Curated OER
Plasmolysis in Elodea Plant Cells
Students microscopically observe various subcellular components. They determine the effects of different salt solutions on Elodea plant cells. Students explain the major function of a cell membrane and describe its structure.
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Pond Life Identification Kit
Students explore ecology and biodiversty. They use the wet-mount procedure to make several slides to view using the microscope and draw what they see.
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Biosphere
Students examine the basic biosphere and its components. In this ecology lesson students complete several experiments including designing a system that is balanced to sustain life.
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Great Flathead Lake Ecosystem Mystery
Pupils analyze data to solve the mystery of what contributed to an ecological disaster at Great Flathead Lake. They read and graph the available data, create a food web of the problem ecosystem, and construct a formal problem statement...
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Why Are Cells So Small?
Students examine the relationship between cell surface area and the ability of materials to diffuse through a cell. They participate in an experiment in which they determine which materials diffuse easier than others. They complete...
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Goodbye Honey Buckets
Young scholars investigate arctic geology and hydrology as well as tundra ecology as they consider options for sewage treatment. Public safety, environmental impact, and issues of construction and engineering be explored.
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Survival of the Fittest
Sixth graders create their own "never before seen" marine creatures and examine how not all creatures in the sea swim, not all have sharp teeth
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Using Yeast as an Ultraviolet Light Measurement Tool
Students accurately measure the relationship between radiation dose and either survival or some genetic event such as mutation or recombination. They investigate the damage that was done to the DNA molecule as a result of exposure to...
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Music Technology
Students identify the features of a synthesizer and practice using them. They record different sounds using the software provided. They also examine sound waves and applications through the synthesizer.
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Computing Concepts with Java 2 Essentials
Students identify with various programming texts; introduce material in different orders; and emphasize different concepts. Students read an introduction to LiveTexts; complete various activities; discover and apply its Global features...
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Immigration Push and Pull Factors
Eighth graders examine significant ideas, beliefs, and themes; organize patterns and events; and analyze how individuals and societies have changed over time in Maryland, the United States, and the world.
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Geography
Students work together in groups to research the cultural groups of West Africa, Sudan and the Guinea Coast. They compare and contrast each culture and locate the political and cultural boundaries on a map.
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Superbugs and Antibiotic Resistance
Students complete experiments on antibiotics and antimicrobials. In groups, they explain how antibiotics affect the evolution of microorganisms. They test various types of bacteria to discover how much resistance they have to antibiotics.
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The Portable Niche
Third graders, in groups, research animals, plants, and conditions found in ecosystems.
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The Great Spider Debate
Students study about the survival and hunting strategies of several different kinds of spiders. They also be introduced to scientific classification of spiders and write a brief report about one of the spider families they observe.
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Land Use Issues
Students discover seeds are a source of life. They also label the parts of a seed and examine the conditions which are needed for the seed to start growing. They follow the life cycle of seeds.
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The Breathtaking Nature of the Urban Explosion, Part 4
Pupils explore the respiratory system. They use a computer to monitor the respiratory rate of an individual. They determine residual oxygen levels in exhaled air. Students evaluate how internal 02 and C02 concentrations influence...