Curated OER
What is the Nucleus Like?
In this nucleus of an atom worksheet, students answer 19 multiple choice questions about the structure of the atom, radioactive decay, isotopes and half life.
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Radioactive Decay: A Sweet Simulation of a Half-life
High schoolers demonstrate rates of decay of unstable nuclei can be measured. They understand ratios and multiplication of fractions. They simulate radioactive decay. They read about the accomplishments of scientists.
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What is the Relationship Between Radioactivity and Radon?
In this radon and radioactivity worksheet, students analyze the data of the isotopes of elements that occur in the decay series of uranium-238. Students answer 6 questions about the isotopes, their half-lives, their potential threat and...
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Measuring Absolute Time
In this absolute time worksheet, learners answer eleven questions about ways to measure the age of fossils. They define half-life, answer questions about radioactive dating, tree rings and varves.
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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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Determining the Age of Fossils
High 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.
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M&M Science and Math
A series of math and science activities feature M&M's® as manipulatives to help kids work through equations. The resource includes exercises on finding averages, percent of compositions, moles in chemical reactions, genotypes and...
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Radioactive Decay
Learners generate a radioactive decay table for an imaginary element, use their data to plot a decay graph, develop the concept of half-life, and use the graph to "age" several samples.
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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.
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Absolute Dating/Radioactive Dating
Learners explore radioactive decay. In this radioactive atoms lesson students complete a lab to help them understand the relationship between radioactive atoms vs stable atoms.
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The Nucleus / Nuclear Reactions and Elementary Particles
Students describe how radioactivity relates to alpha and beta particles. Using their properties, they write a descriptive paper about the gamma rays and alpha and beta particles. They calculate q-values and the half-life of a given...
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Elements and Compounds
Students explain how radioactive decay occurs. In this physical science lesson, students simulate radioactive half-life through an experiment. They graph their data and share their results in class.
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Absolute Ages of Rocks
In this rocks instructional activity, students review the process of absolute dating of rocks and compare it to the relative dating process. This instructional activity has 16 fill in the blank questions.
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Absolute Ages of Rocks
In this ages of rock activity, students review the processes involved with determining the ages of rocks which includes the radioactive decay of carbon-14. This activity has 5 matching and 5 short answer questions.
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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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What Is Radon?
Students examine what radon is and which isotope it belongs. They discuss the characteristics of isotopes in general and the atomic number. They complete a worksheet to complete the lesson.
National Museum of Nuclear Science & History
Alphas, Betas and Gammas Oh, My!
Referring to the periodic table of elements, nuclear physics learners determine the resulting elements of alpha and beta decay. Answers are given in atomic notation, showing the atomic symbol, mass, atomic number, and emission particles....
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Finding the Ages of Rocks and Fossils
Students 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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Earth System Science
Students 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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How Do We Measure Absolute Time?-Geologic Clocks
For 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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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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A Phylogenetic Perspective for the Cladistically Challenged
Students use M&Ms to simulate radioactive decay of elements.
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Chemical Reaction
In this chemical reaction worksheet, students label the missing particles as natural decay, induced, fission, or fusion. Students calculate the energy change for the given reactions. This worksheet has 6 fill in the blank and 4 problems...
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What is Radioactivity?
Learners use a geiger counter to record changes in the amount of radioactivity produced by different objects. They research articles which mention radiation and discuss them. They work together to complete an activity and worksheet.