# Radioactive dating licorice lab

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(1) uranium-238 (3) potassium-40 (2) carbon-14 More information chapter 39 Clues to Earth s Past section 3 Absolute Ages of Rocks What You ll Learn how absolute age differs from relative age how the half-lives of isotopes are used to tell a rock s age Before You Read More information Half-Life of Paper, M&M s, Pennies, Puzzle Pieces & Licorice With the Half-Life Laboratory, students gain a better understanding of radioactive dating and half-lives. Half-Life A half-life can be used to compare the rate of radioactive decay for an isotope.Students are able to visualize and More information Name: Radioactivity Lab Date: Reading Comprehension: Read the portion of the article on radioactive decay below and answer the following questions based on the reading. The shorter the half-life, the faster the decay rate.

Most of these elements can be found in rocks all over the Earth.

How it works Radiometric More information Name AST 150: Radioactive Dating Game Activity in Nuclear Chemistry from the University of Rochester University Professor From 1990-1995 NSF-Sponsored Scientist with More Than More information Class: Date: Chapter 6 Practice Test Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. Which of the following words does NOT describe catastrophic More information chapter 14 3 Inside the Atom section 2 The Nucleus Before You Read Every person is different.

sim=radioactive_dating_game Purpose: You will use the radioactive decay rate and original-daughter element ratios More information DATE DUE: INSTRUCTOR: TERRY J. What are some things that make one person look different from another person?

Radioactive elements are unstable and decay into other materials at a known, fixed rate through radioactive decay. Enter your data into the master spreadsheet to chart an all class average.

Different radioactive elements have different rates of decay. Put the pennies that had heads up back in the container, mix them, and spread them out on the table and repeat the above process until all the pennies are gone or until you have completed 15 trials. Graph the data in your data chart on the graph provided on the back. Checkpoint: Which data is more reliable: your own data or the class average? Experimental Design The independent variable (what I am trying to discover) is: The independent variable always goes on the X or Y axis (circle one) The dependent variable (what I am measuring as a result) is: The dependent variable always goes on the X or Y axis (circle one) Results Flip # # of pennies (time w/heads elapsed) (radioactive atoms remaining) Half Lives of Selected Radioactive Elements Radioactive Stable Half life Parent Daughter Potassium 40 Argon billion years Rubidium 87 Strontium billion years Thorium 232 Lead billion years Uranium 235 Lead million years Uranium 238 Lead billion years Carbon 14 Nitrogen years Graph your results using all of the rules for graphing!

Absolute dating gives an actual date in history that the item was formed or died.

The most common type of absolute dating for geologic material is.As you read about radioactive decay, think about how More information IDS 102 Geologic Processes, Part 4: Relative and Absolute Dating Methods Scientists use two different methods to estimate the age of geologic events on the Earth.Relative dating determines the order in More information Mr. Which radioactive isotope is most useful for determining the age of mastodont bones found in late Pleistocene sediments?Complete the following table: Isotope Mass Number Atomic Number (number of protons) Number of Neutrons nitrogen-5 5 7 8 sulfur-3 3 6 neon- magnesium-5 More information Experiment: Nuclear Chemistry 1 Introduction Radiation is all around us. From this graph, determine the age of the tree when its height was: 1.5 m 3.0 m 4.5 m 2.There are two main types of radiation: ionizing and non-ionizing. Complete the table by entering the More information Nuclear Chemistry Unit Activity Rate of Decay KEY The purpose of this activity is to develop the concept of radioactive decay by simulating a radioactive decay in class. The Art of Time The History of Relative Time Geologic Time Numerical Time Rates of Change Copyright The Mc Graw-Hill Companies, Inc.Radiometric Dating Lab Scoring Guide For each category: 4 points = Advanced 3 points = Proficient (grade level) 2 points = Partially proficient 1 point = Unsatisfactory Part 1- Graph 4 points - graph includes all 9 required elements (title, axes labeled, units on axes, numbers spaced at equal intervals along axes, data points plotted correctly, line starts with first point and ends with last point, graph fills the space available and extends more than half-way along each axis, X axis contains the independent variable, Y axis contains the dependent variable) 3 points graph is missing one or two elements, but X and Y axis have the correct variable and are labeled.