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Six Exponential Decay Problems
In this exponential model worksheet, students solve six exponential decay multiple choice questions and one free-response half life question. The solutions are provided..
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Absolute Dating/Radioactive Dating
Students explore radioactive decay. In this radioactive atoms lesson students complete a lab to help them understand the relationship between radioactive atoms vs stable atoms.Â
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Radiation Reassessed
Students investigate the dangers of radiation by exploring recent nuclear tragedies. Â In this scientific debate lesson, students define the idea of radiation "half life" and determine if low doses of radiation are truly damaging to a...
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NUMB3RS Activity: A Matter of Half-Life and Death
Students investigate exponential decay. Students explore the biological half-life of Cesium-137. Students investigate the Goiania Accident of 1987 which is considered one of the worst incidents in the history of the Atomic Age.Â
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Nuclear Chemistry
In this nuclear chemistry learning exercise, students solve nine decay problems. They determine what forms in each problem given the radioactive element.
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Bellwork April 12-16
In this bellwork worksheet, students answer questions about the Paleozoic and Mesozoic eras. They answer questions about fossils, half life, and radioactive material.
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Measuring Absolute Time
In this absolute time worksheet, students 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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Radioactivity
In this radioactivity worksheet, students write the mass number and atomic number for the missing element in the reactions. Students identify the isotope that is more stable and determine the half-life of the isotope. This worksheet has...
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Experimental Rate Law
In this reaction rate learning exercise, students determine the molecularity of a reaction plus show that the predicted rate law equals the experimental rate law. This learning exercise has 3 problems to solve.
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First Order Kinetics
For this kinetics worksheet, students determine the concentration and half life of compounds at a specific rate constant. This worksheet has 4 problems to solve.
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Chemical Reactions
In this chemical reactions worksheet, students write rate expressions, determine the order of reactants and the rate law, and calculate the rate constant from data. Students calculate the half-life for given reactions. This worksheet has...
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Absolute Ages of Rocks
In 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.
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work in pairs for the activities of this lesson which include researching and identifying butterflies, writing, and a brief oral presentation.
Young scholars explore the concepts of rdioactive decay and dating. They generate a radioactive decay table, use their data to plot a decay graph, develop the concept of half-life, and then use the graph to find the age of a mummified...
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Radioactive Decay
Students explore what radioactive decay is and are able to relate it to the concept of half-life. They are given 100 green beads that represent radioactive atoms and 100 white beads that represent stable, non-radioactive daughter atoms....
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Get a Half-life!
Students explore decay functions and the half-life of a substance. Through an M&M activity with calculators, students collect and graph data. They determine the linear, quadratic and exponential functions of the graph. Students...
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Radiation
Students distinguish between natural and man-made radiation. They measure radiation using a Geiger counter and investigate footprints of radiation.
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Get a Half Life!
Eighth graders use M&M's to experiment with data. They use a graphing calculator to determine the best equation for their data; linear, quadratic or exponential. They analyze the data to find the half-life of their M&M's.
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Radioactive Decay/Half Life
Students demonstrate radioactive decay using candy corns. In this Physics lesson, students make predictions, collect data and form conclusions about patterns in radioactive decay.
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Geological History Vocabulary
In this geological history worksheet, students define 17 terms associated with index fossils, nuclear decay, and radioactive decay.