Curated OER
Rock of Ages
Students use a video, the Internet and hands-on activities to explore how to determine the age of rocks and fossils based on radioactive decay data.
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Experimental Rate Law
In this reaction rate worksheet, students determine the molecularity of a reaction plus show that the predicted rate law equals the experimental rate law. This worksheet has 3 problems to solve.
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Date a Rock!
Young scholars figure the number of half-lives since the sample solidified, and therefore the "age" of the sample rocks.
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The Nucleus
In this atoms worksheet, students review terms associated with atoms which includes isotopes, transmutation, and radioactive decay. This worksheet has 11 short answer questions.
Illustrative Mathematics
Accuracy of Carbon 14 Dating II
The scientific issue of carbon-14 dating and exponential decay gets a statistics-based treatment in this problem. The class starts with a basic investigation of carbon content, but then branches out to questions of accuracy and ranges of...
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Chernobyl 1 - Radiation Released
Students investigate the Chernobyl nuclear disaster by mapping out the winds carrying radiation and viewing a short video about the aftermath and subsequent health problems. They then calculate the amount of radiation that people were...
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Earth System Science
Learners investigate the age of the earth by using accepted scientific methods. They conduct research about the use of radioactive dating and there is a simulation activity of the process. Finally, students measure the radioactive decay...
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Fossil Inferences
Fourth 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...
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Absolute Ages of Rocks
In this rocks worksheet, students review the process of absolute dating of rocks and compare it to the relative dating process. This worksheet has 16 fill in the blank questions.
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Elements
In this elements worksheet, students determine the atomic number, mass, number, electrons, protons, and neutrons for elements. Students review the electromagnetic spectrum. This worksheet has 1 graphic organizer and 13 multiple choice...
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How Does Probability Relate to Radon?
Students read an article about probability and radon. They practice using a hand held geiger counter to understand the properties of radiation and radioactivity. They identify the harmful and helpful effects of radiation as well.
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Watershed Investigations
Students find maps of the region to show rock formations and soil types and use GIS to compare radon levels. They describe three types of radioactive decay, interpret graphs, and follow steps to develop a nuclear bomb or energy.
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A Scale of the Earth
Students create a scale model of the different eras, periods, and epochs of Earth's 4.6 billion year history. In addition to different time periods, other major events will also be added to the model from fabricated radioactive decay...
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Development of the Atomic Theory
In this atomic theory worksheet, learners complete a paragraph describing the development of the atomic theory by filling in the blank with 21 terms.
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Finding the Ages of Rocks and Fossils
Young scholars practice dating fossils. They learn the concept of "deep time"--that earth was formed billions of years ago. They experience excellent hand-outs and virtual age tutorial links.
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Frosty the Snowman Meets His Demise: An Analogy to Carbon Dating
Students read and discuss an article about carbon dating, then participate in a hands-on lab to discover how carbon dating works. Students also write a letter to a friend explaining the process, and how archeologists use the process to...
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Nuclear Chemistry
In this nuclear chemistry learning exercise, students answer 9 questions. They balance nuclear equations, they write balanced equations, they calculate decay and they find binding energy of atoms.
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Kinetics Practice 2-Key
In this kinetics worksheet, students solve seven problems related to chemical reactions and their rates. Students identify rate laws for mechanisms, they draw reaction diagrams, and they determine rate constants.
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How Do We Measure Absolute Time?-Geologic Clocks
In 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.
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Isotopes of Pennies
Pupils demonstrate that isotopes of an element have different masses. They illustrate atomic mass and neutrons. The periodic table is examined in length. Display of a collection of atoms is surveyed.
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Not In My Backyard: The Nature and Danger of Nuclear Radiation
Students evaluate the ways to control exposure to radiation and determine how to deal with the problem of nuclear waste in a rational rather than an emotional way.
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Math 155 - Worksheet 10. Logarithm
In this logarithm instructional activity, students read story problems, write an equation to solve the problem, and leave the answer in logarithm or exponential form. They find the derivative of given functions. This two-page...
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How Sensitive Are The Lungs to Radon?
Students examine the effects of radon on the lungs. They review pictures of the lungs on a large and small scale. They work together to answer questions to complete the lesson.
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What is Radon?
Learners read an article about radon and its properties. They examine a periodic table and identify the numbers surrounding an element. They discuss the harmful and helpful effects of radiation.