Curated OER
The Arizona Hedgehog Cactus: Endangered Species or not?: Biology, Plants
In this lesson plan students will study the: "Classification of Echinocereus triglochidiatus and Geographical Ranges of its Varieties." Students read background material and scientific literature to analyze the cactus populations and...
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Water Resources Engineering
Students illustrate the chemical differences between surface and tap-water. They investigate the common chemical and physical parameters relevant for water quality and gain hands on experience with water quality testing.
They enhance...
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Using Rocks and Ores Worksheet
In this chemistry activity, students answer 15 short answer questions about rocks and ores. They explore write balanced chemical reactions from word equations given.
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Writing Complete Equations Worksheet
In this chemistry worksheet, students write in the correct equations in accordance to solving the word problems. The answers are on page 2.
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Water Purification
Learners develop an understanding and appreciation of water purification techniques and their implications for health maintenance.
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DNA Isolation from Plant Tissue
Young scholars perform an experiment to extract and observe DNA from plant Tissue. They read about the procedure and relate it to the procedure used to isolate DNA from an endangered plant species. This is lesson three in a nine lesson...
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Got Water?
Students determine that delivering clean, fresh water to citizens around the world involves and affects politics, economics, international relations, and technology. They brainstorm a list of factors that might affect their town's...
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One Word Substitution 14
In this online interactive vocabulary skills worksheet, students match the 10 vocabulary terms in the word bank to the appropriate definitions. Students may submit their answers to be scored. All of the words begin with the...
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What Does That DNA Molecule Really Look Like???
Students extract DNA from animal liver cells. They separate, collect and describe the appearance from the extracted DNA while role playing as an intern in a city's forensics.
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Picnics-- Chinese Style
Third graders explore about the Chinese rituals of poetry competition. They compare and contrast Chinese picnics with American picnics. Students create short poems, celebrating their own spring poetry picnic. They discuss words or...
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Dissolved Oxygen
Students examine characteristics of dissolved oxygen. Given a stream temperature, and stream conditions, students study the relationships of the dissolved oygen in a stream, in organic waste loads.
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SEPARATION OF A STARCH-GLUCOSE MIXTURE USING GEL FILTRATION
Learners make a starch-glucose solution and pour it through gel in order to separate the starch from the glucose. They examine how starch is a larger molecule than glucose and test for the presence of these substances using other...
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Separating a Starch-Glucose Mixture Using Gel Filtration
Students experiment using the basic principles of gel filtration. They use the gel filtration technique for testing for the presence of specific substances. Students discover that starch is a larger molecule than glucose.
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