Curated OER
Fish and Oxygen
Students explore what factors affect population dynamics, identify factors affecting fish populations, and use Stella to model how dissolved oxygen affects fish populations.
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Teaching Modeling Water Quality
Young scholars explore the basics of interpreting RUSS temperature and oxygen profile data. They are introduced to the Geographic Information Systems (GIS), particularly with respect to interpreting maps.
Curated OER
Natural Dye Lesson Plan
Young scholars investigate major pigments which occur naturally in fruits and vegetables, and to use them to dye a number of items. They study the effects of pH on anthocyanin on pigments.
Curated OER
Using Ion Exchange Chromatography to Separate Proteins
Students explore protein purification by separating a positively charged molecule, lysozyme, from a negatively charged molecule, albumin, at neutral pH using ion exchange chromatography.
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Extraction of DNA from White Onion
Pupils investigate techniques involved in extracting and isolating DNA. Students extract and observe onion DNA.
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Acid and Bases - Alien II
Eighth graders determine which of two solutions is more acidic by adding each to a given base. Students have to apply this analysis process to a problem scenario involving an alien creature.
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Rain Drops
Students examine drops of water on several materials used on the outside of buildings. They make selective observations on and compare plastic, wood, brick, metal, roof tiles and glass.
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Geography Action! Rivers 2001-Runoff
Students experiment with how rain affects topsoil using dirt and red tempera paint. At the end of the activity, students find red water in their collection jar, representing nutrients in the soil.
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Selecting Soil Organisms in Compost
Students conduct an experiment to demonstrate that many of the enzyme systems needed to break down society's wastes exist in nature among the decomposers in a compost pile. They culture compost bacteria on starch agar to examine the...
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Selecting Soil Organisms in Compost
Students demonstrate that many of the enzyme systems needed to break down--and therefore clean up-society's wastes already exist in nature among the decomposers. They select the best starch-munching organisms by altering the environment...
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Ocean Absorption Lab
Learners examine various techniques that can reduce carbon dioxide in the atmosphere, and use chemistry to simulate oceanic sequestration. They conduct an experiment involving the method of oceanic absorption for carbon sequestration,...
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A TOUGH NUT TO CRACK
Based on a set of criteria, students will evaluate the quality of pecans.1. Bring a gram scale and papershell pecans. Provide five pecans for each student. 2. Divide the class into groups of five and provide each member with five pecans....
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Density, Iron, and Anemia
Young scholars explain what factors determine density. In this physics instructional activity, students hypothesize which objects are less dense. They cite the importance of density in everyday life.
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A Solution for Moles
Learners calculate the concentration of different solutions. In this chemistry lesson plan, students explain what a solution is. They explain ways to change the concentration of a solution.
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