Curated OER
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.
Curated OER
Nuclear Power
In this nuclear power instructional activity, students read how atoms can be changes and are unstable. Students compare 3 kinds of radiation and the difference between fission and fusion. Then students complete 10 matching and 2 short...
Curated OER
Rock of Ages
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.
Curated OER
Radioactive Samples
Students examine the different types of radioactivity. In this radioactive samples lesson students complete a lab activity on radiation and complete a handout.
Curated OER
Determining the Age of Fossils
Students explore radioactive dating using a radiometric Dating website. In this chemistry lesson plan, students will work in small groups to collect data that shows how fossils are dated. As a follow-up, students will research a...
Curated OER
Radioactive Decay
In this radioactivity worksheet, students compare alpha particles with beta particles and determine which is more damaging to human tissue. This worksheet has 6 fill in the blank and 6 short answer questions.
Curated OER
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...
Curated OER
Half-life Worksheet
For 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...
Curated OER
The Nucleus
In this atoms activity, learners review terms associated with atoms which includes isotopes, transmutation, and radioactive decay. This activity has 11 short answer questions.
Curated OER
Radioactive Half-Life
For 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.
Curated OER
Determining the Age of Fossils
High schoolers examine the concept of radioactive dating. In this radioactive dating instructional activity, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.
Curated OER
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...
CK-12 Foundation
Radiocarbon Dating
How do we know how long ago a dinosaur lived or an ancient fire pit was used? Scholars learn about the application of carbon dating and half lives to discover things about the past. They adjust the amount of radioactive carbon in the...
Curated OER
Absolute Ages of Rocks
For this age of rocks worksheet, students answer five matching questions about terms related to the decay of atoms. They use a strip of paper to simulate half life of atoms and determine the total amount of time it took to deplete the...
Virginia Department of Education
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...
Curated OER
Industrialization of the American Landscape
Students 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 types of...
Curated OER
Nuclear Chemistry
In this nuclear chemistry worksheet, students answer 9 questions. They balance nuclear equations, they write balanced equations, they calculate decay and they find binding energy of atoms.
Curated OER
Radioactive Beans
Students investigate radioactive atoms. In this radioactive beans lesson, students experiment with split peas and beans to determine what happens when a radioactive atom decays.
Curated OER
Half-Life Problems
In this half-life worksheet, students 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.
Curated OER
Half Life Lab
Seventh graders 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 half-life.
Curated OER
What is the Relationship Between Radioactivity and Radon?
Students examine the relationship between radioactivity and radon. They practice using a geiger counter with different materials. They answer questions to complete the lesson.
Curated OER
What is Radioactivity?
Students 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.
Science Geek
Nuclear Chemistry
Which bichemicals wash up on shore? Nucleotides! Presentation covers alpha, beta, and gamma radiation. Includes a comparison of fission versus fusion. Presentation is the second in a five-part series.
Curated OER
Earth's Age: The Dating Game
Students conduct a simulation to determine radioactive decay and half-life. Using pennies, dice or sugar cubes as isotopes placed in shoe boxes simulating rocks, they hold five trials representing 1000 years each to find the theoretical...