Curated OER
Get a Half Life!: Student Worksheet
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,...
Curated OER
Radioactive Decay
Students generate a radioactive decay table for an imaginary element, use their data to plot a decay graph, develop the concept of half-life, and use the graph to "age" several samples.
Curated OER
Let's Investigate Tooth Decay
Students conduct a simple investigation to explore tooth decay.
Curated OER
Tooth Structure and Decay
First graders identify the seven parts of a tooth and discuss various foods that can cause tooth decay. They analyze and discuss a poster of the parts of a tooth, discuss what a cavity is, label the parts of a tooth on a worksheet, and...
Curated OER
Radioactive Decay Curve
Students gather and organize data. In this radioactive decay curve lesson, students gather data as they follow the provided procedures for rolling dice. Students chart their data and examine interval results.
Curated OER
Half-Life
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.
Curated OER
Writing Nuclear Reactions
In this writing nuclear reactions worksheet, students read about nuclear equations for alpha decay, beta decay and positron emission. They are given the rules for writing nuclear reactions and a sample problem.
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
Chem 152-Nuclear Chemistry
For this nuclear chemistry worksheet, students answer ten questions about radioactive decay, half life, electron capture and alpha emission.
Curated OER
Absolute Ages of Rocks
In 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 paper.
Curated OER
What is the Nucleus Like?
For this nucleus of an atom worksheet, students answer 19 multiple choice questions about the structure of the atom, radioactive decay, isotopes and half life.
Curated OER
Exploring Exponential Models
Explore the difference between exponential growth and decay with this worksheet. Use tables, graphs, and algebraic methods to gain insight. The notion of an asymptote is also introduced.
Curated OER
Infestation to Extermination
Students solve problems with exponential growth and decay. In this calculus lesson, students relate exponential functions to infestation and extermination. They take the derivative to find their answer.
Curated OER
Integrated Algebra/Math B Regents Questions: Exponential Equations
In this exponential equations worksheet, students solve 11 word problems in short answer and multiple choice format. Students write and solve exponential growth and decay problems given a word problem.
Kenan Fellows
Half-Life
Scholars shake their way to understanding half-life with the help of candy. They observe and record which side candy lands on to graph the exponential decay in the fifth lesson plan of seven integrating chemistry and algebra. Combining...
EngageNY
Newton’s Law of Cooling, Revisited
Does Newton's Law of Cooling have anything to do with apples? Scholars apply Newton's Law of Cooling to solve problems in the 29th installment of a 35-part module. Now that they have knowledge of logarithms, they can determine the decay...
National Park Service
The Secret of Life
Dead trees provide nutrients for the soil, food for animals, protection and a home for organisms, a seed-bed for new trees, and a place for nitrogen-fixing bacteria to live. In the activity, pupils collect decaying logs, expose them to a...
Illustrative Mathematics
Carbon 14 Dating in Practice I
How old is the plant? Here is a task that presents the exponential decay function for carbon 14 in a plant. Pupils use the function to estimate the amount of carbon 14 in the plant when it died and analyze the function to find what the...
Curated OER
Learning About Decay Demonstrations
Students explore decay in ecosystems by investigating a rotting log and/orcreating a decomposition chamber. They make predictions and answer questions about the changes involved.
Curated OER
Algebra 1: Unit 5 Review
In this problem solving activity, 6th graders determine if 4 functions are exponential growth or decay, sketch 4 graphs and compare 2 sets of functions. Students write the rule, linear or exponential, for 4 tables.
Curated OER
Graphing at all Levels: It's a Beautiful Thing!
Mixing math and art is done in this lesson by applying graphing knowledge to create a unique piece of art. This lesson varies acording to the graphing knowledge of the artist. First, learners identify and review various types of graphing...
Curated OER
Regents High School Examination PHYSICAL SETTING CHEMISTRY 2007
The University of the State of New York has designed a series of exams to be given to high schoolers. This chemistry exam is one of the most comprehensive and well-written that you will ever find. It consists of 84 questions in a variety...
Curated OER
Regents High School Examination PHYSICAL SETTING CHEMISTRY 2006
The 2006 version of the Regents High School Exam is just as thorough as the rest of them! Assess chemistry learners on an entire year's curriculum when they take this thirteen page test.
Curated OER
Making Money and Spreading the Flu!
Paper folding, flu spreading in a school, bacteria growth, and continuously compounded interest all provide excellent models to study exponential functions. This is a comprehensive resource that looks at many different aspects of these...
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