Curated OER
Yo-Yos, Tow-Yos and pH, Oh My!
Students explore how hydrothermal vents are formed and where they are located on the ocean floor. They study how scientists use CTDs to locate hydrothermal vents.
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Serial Dilution of CuSO4 and Changing the Value of Paint
Students relate solution concentration and saturation to color and compare methods of changing value and color intensity with paint solutions.
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Can Chromatography Separate A Pigment?
Students separate a mixture of pigments with ion exchange chromatography and predict whether the ion-exchange matrix is positively or negatively charged based on the type of pigment bonded to the matrix.
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Gold Mine
Students view and discuss a demonstration of how gold is mined and panned. They design and create a tunnel that has reinforcements to withstand collapse.
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Graphical Determination of Density
Students determine the density of metal shot by a graphical method using significant digits in making measurements and calculations. Students graph a seris of laboratory measurements and determine density from a mass verses volume graph.
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Dishing the Dirt Part 2
Students explore the differences between specific soil characteristics. They participate in an experiment in which they discover soil texture. They write their observations in a journal.
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Precipitates and Black Smokers
Students discuss how hydrothermal fluid is different from seawater and what happens to it as it passes through the oceanic crust. They observe and manipulate calcuim chloride and baking soda to comprehend how precipates form.
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Determination of the percentage of Acetic Acid in Vinegar
Young scholars determine the concentration of acetic acid when the concentration of the base with which is titrated is known. They investigate how to weigh a sample using the balance, measure volumes using graduated cylinder, explore...
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"pH and the Environment"
Eighth graders experiment and study about acids and bases by becoming involved in direct hands-on learning experiences and then relate those experiences to their own lives. They experience the Ohio River and what can be done to help...
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Floating Candles
Students observe a combustion reaction and deduce the components necessary for the reaction to occur. They also identify and interpret the relationship between pressure, volume, and number of molecules for gasses. Finally, students use...
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Rate of Solution Demonstration
Students explore the factors that can increase the rate of dissolution for a solid. They complete a laboratory exploration in which they compare the dissolution rate of a whole sugar cube to that of a crushed sugar cube in a variety of...
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Ice Cream
Students explore the concept of the colligative property. Through experimentation, students lower the freezing point of a liquid in order to create a solid by using household ingredients to create ice cream.
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Powering a Green Earth
Students compare and contrast renewable and nonrenewable energy. In this environmental science lesson, students discuss the importance of going green. They identify the different components in a power grid system.
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Separation of Unknowns in a Liquid
Pupils identify chromatography as method of separating the components of a liquid. Students discover that dyes are composed of more than one component in achieving a particular color in these lessons on paper chromatography.
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Science Show
Students research topics. They teach a lesson based on their chosen topic to other students.
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2005 Hidden Ocean Expedition What's Eating You?
Analyze data and make inferences about the trophic position of organisms in the Canada marine food web. After a review of the geography and formula, discuss results and write an essay to improve the understanding of Artic food webs.
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It Looks Like Champagne
Students determine some practical implications of the discovery of liquid carbon dioxide in deep-ocean ecosystems. They interpret phase diagrams and explain the meaning of "critical point" and "triple point."
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What's Hiding in the Air?
Fifth graders conduct experiments to study the effects of invisible air pollutants including one with a bean plant. They examine methods of invisible air pollutants.
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Iron Filings
Students conduct an experiment in which a solution of copper(II) sulfate is added to iron filings. They write and balance the equation for the reaction that occurs and calculate the amount of iron that reacted and the percent yield of...
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Fallout!
Students plot the locations of fallout from two disasters that polluted much of the world's air. They plot the ash fallout from the 1980 Mt. St. Helen's eruption to see what the wind patterns in the United States look like overall. Next...
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Air Pollution Over Where?
Students predict the movement of an air borne pollutant using their understanding of air currents. They determine which governments and/or communities should be contacted to be forewarned. They also explore the properties of their...
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Production of Hydrogen
Young scholars generate hydrogen gas and examine some of its properities through an experiment. In the experiment, a wood splint is lit along with a candle, then the reaction occurs within the mixture. There are questions for the student...
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The Interactive Periodic Table of the Elements
Students study the different types of metals. In this investigative activity students watch a demonstration on the effects of temperature on atoms and take a tour through baone matter.
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Losing An Island
Students examine carbon dioxide and determine the impact of greenhouse gases on the earths spheres. In this pollution lesson students complete a lab activity to see the impact of gases on the environment,
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