Curated OER
Cation Separation and Identification
Students conduct an experiment in which they systematically separate cations from a mixture of substances. They use the following types of reactions to do so: precipitation, acids and bases, oxidation and reduction. They compare a...
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Identification of Different Compounds and Substances
High schoolers conduct a series of tests to identify unknown compounds. In this chemistry lesson, students compare the physical and chemical properties of substances. They collect data and formulate a conclusion.
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7.012 F’04 Problem Set 1 ~ Biology
Course identification information is included in the upper left corner as well as within the title of this learning exercise. If you overlook or remove that information, you are left with a tremendous college biology assignment. There...
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Shells and Subshells
Students explore how to show evidence of subshells and electron filling on the visual scale. They examine subshell filling and evaluate unknowns based on the atomic emission spectrum. Students design an experiment to identify colors of...
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A Self Directed Inquiry into the Identification of Unknowns
High schoolers gain experience in designing an experiment and use logic in selecting specific tests for unknowns. Students recognize the use of spreadsheets in helping one to make clear comparisons.
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Skeletal System
Seventh graders explore the functions of the skeletal system. They collaborate in small groups to determine the function of the skeletal system, the types of joints and movement, bone strength and growth, and bone injuries including...
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Act in Time to Heart Attack Signs
Pupils examine the extent of the heart attack problem in the U.S. and identify the common heart attack warning signs. They watch and discuss a video, read a brochure, discuss overhead transparencies, identify the steps to take to survive...