Radioactive Dating Teacher Resources

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Learners investigate the age of the earth by using accepted scientific methods. They conduct research about the use of radioactive dating and there is a simulation activity of the process. Finally, students measure the radioactive decay of actual rocks to estimate the actual age of the earth.
In this half-life worksheet, students are guided through the steps of solving radioactive decay problems. They solve nine problems finding rates of decay, half-life and quantities of substances remaining after given amounts of time.
Students identify the importance of studying exponential decay. In this quadratic functions lesson plan, students simulate radioactive decay in small groups. Students also present the results found in the investigation and explain why an exponential decay function is an exponential function.
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.
Students find maps of the region to show rock formations and soil types and use GIS to compare radon levels. They describe three types of radioactive decay, interpret graphs, and follow steps to develop a nuclear bomb or energy.
Through the use of an interactive Web site, students explore C-14 and C-14 dating. Then students analyze an article written about the C-14 dating of the Shroud of Turin and draw conclusions.
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.
Students model nuclear decay using candy-coated chocolates. In this physical science lesson, students identify the products of nuclear decay. They write an equation to represent these reactions.
This convenient handout will save you and your chemistry aces time. You will not need to prepare notes, and they will not need to consult their texts for future reference. Detailed notes on radioactive decay are provided and learners are taught how to read related graphs and calculate mass over time. Three examples are supplied to complete together in class.
In this math worksheet, students solve differential equations. Students use similar equations, and analyze ways they differ from one another. Students draw directional fields and sketch solutions. The final three questions are applications of differential equations and include problems about mixtures, interest, and radioactive decay.
Explore differential equations by using models representing growth and decline. Using calculus, learners will investigate exponential and logistic growth in the context of several models representing the growth or decline of a population. Most of the models have a closed-form solutions. Problems and solutions are included.
Students study exponential decay and its application to radiocarbon dating. In this exponential decay lesson, students use candy to model the time it takes for something to decay. Students also graph the data they collect and describe using an algebraic formula that gives the age of an object as a function.
Sal goes further into the decay of atoms by introducing the concept of Exponential Decay. He explains when you have any decaying element, it can be described as the amount of the element present times e to a constant, such as lambda. The rest of the video presents the exponential decay of a nitrogen atom by using the formula for exponential decay.
This video is an extension of the previous video, which introduced exponential decay, and showed students how to solve for it. More examples are given to give students further practice.
Like anything that is made up of living matter, atoms are subject to decay. In the world of chemistry, there are different types of decay, which is what this video explores. There are mathematical equations which go along with each type of decay. One of the most important is the Half-Life equation, which equals 0.693 divided by the Decay constant. Sal sets up problems which illustrate how to calculate decay based on equations such as this one.
Students discuss the types of ionizing radiation and explain Einstein's matter-energy equivalence.  In this investigative lesson students interpret equations and recognize the significance of scientists contributions. 
Examples #3 - 5, a continuation of a previous set of examples, can be used to teach advanced chemistry learners how to calculate values related to radioactive decay. Use the first set in class to teach the concepts, then send this set as a homework assignment.
In this math/science worksheet, students will work in pairs to conduct an experiment based on a decay function which is often used to model radioactive decay. Students will shake M & M's in a cup to rub off the M and then record their data. After repeating this process several times, students will use their graphing calculator to graph the results.
Upper elementary or middle schoolers will explore non-linear functions, graphing, and the curve of best fit through real-life data collection and trial analysis. They explore the concept of half-life and radioactive decay using M&Ms, a table, and a graphing calculator. Calculator instructions are included, just follow along and let the learning begin.
In this nuclear chemistry instructional activity, students answer ten questions about radioactive decay, half life, electron capture and alpha emission.

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Radioactive Dating