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Get a Half-Life Student Worksheet
Young scientists use a worksheet to help them perform a lab on the decay of a radioactive element. The worksheet serves as both a task guide and a lab sheet for pairs of learners. This activity requires a calculator and has excellent...
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Get a Half-life!
Learners explore decay functions and the half-life of a substance. Through an M&M activity with calculators, students collect and graph data. They determine the linear, quadratic and exponential functions of the graph. Learners...
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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...
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Calculating Half-Life Problems
In this half-life learning exercise, students are given a particular mass of an isotope of cesium and its half life. They are to determine how much cesium will remain after 90 years. They are guided through the problem solving process.
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Half-Life Problems
In this half-life learning exercise, 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.
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Chapter 19 Review, Section 1: Oxidation-Reduction Reactions
Here is a chemistry worksheet that was designed for a specific textbook section dealing with oxidation-reduction reactions, but it can be used in conjunction with any general chemistry curriculum. To complete the page, learners must...
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Oxidation-Reduction Reactions
Focus on oxidation-reduction reactions with a review worksheet. Junior chemists answer short-answer questions before they write balanced half-reaction and full-reaction equations.
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Chapter 19 Review, Mixed Review: Oxidation-Reduction Reactions
Here is a short, but well-rounded review of redox reactions. Chemistry apprentices identify the type of reaction, write half-reaction equations, balance equations, and assign oxidation numbers. Being brief, this would make a purposeful...
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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.
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Chemistry Quiz 4-Redox Reactions
In this oxidation/ reduction worksheet, students solve eight multiple choice problems related to redox reactions. They determine half reactions, they calculate standard cell potentials, they identifying oxidizing and reducing agents and...
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Writing Half Reactions
In this half reactions activity, students read about redox reactions and learn how to write half reactions showing the oxidized part of the reaction and the reduced part of the reaction. Students are given 10 redox reactions and they...
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Redox Equations and the Half-Reaction Method
Students review half-reactions and practice balancing redox equations in order to help them solve problems in chemistry.
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...
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Physics 152 Fall 2004 Final Exam, Parts A, B, C, D
At the end of a general physics course focused on light and electricity, you can administer this exam. Concepts covered include electromagnetism, circuits, induction, light rays, lenses and mirrors, characteristics of light, electron...
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Raw Seafood ~ On the Half Shell
The topic is fascinating, but there is not much for learners to do here. Food borne illness has always been a problem for humans to face, and here, data from the Center for Disease Control is analyzed. Learners look at the number of...
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Physics Final Exam, Part A
Here is a comprehensive and cohesive final exam for your high school physicists. A variety of question styles are incorporated, such as multiple-choice and problem-solving. Topics are too many to list, so you will want to review the exam...
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Absolute Ages of Rocks
In this age of rocks activity, 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.
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Radioactive Dating
In this radioactive dating worksheet, students use their reference guide in their text book to find the half-lives of 4 isotopes. They use a decay chart to help determine the half-lives and age of given bones and samples of radioactive...
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Chem 152-Nuclear Chemistry
In this nuclear chemistry worksheet, students answer ten questions about radioactive decay, half life, electron capture and alpha emission.
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What is the Relationship Between Radioactivity and Radon?
In this radon and radioactivity worksheet, students analyze the data of the isotopes of elements that occur in the decay series of uranium-238. Students answer 6 questions about the isotopes, their half-lives, their potential threat and...
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Finding the Percent of Iron in Lawnsand
In this percent of iron in lawnsand worksheet, students perform a titration of lawnsand using potassium manganate (VII) solution and find the number of moles of iron in the sample. Students use the number of moles to find the mass of...
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Investigating Osmosis
A thorough investigation of cell transport is provided when completing the assignment. The first half requires biology class members to answer questions about diffusion and osmosis with the aid of diagrams. Then they fashion an...
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"Easter" Egg Genetics
Using plastic Easter eggs to represent parent phenotypes, genetics enthusiasts simulate the passing of alleles. They record the phenotype of each half of the egg, one representing the mother's and one representing the father's. They...
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M&M Science and Math
A series of math and science activities feature M&M's® as manipulatives to help kids work through equations. The resource includes exercises on finding averages, percent of compositions, moles in chemical reactions, genotypes and...
