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We found 162 reviewed resources for radioactive isotopes
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Chemistry Simulations from PhET
Bring your science classroom into the 21st century with this collection of digital simulations. From an introduction to the states of matter to balancing chemical equations and investigating radioactive decay, these engaging interactives...
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Radioactive Simulations
High schoolers 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...
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What are Radioactive Isotopes (Radionuclides)
Create a little excitement with a radioactive resource! An engaging lesson builds a solid understanding of the nature of radioactive isotopes. The narrator explains the desire of a nucleus to become stable, which leads to radioactive...
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Radioactive Isotopes
A Geiger counter is used to detect emission of alpha particles, beta particles, and gamma rays. The teacher experiments to find out which materials block each of these forms of radiation. The camera is focused on the measuring instrument...
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Isotopes and Half-Life: What Are Medical Isotopes?
How do medical professionals use radiation without doing more harm than good? Budding nuclear chemists begin their study of all things radioactive with a video from the JFR Science playlist. Topics include differences between isotopes,...
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How Old is it Really? - How Do We Know that the Earth is 4.6 Billion Years Old?
Eight neat slides lead to the understanding of how geologists have determined Earth's age. Most of the slides are dedicated to explaining the absolute dating method of assessment. Color diagrams display radioactive isotopes and a graph...
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Uses of Radioactivity
Radioactivity is often perceived as dangerous and a threat to our well-being, but you may be surprised at the different applications of this natural chemical process. From the smoke detectors in our homes to treatments for cancer, this...
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Oh, My! What a Family Tree!- A Lesson About Radioactive Isotopes
Eleventh graders explore the characteristics of stable and unstable (radioactive) isotopes. Pupils use the perspective of isotopes to explain the characteristics of their "family trees." They describe how members of a family (brothers...
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Radioactive Dating
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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Isotopes and Atomic Mass
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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Radioactive Decay and Half-Life
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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Demonstrating the Half-Life of a Radioactive Isotope
In this half-life worksheet, 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 isotopes...
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Isotopes
Altering the subatomic nature of an atom affects its properties. The video illustrates the idea of an isotope using Carbon-12, Carbon-13, and Carbon-14 as examples.
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What Are Isotopes? Chemistry Basics
Use animations to explain the concept of an isotope. Young scholars view a lesson from the Reaction series dedicated to isotopes. They learn what an isotope is and why they are important to complete a great back-to-basics lesson.
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Radiation vs. Radioactive Atoms
What's the difference between radiation and radioactive atoms? See the public share their opinions in an interview-driven video. The narrator discusses alpha and beta particles versus the atoms that can release them and relates this...
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Isotope Rummy
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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Radioactive Decay Chains
After introducing your class to radioactive decay and walking them through the changes in the numbers of atomic particles, give them an opportunity to write equations for the first six daughters in a Uranium-238 decay chain. They also...
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Isotopes
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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The Most Radioactive Places on Earth
Who receives that greatest amount of radioactive exposure? After visiting some of the most radioactive places on earth, including Chernobyl and Fukushima, viewers consider the exposure of radiation workers, astronauts, and cancer...
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Radiation and Radioactivity
Explore the science of radioactivity! A very thorough video lesson begins with an explanation of the chemical structure of radiation. It includes descriptions of benefits of radioactivity and half-life calculations.
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Radiochemistry
In this radiochemistry learning exercise, 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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Radiation vs. Radioactive Atoms
Why are people afraid of nuclear power plants? A video in the Veritasium playlist explains that radiation doesn't travel very far, yet people still worry. Then it discusses the possible release of radioactive atoms, which do travel a...
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Radioactive Decay and Half-Life
Students 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 accomplished...
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Radioactive Isotopes
Students 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...