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\n\"Freezing\n\n
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\nLABScI\n
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\nFreezing Point Depression: Why Don’t Oceans Freeze?\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nCan you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions...\n
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Instructional Video14:00
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\n\"Boiling\n\n
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\nKhan Academy\n
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\nBoiling Point Elevation and Freezing Point Depression, Chemistry\n

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\n\nFor Students\n\n7th - 10th\n
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\nHave you ever wondered why cities in cold climates put salt on the roads to help keep ice from forming? In this chemistry video, Sal explains why the introduction of salt molecules suppresses, or delays, the formation of ice crystals...\n
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Lesson Plan
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\n\"Freezing\n\n
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\nCurated OER\n
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\nFreezing Point Depression\n

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\n\nFor Teachers\n\n3rd - 4th\n
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\nStudents create ice cream in a zipped bag and measure the temperature of a salt/ice mixture. They discover how salt lowers the temperature necessary to freeze ice to a solid (below 0'C).\n
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\n\"Molar\n\n
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\nHazardous Waste Management Program\n
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\nMolar Mass Determination from Freezing Point Depression\n

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\n\nFor Students\n\n9th - 12th\n
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\nLet the data tell the story. A lab activity has pupils collect temperature data on solutes as they melt and freeze. They use their data to create a cooling curve and then calculate the molar mass using the freezing point depression.\n
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\n\"Gasoline\n\n
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\nCurated OER\n
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\nGasoline Additive\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nChemists consider a situation in which an ethanol producer needs to determine how much to add to t-butanol to prevent freezing during transport. They work in the laboratory to obtain the freezing point depression constant for the...\n
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Worksheet
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\n\"WS\n\n
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\nCurated OER\n
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\nWS 8.8 Molality and Colligative Properties\n

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\n\nFor Students\n\n10th - 12th\n
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\nIn this molality and colligative properties worksheet, students determine the molality of solutions and they calculate freezing point depressions and boiling point elevations of solutions.\n
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\n\"Ice\n\n
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\nCurated OER\n
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\nIce Cream: a Taste of Science!!\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nStudents define the term solution. They explain conservation of energy and energy transfer as it relate to how the milk solution became ice cream. Students are able to explain freezing point depression.\n
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Worksheet
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\n\"Colligative\n\n
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\nCurated OER\n
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\nColligative Properties - Freezing Point Depression\n

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\n\nFor Students\n\n10th - Higher Ed\n
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\nFor this freezing point worksheet, students determine the freezing point of solutions at different concentrations. This worksheet has 9 problems to solve.\n
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\n\"Freezing\n\n
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\nUniversity of Georgia\n
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\nFreezing and Melting of Water\n

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\n\nFor Students\n\n9th - 12th\n
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\nExamine the behavior of energy as water freezes and melts. An engaging activity provides a hands-on experience to learners. Collaborative groups collect data and analyze the graphs of the temperature of water as it freezes and then...\n
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\n\"Chillin'\n\n
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\nCurated OER\n
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\nChillin' Out with Freezing Point Depression\n

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\n\nFor Teachers\n\n10th - 11th\n
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\nStudents examine the freezing point depression of salt water by making ice cream. Lab activity begins with students layering a bowl with ice and salt around an empty cup before adding a mystery solution to the cup. They take the...\n
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PPT
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\n\"Solutions\n\n
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\nCurated OER\n
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\nSolutions\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nAmateur chemists define and describe properties of solutions, compare solubilities, explain how solutes affect freezing and boiling points, describe acid and base properties, and more! This educational PowerPoint provides information and...\n
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\n\"We\n\n
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\nCurated OER\n
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\nWe All Scream for Ice Cream\n

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\n\nFor Teachers\n\n8th - 10th\n
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\nYoung scholars investigate the freezing point depression of water while making ice cream. For this colligative properties lesson plan, students make ice cream using ice, salt and water to freeze milk and sugar. They measure the...\n
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Assessment
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\n\"2007\n\n
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\nCurated OER\n
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\n2007 U.S. National Chemistry Olympiad Local Section Exam\n

