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Temperature and Enzymes
Students compare the times it takes the milk in each of two cups to curdle. They are told that an enzyme that is added to the milk, rennin, is involved in the natural curdling process of milk. Students are asked to consider what...
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Worksheet Heat of Reaction (Bond Energies)
In this bond energies worksheet, students analyze bond enthalpy data in order to estimate the change in heat, in kilojoules, of three different chemical reactions.
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Synthesis Reactions
Tenth graders write and balance chemical equations and make a PowerPoint presentation on synthesis reactions.
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Mystery Polymers
Middle schoolers examine how some natural substances are polymers. In this polymer lesson students complete a lab and give examples of a physical change.
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Carbon Monoxide and Population Density
Tenth graders investigate the carbon monoxide level at a fixed latitude to determine if there is a relationship to population density. They download data sets and generate a graph, and find locations using the Earth's coordinate system....
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Global Warming
In this global warming worksheet, students complete multiple choice questions about global warming. Students complete 5 questions total.
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The Big Burp:A Bad Day in the Paleocene
Students describe the overall events that occurred during the Paleocene extinction event as well as the processes that are believed to result in global warming after group research. They infer how a global warming event could have...
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Emulsion_ Compulsion
Middle schoolers experiment with common household products to determine the properties of emulsions and how they fit into the classifications of matter through this series of lessons.
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Units in Thermochemical Calculations
Students study how to complete thermochemical equations. In this equation lesson students learn how to manipulate equations to calculate energy changes and reactions.
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That Is Predictable
Students investigate the changes that can take place in an aquatic environment. They conduct research using a variety of resources. The research is used to report different possibilities of change because of abiotic or biotic factors.
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The Chemistry of Coal
Students investigate the chemistry of coal. This lesson serves as a review of conservation of mass, simple reactions and equation balancing. During the lesson, students research chemical components of coal, as well as environmental...
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Einstein's BIg Idea
Students discuss what the m in E=mc2 represent. They relate that mass in a chemical reaction is always conserved. Students convey that atoms rearrange themselves in chemical reactions to form different molecules and compounds.
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Developing a Theory About the Nature of the Contents of a Sealed Box
High schoolers observe the changes of a closed chemical system. They record and analyze the data as they manipulate the system. They answer questions to end the lesson.
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Quarter Coin Cookies
Young scholars study the historical figures and symbols of U.S.
patriotism depicted on the penny, nickel, dime, and quarter coins. They explore the processes involved in making coins, and how metals canchange in consistency from the...
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The Physical Setting
Tenth graders examine chemical reactions. For this chemistry lesson students choose an investigation that they wish to perform based on their interest.
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Don’t be a Stoic about Stoichiometry
Students review balancing chemical equations. In this chemistry lesson, students calculate moles of an unknown substance based on stoichiometric relationships in the balanced equation. They cite applications of stoichiometry in the real...
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Life in Extreme Environments - Lakes Under Ice
High schoolers collect chemical, physical, and biological data from a local lake throughout the year. In addition, students discuss the design of an experimental structure for water collection at several specific depths as well as assess...
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Testing for Vitamin C in different drinks and foods
Students develop an awareness of the use of Vitamin C in helping our environment and gain exposure to chemical procedures and techniques. Students analyze and interpret data by keeping a data sheet and making a bar graph.
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Tracking Ozone
Learners track an ozone event in Groton, CT. They compare weather changes and the subsequent ozone levels. Also, they make comparisons and determinations about ozone levels.
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Ozone Tag
Students explain the role of stratospheric ozone and predict at least three ways in which depleted ozone would change her/his lifestyle. They then
describe the process by which chlorine or bromine compounds can break down ozone molecules.
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Virus Tracker
Sixth graders will simulate the spread of a virus such as HIV through a population by "sharing" (but not drinking) the water in a plastic cup with several classmates. Although invisible, the water in a few of the cups will already be...
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Determination of Phosphates
Students engage in a laboratory lesson in order to increase understanding of the impact of phosphates at the chemical and ecological levels. The lab exercise is completed with the goal of getting them to predict the outcomes and future...
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Goofy Putty
Learners examine mixtures and solution properties by making a borax polymer. In this chemical reactions lesson, students make a putty out of borax solution mixed to create a polymer.
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Heat Transfer and Pollution
Students perform computer simulations on air dispersion. In this chemistry lesson, students calculate energy transfer based on specific heat and temperature change. They explain the causes of smog.
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