Curated OER
Degradation and Weathering of Polymeric Materials
Students investigate issues of degradation and weathering of polymeric materials during their useful life. They evaluate photodegradable plastics and their viability as an environmental solution for litter and investigate the qualitative...
Curated OER
Characterization of the Bioluminescence (Lux+) Gene E. coli
Students grow E. coli strain HB101, which contains the plasmid pUCD607 with the bioluminescence (Lux+) gene. The plasmid containing the Lux+ gene is isolated from the E. coli, then characterized by restriction analysis.
Curated OER
# 02 The Aspirin Shelf-Life Scenario
Students work for a company that produces acetylaslicylic acid, aspirin. They have been assigned the task of determining if different packaging materials and/or environmental storage procedures can increase the shelf-life of the product.
Curated OER
Water and Polymers
Students conduct qualitative and quantitative investigations based on the interaction between water and various polymers. They determine the percent moisture contained in various plastics along with a qualitative procedure to determine...
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The Study of Molecular Orientation by Linear Dimension Change of Polymeric Films
Students investigate the linear dimension change of heated plastic film and relate the results to processing and service use of the materials. They calculate percent change in dimension as related to anisotropy and molecular reorientation.
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# 21 Measuring Nitrate by Cadmium Reduction
Students design an experiment to evaluate the effects of various treatments on the nitrogen cycle in a freshwater aquarium. They are required to maintain a laboratory notebook of all work, measure the key analytes of the biosystem at...
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Using Plant Pigments to Link a Suspect to a Crime
Young scholars use chromatography to separate plant pigments collected from a fictitious crime scene and suspects. They compare the Rf values of the plant pigments to determine whether the plant pigments found on any of the suspects...
Curated OER
Charles Young Photographs
Students analyze photographs as an introduction to the Spanish American War. The concepts of American expansionism are explored through the process.
Curated OER
Charles Young Photographs
Students view photographs of Charles Young. They analyze the photograph to decipher the time period. As an introduction, students brainstorm questions they may ask the man in the photograph. Students investigate the era of the...
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The Early Development of Korea
Students examine the early development of the country of Korea. Using maps, they identify how geography of the country has contributed to its isolation. They use the internet to research how China influenced Korea and what achievements...
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The Nature of Science and Technology
Second graders perform a variety of experiments to observe, form conclusions, and make inferences. In this experiment instructional activity, 2nd graders experiment based on the result of a pre-assessment. Students share what they have...
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How Are Students Doing on the AP exams?
Students compile and analyze data pertaining to College Credit AP Exams. They pose questions - Which exam is the easiest? - determine answers from their data and display their results.
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Toilet Paper Solar System
Students create a model of the distances of the planets in the solar system using sheets of toilet paper and markers. Generally accepted orbital parameters are applied.
Curated OER
Time Signifiers - Past or Present Perfect?
Pupils refine their usage of past simple or present perfect. After a lecture/demo, students work in pairs and utilize a worksheet imbedded in this plan to help them gain practice with time signifiers.
Curated OER
Showing Depth
Fourth graders examine and demonstrate how to create a middle ground, background, and foreground on a picture or work of art. They identify middle ground, background, and foreground on Michael Sowa's works of art, then create their own...