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\n\nFor Students\n\n9th - 12th\n
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\nSixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...\n
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Activity
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\n\"Ice\n\n
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\nDiscoverE\n
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\nIce Cream Special\n

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\n\nFor Teachers\n\nK - 8th\n
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\nWe all scream for ice cream! Individuals create home-made ice cream in the classroom. This is a delicious way to show a real-world application of the freezing point depression to your class. \n
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Instructional Video3:13
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\n\"How\n\n
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\nAmerican Chemical Society\n
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\nHow Does Salt Melt Ice?\n

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\n\nFor Students\n\n9th - Higher Ed\n\nStandards\n
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\nMuch like the ice on roadways, common sodium chloride has been melting away snow days for many a year! Explore the colligative property freezing point depression through an interesting video from the American Chemical Society Reactions...\n
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Lesson Plan
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\n\"Using\n\n
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\nUniversity of Georgia\n
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\nUsing Freezing-Point Depression to Find Molecular Weight\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nExplore the mathematical relationship between a solvent and solute. Learners use technology to measure the cooling patterns of a solvent with varying concentrations of solute. Through an analysis of the data, pupils realize that the...\n
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Lesson Plan
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\n\"The\n\n
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\nVirginia Department of Education \n
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\nThe Colligative Properties of Solutions\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nHow can you relate colligative properties of solutions to everyday situations? Pupils first discuss the concepts of density, boiling and freezing points, then demonstrate how to accurately determine the boiling and freezing point of...\n
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Lesson Plan
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\n\"Ice\n\n
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\nCurated OER\n
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\nIce Cream\n

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\n\nFor Teachers\n\n11th - 12th\n
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\nStudents are shown an experiment making ice cream while discovering the freezing point depression. There are questions for students to answer after the demostration.\n
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Lesson Plan
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\n\"Quick\n\n
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\nCurated OER\n
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\nQuick Freeze (Demonstration)\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nStudents witness an demonstration in which a bottle of club soda will go from a liquid to a solid when it is opened and the carbon dioxide is allowed to escape. This will help them understand that the freezing point of a solution will...\n
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\n\"Jeopardy\n\n
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\nCurated OER\n
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\nJeopardy\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nStudents played a game of Jeopardy where there was five categories with five questions each in order to assess the retention of concepts taught over the semester. The categories included: Graphing/Summarizing/ Scientific Method, Gravity,...\n
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Worksheet
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\n\"Unit\n\n
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\nCurated OER\n
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\nUnit 1 Matter and Energy\n

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\n\nFor Students\n\n9th - 12th\n
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\nTopping this worksheet is a comprehensive collection of notes about phase changes. The phase change graph is displayed, along with formulas for the gas laws, and information relating energy to change of phase. After reviewing these...\n
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\n\"The\n\n
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\nCurated OER\n
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\nThe Frigid Gourmet\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nYoung scholars make a \" science surprise\" or ice cream in the lab. In this melting point depression lesson plan, students use various substances with ice to determine the effects on the melting point of ice and the ability to make ice...\n
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\n\"Thermochemistry:\n\n
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\nVirginia Department of Education \n
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\nThermochemistry: Heat and Chemical Changes\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nWhat makes particles attract? Here, learners engage in multiple activities that fully describe colligative properties and allow the ability to critically assess the importance of these properties in daily life. Young chemists...\n
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Worksheet
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\n\"Carbohydrate\n\n
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\nCurated OER\n
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\nCarbohydrate Functionality - Sweeteners\n

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\n\nFor Students\n\n10th - Higher Ed\n
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\nIn this carbohydrate worksheet, students conduct three experiments to determine the function of sweeteners. This worksheet has 3 short answer questions.\n
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