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Glass Transition in a Rubber Ball
Students illustrate the changes in the properties of a material at its glass transition point. They gather data which they use to construct graphs regarding elastic modules versus absorption modulus, tangent delta, and the effect of...
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Chromatographic Separation of Methylene Blue and Sodium Fluorescein
Students determine the best solvent system for separating a methylene blue/sodium fluorescein mixture by thin layer chromatography. They conduct an initial TLC separation using ethanol and a different solvent mixture and analyze the data...
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Investigating the Effect Of Successive Heat and Cool Cycles on a Thermoplastic material.
Students investigate hot melt glue using a hot melt glue gun as an an injection molding simulator and a melt index viscometer. They evaluate the effect of heating and cooling by weighing the glue extruded over a constant time period.
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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.
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How to Clean Up an Oil Slick
Students explore how an oil spill is contained and cleaned up. They investigate an oil absorbing polymer that is hydrophobic, absorbs up to 19 times its own weight in nonpolar liquids, floats on water, and can be reused or disposed of by...
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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...
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The Risks of Everyday Living
Students compare their perceptions of risk to the perceptions of scientists and risk professionals. in small groups, they evaluate risks on a scale of 1 to 10 for the average American on a yearly basis.
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Close Encounters
Students investigate the cause of death of a fictitious school janitor. They develop hypotheses based on information discovered by examining the labels of household chemicals.
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Earth Rocks!
Students study the basic elements of the Earth's crust: rocks, soils and minerals. They categorize rocks, soils and minerals and how they are literally the foundation for our civilization. They also explore how engineers use rock soils...
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Our Solar System and Seasons
Sixth graders investigate the relative diameters of planets and distances between them and the cause for seasons on Earth using the 5-E Learning Model. They appreciate the size and distances involved with objects in the real universe....
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Traveling Through Literature
Integrate geography with literature in this interdisciplinary lesson. Begin by reading a poem such as The Time We Climbed Snake Mountain by Leslie Marmon Silko. On a large map, place push pins in the cities or states mentioned. An...
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Dragonwings: Evaluate Chapters 10-12
As your class finishes the novel Dragonwings, use these culminating projects. A vocabulary list is given for chapters eleven and twelve and either an epitaph or letter activity concludes the book. The final project consists of creating a...
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Activism or Slacktivism? The "Stop Kony" Campaign as a Teachable Moment
Engage your learners in global events. The makers of the film Invisible Children began the Kony 2012 Campaign to bring awareness to the Lord's Resistance Army. You can show your class the video Kony 2012 and spark discussion with the...
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Blueprint Paper
Students investigate chemical reactions involved in making a blueprint. In this blueprint paper lesson plan, students expose blueprint paper with writing that has been soaked in a solution of potassium ferricyanide and iron (III)...
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Charles' Law
High schoolers determine the validity of Charles' Law. In this Charles' Law lesson plan, students measure the volumes of a gas at two different temperatures. They determine the volume at a high temperature and predict using Charles' Law...
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The Molar Volume of a Gas
Students find the standard molar volume of a gas. For this molar volume of a gas lesson plan, students react magnesium metal and hydrochloric acid and collect the hydrogen gas produced using a gas collection tube. Students calculate the...
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Relating Moles to Coefficients of a Chemical Equation
Students investigate the coefficients in a chemical equation and their relation to moles. In this moles and coefficients lesson plan, students perform a single replacement reaction of copper (II) sulfate and zinc and find the ratio of...
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Periodic Behavior of Oxides
Students investigate the properties of oxides and observe their periodic trends. In this behavior of oxides lesson plan, students experiment with metallic oxides and non-metallic oxides to determine if they are acid, basic or amphoteric...
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Lab: Percent of Composition of KClO3
Students find the percent of oxygen in potassium chlorate. In this percent composition lesson plan, students heat a solution of potassium chlorate using a catalyst, manganese dioxide, to decompose the potassium chlorate and release...
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Lab-Percent of Composition of KClO3
Students find the percent composition of oxygen in potassium chlorate. In this percent composition lesson plan, students heat a sample of potassium chlorate to decompose it into potassium chloride and oxygen. They weight their initial...
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Haber's Process- A Computer Simulation
Students use an on line simulation to produce ammonia using Haber's process. In this Haber's process lesson plan, students use a spreadsheet to manipulate the pressure, temperature and catalysts used in the production of ammonia. Their...
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Determining the Density of a Liquid
Young scholars find the density of diet soda and regular soda. In this density lesson plan, students measure the mass of a graduated cylinder with 10 different volumes of each soda. They find the mass of the liquid alone and use the...
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Spectrophotometer Determination of an Equilibrium Constant
Students determine an equilibrium constant using a spectrophotometer. In this equilibrium lesson plan, students calibrate a spectrophotometer with 5 solutions in order to prepare the spectrophotometer for the experiment. Students measure...
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Analysis of the Concentration of Sodium Chloride in a Product
Students design an experiment to test for the concentration of chloride in products. In this analysis of chloride concentration lesson plan, students develop and conduct an experiment to find the amount of chloride ion in a substance of...