Curated OER
Fractions and Mixed Numbers
This series of math presentations by Monica Yuskaitis is outstanding! This installment teaches youngsters about fractions and mixed numbers. The graphics, examples, and text throughout this presentation are engaging and should help...
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Fractions IV - Equivalent Fractions by Monica Yuskaitis
Comparing equivalent fractions is one of the most difficult math concepts to teach to youngsters. How can numbers that look so different actually represent the same thing? This presentation takes a lot of the mystery out of equivalent...
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Classifying Triangles
If you're looking for a presentation to assist you in your teaching of triangles, this one could be for you. In it, learners are shown how triangles are classified by the size of their angles and by their sides. These are tricky concepts...
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Typical Conceptual Questions for Physics I - Waves, Electricity, and Magnetism
This wave and electromagnetism assignment is so thorough, it could be used as a unit exam. The first section of it covers wave concepts. The next section addresses static electricity. There is a section that deals with electric circuits....
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Goals and Perseverance
Define the word perseverance to have learners understand why it is important in reaching goals. Young scholars research how Martin Luther King needed perseverance to accomplish his goals. They write acrostic poems using the word...
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The Mighty Apostrophe
Here is a well-designed presentation on apostrophes and their many uses. The apostrophe is used in many different ways, and this PowerPoint does a great job of showing how it's used. There is a nice interactive component built in, and...
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Is Yeast Alive?
Through two investigations, life science learners determine whether or not yeast is alive. They perform tests for metabolism by providing sugar and observing if gas is produced as a byproduct. They incubate some of the sample for at...
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Immigration Debate
The 2010 immigration bill passed in Arizona provides class members with an opportunity to examine various perspectives of the immigration debate by watching news videos, reading interview, editorials, and viewing images. Discussion...
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Navajo Pottery: Beautiful Objects
Young potters make their very own version of the classic Navajo Pottery. With helpful worksheets and applicable cross-curricular activities, the lesson plan is an enriching way to mold both your clay and the multicultural...
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Unknown Frost Poem Discovered
What? A long-lost poem from Robert Frost? Introduce your class to a poem recently found and published from Robert Frost's personal collection. The lesson includes background information on the author, the poem itself, and a list of...
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Real-World Projects: Challenges from the Polymer Industry
Two scenarios are presented for chemistry detectives to decipher. Both require the use of an infrared spectrometer and focus on the examination of polymer materials. In the first, lumps in polyethylene bottles are analyzed. In the...
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Quality Control at Kality Krunchers Dill Pickle Factory
In a hypothetical scenario, food chemists use titration to concoct a brine solution for producing the crunchiest pickles. They also analyze store-bought pickle juices. In addition to reinforcing titration techniques, the lesson requires...
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Using the Spectrophotometer to Analyze a Mixture
General chemistry classes practice spectroscopy. They grasp the relationships between wavelength, absorbance, and solution concentration. Additionally, they gain valuable practice using laboratory equipment such as burets and pipettes....
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Safety Comes First
Here is a thorough lesson on safety in the chemistry lab. Chemists review a detailed list of safety rules, draw the layout of the laboratory area to include emergency equipment, identify hazard warnings, and consult the MSDS in order to...
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Condensation Polymerization: Preparation of Thiokoll® (Polysulfide Rubber)
This lab activity is geared toward experienced chemistry learners, in particular, those who are familiar with organic chemistry. They will create a synthetic elastomer and then make observations and measurements of its different...
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Hydrogen Peroxide Analysis
A scenario is presented for chemistry techs to address. Using titration techniques, they must analyze hydrogen peroxide solution samples. They evaluate accuracy and precision in the process. They also gain experience consulting the MSDS...
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The Visible Spectroscopy Expert Witness Problem
In a simulated crime science investigation, chemistry or physics sleuths use spectroscopy to analyze solutions. The lesson gives learners practice making salicylate solutions, using spectrophotometers, calculating dilution amounts,...
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Sorting Plastics For Recycling
First, young chemists practice polymer identification by density and flame tests. With the data collected, they propose a method of separating polyethylene from other plastics and determine what property makes it desirable for recycling....
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The Floating Egg Problem
This is the grown-up version of the classic "float an egg in salt water" experience, plus an experiment in soap making. High schoolers explore density, but more importantly, practice accuracy, precision, and the use of significant...
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Aluminum Adventure
Chemistry aces use an electrochemical cell to anodize a strip of aluminum. They apply an organic dye to it. In a practical application, they design a piece of jewelry out of the anodized metal and describe the process. Thorough notes...
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Programming the "Rinse Robot"
Experienced chemistry technicians use then layer chromatography to discover how much of a free compound is left after each rinse cycle. Where this could obviously be used as a practice with chromatography technique, it can also be used...
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2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
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2002 U.S. National Chemistry Olympiad National Exam - Part III
Two laboratory problems are put forth for chemistry high schoolers. They are to plan and carry out an experiment that will answer each of the questions. The first asks them to investigate a relationship between the surface area of a...
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Sunspots and Space Weather
This assignment is out of this world! It is an online worksheet about sunspots and solar cycles, a sort of WebQuest if you will. Links to two NASA websites and spaceweather.com are written into the questions so that your aspiring...
