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Mystical Membrane
Learners investigate osmosis, diffusion and a semi-permeable membrane. In this cell membrane lesson plan, students observe the movement of molecules out of a bag filled with sugar and starch into a beaker of water. They test the beaker...
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What is Soap?
Students investigate soap, how it is made and its structure. In this soap lesson, students observe a demonstration of soap being made. Students observe the properties of soap and how soap performs in "real-life" situations like cutting...
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Preparation of Artificial Flavorings and Fragrances
Students prepare artificial flavorings and fragrances. In this esters lesson, students combine an acid and an alcohol of choice to make an ester. Water is released and they produce an artificial flavoring or fragrance. They answer 4...
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Modeling DNA Structure
Young scholars build their own DNA molecules using candy. In this science lesson, students build DNA molecules using licorice and gumdrops. The lesson includes the use of streaming videos from the teacher's domain.
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The Physical Setting
Tenth graders examine chemical reactions. In this chemistry lesson students choose an investigation that they wish to perform based on their interest.
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Life Processes and Water
Explain the properties of water. Identify the properties of water that make it a polar molecule Describe hydrogen bonds and how they differ from covalent bonds Discuss the differences between hard water and soft water Compare the heat of...
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Biology: Genetics and Heredity
Seventh graders explore the connection between genetics and heredity by examining the cellular structure. Among the numerous activities to engage students are drawing DNA molecules, vocabulary puzzle sheets, and predicting possible...
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Biotechnology: Drug Delivery and Diffusion
Students discover advances in biomedical technology such as transdermal delivery and other non-invasive procedures. In lab activities, they examine how medication is given and how molecules travel, observe electrophoresis, and conduct...
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Protein Synthesis Activities
Students participate in a teacher-guided activity to teach about protein synthesis. Student roles include one person as the DNA molecule, another is a single stranded sequence of complementary mRNA.
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DNA Modeling
Students study DNA and its nucleotides. They manipulate paper nucleotides of DNA and investigate how the molecule is produced. Paper versions of sugars, phosphates, and nitrogen bases included.
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Movement Across the Membrane (Diffusion)
Students investigate the concept of diffusion and how materials enter and leave a cell. In this movement across a membrane lesson plan, students use perfume, food coloring in water and a sugar cube in water to observe diffusion. They...
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Chemistry is pHun
Students investigate the pH of solutions and they learn how to use different types of indicators. In this pH lesson plan, students test various solutions with pH paper and determine if they are acidic, basic or neutral. They also test...
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Exothermic and Endothermic Reactions
Students observe demonstrations of exothermic and endothermic reactions and determine the changes that take place in a chemical reaction. Students observe four demonstrations showing entropy, attraction of molecules due to polarity,...
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Alkanes and Conformation
In this alkanes and conformation worksheet, students name 10 different alkanes, they write the structural formulas for 4 alkanes, and they write Newman projections for 2-methylbutane. They also write structure of stable conformations for...
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Electrolysis
Young scholars conduct a series of experiments on water electrolysis. For this chemistry lesson, students explain what happens to the molecules during the process. They cite real world applications of electrolysis.
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Warm Air versus Cold Air
Students discover that warm air takes up more space than cold air. In this science lesson, students perform 4 experiments using balloons to determine that the molecules of warm air are more spread out than those of cold air.
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How Do I Get a Pure Sample of the Molecules I Make?
Learners initially engage in online research and consult print materials to identify a compound to produce. Once a selection has been made, individually, students conduct lab experiments to isolate substances. The end product is a...
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Effects of pH on Organic Molecules
Students investigate the effects of an acid and a base on the structure of milk protein. They observe the changes to droplets of milk when adding ammonia and lemon juice and relate the changes to old, curdled milk. An extension using...
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From Molecules to Mole Day Do's
Students recognize methods used to define the mole. After converting various quantities to the mole, students provide a context for understanding the usefulness of scientific notation and the mole.
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What Does That DNA Molecule Really Look Like???
Students extract DNA from animal liver cells. They separate, collect and describe the appearance from the extracted DNA while role playing as an intern in a city's forensics.
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The Molecular Basis of Inheritance Study Guide
In this biology worksheet, students use an interactive worksheet with 9 questions that ask them to review many parts of the concepts.
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Earth and Beyond
In this earth and beyond worksheet, students answer short answer questions about the atmosphere, the chemical compounds in Earth's atmosphere. Students visit different websites to conduct research of the discoveries of the scientist who...
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Chromatography
Eighth graders observe a compound and separate it into its component parts. In this chromatography lesson students complete and activity that demonstrates how mixtures can be separated into components.
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Molecular Structure of Proteins
Young scholars examine the effects different substances have on proteins. They test different molecules reaction to water. They discover how the amount of water affects the shape of the protein.
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