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Regents High School Examination: Living Environment 2007
Environmental science enthusiasts show what they know at the end of the year by taking this full-fledged final exam. They answer multiple choice, graph interpretation, and essay analysys questions, 73 of them in all. Topics range from...
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Regents High School Examination: Living Environment 2005
The 2005 version of the Regents High School Examination in the area of ecology is as comprehensive as previous years' exams. It consists of 40 multiple choice questions on everything from the structure of DNA to the interactions within...
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Regents High School Examination: Living Environment 2003
The living environment, from the interior of a cell to the complex relationships among populations, are queried in this final examination. Learners look at air pollution maps, diagrams of cells, population graphs, and drawing of cells....
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The Watson-Crick Model of DNA Structure
Junior geneticists construct models of DNA to discover sequencing and pairing of nucleotides. They use the models to simulate protein synthesis and then translate the codes into physical traits. Finally, they use the traits to create a...
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The Molar Volume of a Gas
Students find the standard molar volume of a gas. In 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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Matter: Atoms and Molecules
Students investigate how information about the atom has been determined. In this atomic structure lesson, students draw what they think an atom looks like. They conduct Internet research about the types of atomic models and how...
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Exploring Molecules
Students explore the process of science by studying and analyzing fundamental biological molecules in this introductory lesson on molecules. The lesson includes a pre-lesson worksheet and a question sheet for final, individual assessment.
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Molecules And Temperature
Students explain that molecules are in everything living and nonliving. They explain that molecules are too small to see but we can watch their movement.
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Atmosphere Molecules
Pupils use foam packing pieces to represent molecular positioning inside the four layers of earth's atmosphere. This lesson help students visualize that molecules become thinner as one ascends higher in the atmosphere.
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How Big is a Molecule?
Students estimate the size of a molecule of oleic acid. They conduct an experiment using chalk dust, water, and oleic acid, solve various calculations, and answer discussion questions.
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Diffusion of Molecules
Students study the process for diffusion of molecules. In this chemistry lesson, students understand molecular movement, develop skills for a chemistry investigation, develop skills in making hypotheses, develop observational skills, and...
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Forces on the Human Molecule
Learners conduct several simple lab activities to explore the five fundamental load types that can act on structures: tension, compression, shear, bending, and torsion. In this activity, students play the role of molecules in a beam...
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Student Reading - The Unique Properties of Water
Without water there would be no life on this planet. Biology learners find out why by reading this handout. Create a worksheet of questions to answer after the reading. Follow it up with quick demonstrations or laboratory activities that...
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Practice Exam Bonding and Acid-Base
In this chemistry worksheet, learners respond to several multiple choice questions relating to bonding and acid-bases. They also identify the various types of bases and how they differ from each other.
Cornell University
The Making of Macromolecules
Compare and contrast macromolecules made from the same elements. Young scholars learn how the structure of a molecule has as much influence on a compound as the elements in the molecule. They experiment with molecular model kits to...
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Using Amino Acid Sequences to Show Evolutionary Relationships
Junior biologists compare the amino acid sequences from fragments of five different globin molecules. They count the letter differences between each species pair. They construct a graphic representation of the evolutionary relationships...
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Using Amino Acid Sequences to Show Evolutionary Relationships
Compare protein fragments, count amino acids, and use the information to explore common ancestry. The resource mentions a student worksheet, however, a separate printable worksheet is not provided. The exercises are written into the...
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Big Extinction
Students discuss evidence of a pre-dinosaur era meteoric collision, and its impact on living creatures. They build buckyball molecule models out of marshmallows, toothpicks, and soccer balls.
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Diffusion of Molecules
Students conduct a series of experiments to observe factors that impact molecular movement. In this molecular chemistry lesson, students drop food coloring in water with different properties (hot, with ice, with alcohol) and observe how...
American Chemical Society
Moving Molecules in a Solid
Who likes magic shows? In the fourth of five lessons, pupils view a scientific magic trick. The ball fits through the ring easily, but then moments later, it won't pass through anymore. What changed? Can we reverse the change? Scholars...
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Molecular Modeling Activity
Students work together to explain the VSEPR theory and how it relates to molecules. They name electron pairs that can surround the central atom of an organism. They discuss the factors that determine the polarity of a molecule as well.
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How Cells Duplicate and Why Where Something Can Go Wrong
Seventh graders explore the function of a cell and cell division. In this investigative lesson students construct a 3-D model of a DNA molecule.
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DNA Models
Students construct paper model of the DNA molecule. In this genetics lesson, students assemble paper parts that represent nucleotides into a DNA molecule. Extension ideas are also provided.
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Matter
Fifth graders investigate the structure of matter. They examine pictures of atoms and molecules and discuss their relationships, and construct a model of a molecule using toothpicks and gumdrops.
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