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- Grade Range
- 6th - 8th
- Rating
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. Full Review »
- Grade Range
- 7th
- Rating
Students model radioactive decay using pennies, collect data from their model, apply scientific visualization techniques to their data and create animated models explaining the concept of radioactive halflife. Full Review »
- Grade Range
- 9th - 12th
- Rating
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 using pennies to represent isotopes. Full Review »
- Grade Range
- 11th
- Rating
Students 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 and sisters) are alike in many ways but different in some ways just like isotopes. Full Review »
- Grade Range
- 10th - 12th
- Rating
Students calculate the amount of a radioactive substance remaining after an integral number of half-lives have passed. they simulate radioactive decay using candy and graph their results. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students 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. Full Review »
- Grade Range
- 9th - 12th
- Rating
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 radioactive sample. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students investigate the more formal techniques involved in the determination of the age of rocks. Using video, the Internet and hands-on activities in this lesson, students determine the age of rocks and fossils based on radioactive decay data. Full Review »
- Grade Range
- 6th - 12th
- Rating
Students simulate the half-life of an element that exhibits radioactive decay using a shoe box and coin model. They view a video about elements and compounds which includes information on the experiments of Marie Curie to relate the model activity and graphs they generate to the real world. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students identify and interpret when radioactive decay processes occur in accordance with first order kinetics. They use pieces of candy, count them and record the data of those with the print side up. Finally, students graph the number of undecayed atoms (candies) verse the time. Full Review »
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