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2009 U.S. National Chemistry Olympiad National Exam - Part I
The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...
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Metals
For this chemistry worksheet, students use the clues at the bottom of the sheet to complete the crossword puzzle on metals. There are 21 clues to solve on the sheet.
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Working with Half-Life
In this half-life worksheet, students use a given table of half lives, mass, time and amount of original sample to solve for unknowns in nine given half-life problems.
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Periodic Table of Elements on Mars
In this periodic table of elements worksheet, students are given clues and descriptions for elements in order to determine where they belong in the "Martian Periodic Table". They place the elements in the proper place in the given...
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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...
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Absolute Dating/Radioactive Dating
Students explore radioactive decay. In this radioactive atoms lesson students complete a lab to help them understand the relationship between radioactive atoms vs stable atoms.
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Energy and Atoms
In this atoms instructional activity, students review atoms, atomic number, and mass number. Students determine what happens when atoms become radioactive. This instructional activity has 8 fill in the blank and 9 short answer questions.
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Radioactive Decay
Students explore radioactive decay. Through various activities, students examine methods for permanent disposal of radioactive waste. After performing a random process experiment, students compare the results to radioactive decay. ...
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Atomic Structure and Quantum Theory
Students are introduced to the structure of an atom and Dalton's atomic theory through a short video and mini-lecture. They also take a look at the weight of mass and become familiar with the idea of quantum theory
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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.
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Absolute Ages of Rocks
In this rocks worksheet, students review the process of absolute dating of rocks and compare it to the relative dating process. This worksheet has 16 fill in the blank questions.
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Radiation Lab
In this radiation worksheet, students use a data table to determine what kind of radiation is being emitted by unknown sources. This worksheet has 3 problems to solve.
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Radiation vs. Shielding
In this radiation activity, students compare the effects of shielding on radiation on known isotopes. This activity has 2 problems to solve.