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Exothermic Rehydration of Gypsum
Students observe exothermic reactions in the lab using plaster. In this chemistry lesson, students collect data from their experimental set up every five minutes. They explain the different stages in the hardening of plaster.
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Are Fruits And Vegetables Really Made of Cells?
High schoolers design and carry out an exercise to determine if a given fruit or vegetable is composed of cells. They dissect out sections of the fruit or vegetable, prepare stained slides, and make observations under a compound microscope.
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Science: What Is the Carbon Cycle?
Students examine the carbon cycle while identifying its sources, sinks, and release agents. Using magazines and newspapers, groups of students design collages illustrating the carbon cycle. Finally, they write responses to several...
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Hot Stuff
Students investigate if heat can change the form of matter. In this physics lesson, students use heat sources to observe the changes in an ice cube. Students graph which heat source changed the matter the fastest.
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Kernel Power" Ethanol Fuel from Corn
Students study why corn is a biodegradable, renewable resource. For this ethanol lesson students build models and observe a chemical reaction.
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Electrolysis of Water
Ninth graders examine the electrolysis of water by completing an experiment. In this water lesson students will explain how hydrogen can be extracted from water and how energy flows through an electrolysis system.
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Wind and Air Pressure
Pupils make an anemometer, barometer, and wind catcher to see how wind and air pressure are related. In this wind lesson plan, students use these tools to measure the wind speed.
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Protein Biochemistry: Evidence for Charged Amino Acids in Proteins
High schoolers add the acid and base drop wise as the protein precipitates. If either are added too rapidly, students may miss detail or the protein may not have sufficient time to renature. Casein does not buffer the solution well when...
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What the Sun Can Do
Young scholars develop and test a unique, personally-relevant hypothesis about the consequences of exposure to UV radiation based units on a living organism, common baker's yeast (Saccharomyces cerevisiae).
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Monomer and Polymer Chemistry
Students explain monomer/polymer chemistry of starches and sugars.
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WATER CHEMISTRY
Students list reasons why water is important and investigate and graph the freezing points of different solutions.
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Through Thick or Thin!!!
Students differentiate between high and low viscosity. Students collect, graph, and interpret data, then quantitatively measure polymer solids. Students experiment with a household example of an emulsion polymer.
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Surface Tension and 3D Soap Films
Students are introduced to the concept of surface tension, its dependence on material composition, and how it can produce uniquely shaped surfaces.
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To Smell or Not to Smell, That is the Ester
Young scholars explain the basic concepts of polymerization. Students participate in a lab to create a crude preparation of carboxyl esterase and test its effectiveness in reducing the residual monomer in an emulsion such as paint.
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Microwave Cooking
Students learn the basic principles of microwave cooking and prepare a dessert in the microwave using correct procedures.
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Evaporation and Condensation
Students explore how temperature affects the processes of evaporation and condensation.
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From One End to the Other
Seventh graders become more familiar with how our food is broken down mechanically and chemically. They also trace the food through the alimentary canal.
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All Aboard for Protein Synthesis
Fourth graders walk through the process of transcription and translation to demonstrate and explain protein synthesis. They utilize a worksheet imbedded in this plan to guide their role play.
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Hot Time in the Classroom
Fourth graders, in groups, examine how temperature is a measure of the average translational kinetic energy.
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Designer Genes
Students view a video on DNA. They discuss mitosis, meiosis and fertilization. They use strips of paper to simulate fertilization and analyze the genotype and phenotype of the combined chromosomes.
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How is Lightning Formed
Students research lightning paying particular attention to how it is formed, where it is most likely to occur, and how most people struck by lightning survive.
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Energy Levels and Electron Configurations
Twelfth graders investigate the proper filling order of electrons in the energy levels of an atom. They practice how to "read" these occupied energy levels as electron configurations and demonstrate their understanding through creative...
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Edible DNA
Students use multicolored soft candies (gumdrops and candy orange slices) and toothpicks to create models of DNA structures. They discuss the fact that DNA must copy itself before splitting into two cells. Students demonstrate this by...
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Can You Get A Charge Out Of Matter?
Students observe and demonstrate how objects can be charged positively and negatively and how static electricity works. They observe a teacher-led demonstration, and in small groups rotate through various static electricity activities,...
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