relative dating. In this relative dating lesson, students read information for the topic and then complete two activities to further their understanding of geologic...\n
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Unit Plan
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\n\"The\n\n
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\nColumbus City Schools\n
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\nThe Mystery of Earth’s History\n

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\n\nFor Students\n\n8th\n\nStandards\n
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\nEvery living creature can leave a fossil record, yet most fossils belong to extinct organisms rather than ones currently living. Scholars learn about dating rock layers, fossils, and the environment of the past. Pupils understand that...\n
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Worksheet
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\n\"How\n\n
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\nCurated OER\n
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\nHow Do We Measure Absolute Time?-Geologic Clocks\n

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\n\nFor Students\n\n7th - 10th\n
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\nIn this absolute time worksheet, students define radiometric dating, tree rings and varves as means to measure absolute time. They are given information about each of these methods of dating.\n
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Lesson Plan
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\n\"Determining\n\n
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\nCurated OER\n
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\nDetermining the Age of Fossils\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nHigh schoolers explore radioactive dating using a radiometric Dating website. In this chemistry lesson plan, students will work in small groups to collect data that shows how fossils are dated. As a follow-up, high schoolers will...\n
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Instructional Video4:56
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\n\"How\n\n
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\nAmerican Chemical Society\n
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\nHow Do We Know the Age of the Earth?\n

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\n\nFor Students\n\n9th - Higher Ed\n
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\nSome 4.565 billion candles would be needed for a birthday cake for Earth. Young scientists view a video to learn about historical attempts to determine the age of Earth. They see how advances in radioactive dating led to the currently...\n
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Lesson Plan
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\n\"Determining\n\n
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\nCurated OER\n
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\nDetermining the Age of Fossils\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nHigh schoolers examine the concept of radioactive dating. In this radioactive dating lesson, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay. \n
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Lesson Plan
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\n\"Geologic\n\n
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\nCurated OER\n
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\nGeologic Time: Relative and Absolute Dating\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nStudents investigate relative and absolute dating; determine the difference between the two dating systems; and apply this knowledge by creating a geologic timetable of their own.\n
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Lesson Plan
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\n\"Understanding\n\n
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\nCurated OER\n
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\nUnderstanding the Geologic Timescale\n

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\n\nFor Teachers\n\n7th - 10th\n
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\nStudents identify and analyze how the geologic time scale was developed by investigating 11 periods of time and the vast expanse of time of the Earth's existence. They study their period, determine the important factors indicative to...\n
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Worksheet
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\n\"Absolute\n\n
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\nCurated OER\n
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\nAbsolute Ages of Rocks\n

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\n\nFor Students\n\n9th - 12th\n
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\nIn this ages of rock worksheet, students review the processes involved with determining the ages of rocks which includes the radioactive decay of carbon-14. This worksheet has 5 matching and 5 short answer questions.\n
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Lesson Plan
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\n\"Fossil\n\n
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\nCurated OER\n
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\nFossil Inferences\n

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\n\nFor Teachers\n\n4th\n
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\nFourth graders use their knowledge about fossils to arrange fossil pictures in sequence from oldest to youngest. They explain how fossils can be used to make inferences about past life, climate, geology, and environments and discover...\n
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Worksheet
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\n\"Absolute\n\n
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\nCurated OER\n
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\nAbsolute Ages of Rocks\n

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\n\nFor Students\n\n9th - 12th\n
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\nIn this rocks activity, students review the process of absolute dating of rocks and compare it to the relative dating process. This activity has 16 fill in the blank questions.\n
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Lesson Plan
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\n\"Evidence\n\n
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\nVirginia Department of Education \n
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\nEvidence of Evolution\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nWhat an impression fossils make! In this activity, aspiring paleontologists view fossils and construct a timeline to further understand how the lack of natural adaptation caused historical organisms to become extinct. While they...\n
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Lesson Plan
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\n\"Examining\n\n
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\nCurated OER\n
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\nExamining the Fossil Record\n

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\n\nFor Teachers\n\n9th - 10th\n
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\nStudents create an evolutionary tree based on fossil morphology and their ages. In this fossil record lesson plan, students are given 23 pictures of fossil. They study their morphology and arrange the fossils by age and structures on a...\n
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Lesson Plan
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\n\"A\n\n
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\nCurated OER\n
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\nA Phylogenetic Perspective for the Cladistically Challenged\n

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\n\nFor Teachers\n\n6th - 12th\n
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\nStudents use M&Ms to simulate radioactive decay of elements.\n
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Lesson Plan
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\n\"13\n\n
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\nCurated OER\n
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\n13 Ways to Tell Time Backwards\n

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\n\nFor Teachers\n\n7th - 12th\n
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\nStudents explore different ways geological time can be measured: comparing the time dimensions for each method, the mechanisms of each method, and the materials used.\n
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Lesson Plan
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\n\"Introduction\n\n
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\nCurated OER\n
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\nIntroduction to Graphical Representation of Data Sets in Connection with Nuclear Decay\n

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\n\nFor Teachers\n\n7th - 8th\n
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\nStudents record data, make observations, and share in experimentation and discussion of numerical experiments.\n
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Handout
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\n\"University\n\n
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\nUniversity of North Carolina\n
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\nUniversity of North Carolina: Radiometric Dating\n

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\n\nFor Students\n\n9th - 10th\n
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\nA huge site from The University of North Carolina regarding radiometric dating, how it works, inaccurate methods, Carbon-14 dating, and lots more.\n
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Article
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\n\"Talk\n\n
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\nTalk Origins Archive\n
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\nTalk Origins Archive: Radiometric Dating and the Geological Time Scale\n

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\n\nFor Students\n\n9th - 10th\n
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\nA lengthy article with lots of information about radiometric dating, including pictures and charts.\n
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Instructional Video
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\n\"Annenberg\n\n
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\nAnnenberg Foundation\n
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\nAnnenberg Learner: Radiometric Dating of a Rock\n

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\n\nFor Students\n\n9th - 10th\n
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\nA look into how a scientist can tell the approximate age of a rock by using radiometric dating. [4:40]\n
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Unit Plan
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\n\"University\n\n
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\nUniversity of Colorado\n
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\nUniversity of Colorado: Ph Et Interactive Simulations: Radioactive Dating Game\n

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\n\nFor Students\n\n9th - 10th\n
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\nLearn 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...\n
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Unit Plan
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\n\"University\n\n
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\nUniversity of Colorado\n
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\nUniversity of Colorado: Ph Et Interactive Simulations: Radioactive Dating Game\n

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\n\nFor Students\n\n9th - 10th\n
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\nLearn 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...\n
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Unit Plan
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\n\"University\n\n
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\nUniversity of Colorado\n
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\nUniversity of Colorado: Ph Et Interactive Simulations: Radioactive Dating Game\n

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\n\nFor Students\n\n9th - 10th\n
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\nExplore various types of radiometric dating.\n
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Instructional Video
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\n\"Pbs\n\n
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\nPBS\n
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\nPbs Learning Media: Radiometric Dating\n

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\n\nFor Students\n\n9th - 10th\n
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\nIn this video segment from A Science Odyssey, scientists explain how Earth's age was determined by examining the radioactive rocks in Earth's crust.\n
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