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Lesson Plan
Curated OER

Radioactive Simulations

For Teachers 9th - 12th
Students simulate radioactive decay and nuclear power using an on line interactive web site. In this on line lesson plan, students monitor radioactive isotopes and record the activity of a particular element as the decay progresses. They...
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Worksheet
Curated OER

Radioactive Dating

For Students 9th - 12th
In this radioactive dating worksheet, students use their reference guide in their text book to find the half-lives of 4 isotopes. They use a decay chart to help determine the half-lives and age of given bones and samples of radioactive...
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Interactive
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1
PhET

Isotopes and Atomic Mass

For Students 6th - Higher Ed Standards
Some isotopes are unstable, or radioactive, meaning they will decay over time and turn into another isotope or stable element. In the interactive simulation, participants manipulate elements to create isotopes and gather information....
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Lesson Plan
Virginia Department of Education

Radioactive Decay and Half-Life

For Teachers 9th - 12th
Explain the importance of radioactive half-life as your high school biologists demonstrate the concept by performing a series of steps designed to simulate radioactive decay. Pupils use pennies to perform an experiment and gather data....
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Worksheet
Curated OER

Demonstrating the Half-Life of a Radioactive Isotope

For Students 8th - 10th
In this half-life learning exercise, students use 100 pennies to simulate radioactive isotopes and half-life. They place the pennies in a box and shake the box. All pennies that turn up tails are removed from the box. They represent the...
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Lesson Plan
Cornell University

Isotope Rummy

For Teachers 9th - 12th
Thanks to this game, teaching isotopes will never be the same. Physical science scholars work their way toward understanding isotopes in an entertaining game. Pupils play rummy in groups while practicing good sportsmanship and creating...
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Lesson Plan
Virginia Department of Education

Isotopes

For Teachers 9th - 12th
Lead your class through the amazing world of isotopes as they investigate the various properties they contain and further understand their respective location on the periodic table. They explore half-lives and radioactivity as each...
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Worksheet
Curated OER

Radiochemistry

For Students 9th - 12th
In this radiochemistry activity, students read about how scientists learn more about elements using radioactive isotopes. Students answer three critical thinking questions about the reading and radiochemistry.
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Lesson Plan
Curated OER

Radioactive Decay and Half-Life

For Teachers 9th - 12th
High schoolers describe how the mass of a radioactive isotope changes with time and the factors that affect the rate of radioactive decay. They write nuclear decay equations to represent natural transmutation. This activity is...
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Lesson Plan
Curated OER

Radioactive Isotopes

For Teachers 9th - 12th
Learners describe an isotope and radioactive isotope in a written essay. They describe how a specific country or region was affected by radioactive contamination and attempt to sympathize with those affected by these radioactive...
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AP Test Prep
College Board

2004 AP® Environmental Science Free-Response Questions

For Students 10th - 12th
Radioactive isotopes have a wealth of uses, but their waste may cause some concern. One of four free-response questions challenges learners to devise a waste removal strategy for medical radioactive substances. Other questions address...
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Worksheet
Curated OER

Half-life Worksheet

For Students 11th - 12th
In this half-life worksheet, students determine how long it takes for a 100g sample of AU-198 to decay to 6.25g. Then they determine the half-life of a radioactive isotope if a 500.0g sample decays to 62.5g in 24.3 hours. Students also...
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Lesson Plan
Curated OER

Radioactivity Experiments

For Teachers 9th - 12th
Students study the difference between types of ionizing radiation and how elements are transmuted. They determine that radiation is normal and surrounds us. They calculate the amounts of alpha, beta and gamma radiation emitted from a...
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Lesson Plan
Curated OER

Teaching Radioactive Decay: Radioactive Half-life And Dating Techniques

For Teachers 9th - 12th
Students generate a radioactive decay table for an imaginary element using a box filled with pinto beans and M&M's. They 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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Lesson Plan
Curated OER

What is the Relationship Between Radioactivity and Radon?

For Teachers 9th - 12th
In this radon and radioactivity worksheet, high schoolers 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...
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Worksheet
Curated OER

Radioactivity-What is the Nucleus Like?

For Students 9th - 12th
In this radioactivity instructional activity, students answer 40 questions about half life, isotopes, radioactive decay, the uses of radioactivity, nuclear equations and the scientists associated with radioactivity.
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Worksheet
Curated OER

Half-Life Problems

For Students 9th - 12th
In this half-life worksheet, high schoolers calculate the half-life of isotopes, they find masses of isotopes remaining after specified times, and they find particular amounts of time needed to pass for given masses of isotopes to decay.
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Worksheet
Curated OER

Radioactive Half-Life

For Students 10th - Higher Ed
In this half-life worksheet, students determine how much of the radioactive isotopes will remain after a certain amount of time. This worksheet has 11 problems to solve.
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Lesson Plan
Curated OER

Industrialization of the American Landscape

For Teachers 9th - 12th
High schoolers explore the Chernobyl incident and the resulting environmental health impacts. They explore three different isotopes that were released into the atmosphere. Through inquiry, students determine the difference between...
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Worksheet
Curated OER

Nuclear Decay

For Students 9th - 12th
In this nuclear decay worksheet, students read about alpha and beta decay and the isotopes formed by the reactions. Students solve nine problems including writing the equations for the decay of radioactive isotopes, identifying the...
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Lesson Plan
Curated OER

Isotopes of Pennies

For Teachers 9th - 12th
Students 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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Assessment
Curated OER

Physics 152 Fall 2004 Final Exam, Parts A, B, C, D

For Students 9th - Higher Ed
At the end of a general physics course focused on light and electricity, you can administer this exam. Concepts covered include electromagnetism, circuits, induction, light rays, lenses and mirrors, characteristics of light, electron...
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Lesson Plan
NASA

MASS, MASS – Who Has the MASS? Analyzing Tiny Samples

For Students 9th - 12th
What is it worth to you? A hands-on lesson asks groups to collect weights of different combinations of coins and calculate weighted averages. They use the analysis to understand the concept of an isotope to finish the third lesson in a...
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Lesson Plan
Virginia Department of Education

Determining Absolute Age

For Teachers 9th - 12th
How can radioactive decay help date old objects? Learners explore half-life and radioactive decay by conducting an experiment using pennies to represent atoms. Young scientists graph data from the experiment to identify radioactive decay...

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