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Studying Living Organisms
Students discover and discuss the differences between prokaryotes and eukaryotes. Using a microscope, they examine various prepared slides of prokaryotic and eukaryotic organisms.
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Hardy-Weinberg Problems Tutorial
High schoolers are tested on their ability to solve mathematical problems dealing with the Hardy-Weinberg principle. There are 7 basic types of Hardy-Weinberg Problems which are randomly chosen by the program. Students sit at the...
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Interactive Tutorial on Inheritance Patterns Using Hypercard
Students participate in an interactive tutorial program designed to directly observe a variety of inheritance patterns. They select problems relating to genetics. They perform a calculation and receive feedback to reinforce their skills.
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Extraction of DNA from Onion
Students experiment with DNA by isolating it from plant tissue. They investigate whole onions to prepare DNA. They complete the experiment to examine the structural characteristics of DNA.
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Plant Biotechnology: Controlling Tissue Differentation
Students demonstrate skills of biotechnology stringent aseptic technique and statistical analysis. They describe hormonal control of plant tissue differentiation and relate this to gene expression. Students observe the effects of...
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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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Using Yeast as an Ultraviolet Light Measurement Tool
High schoolers 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...
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Cloning of Plasmid and Spinach DNA
Students ligate fragments of genomic DNA from spinach into a vector plasmid. They perform a restriction enzyme digestion. Student use a ligated DNA molecule to transform E. coli cells. Students analyze their procedures and outcome of...
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The Cloning of Plasmid and Spinach DNA
Students will first extract genomic DNA from spinach and perform a restriction enzyme digestion on both the spinach DNA and the plasmid using the same restriction enzyme. They then ligate the cut plasmid DNA with the cut spinach DNA in...
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Culturing Plants from Embryonic Plant Tissue
Student groups use lima beans to represent dicots and corn to represent monocots, soak the seeds, and separate the embryos from the cotyledons. They then place the seeds in Petri dishes in agar and observe for at least one week recording...
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Protoplast Production (Plant Cells Without Walls)
Students explore the spherical protoplasts of plants. Students observe that plant cells have a plasma membrane in addition to the cell wall. Students plasma membranes, solutes and organelles.
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Cell Transformation in Tobacco Leaf Disks
Students review the basic principles of plant cell structure, tissue culture, sterile technique, and cell transformation. Next students complete a plant transformation experiment using whole plant material in order to view evidence of...
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Active Ingredient Screening Test for Plants
Students determine if various plant materials contain active ingredients which will inhibit the growth of bacteria. They identify plant materials and their degree of sensitivity.
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Teaching Biotechnology by Analogies and Models
High schoolers examine analogies and create models to help visualize the concept and technique of basic biotechnology. Common scenarios are used to explain the complex procedures of genetic engineering.
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CONSTRUCTION OF A HEMOGLOBIN GENE
Students use research to see how eight pairs of triplets are equivalent to part of a gene and control a part of heredity. They also understand how red blood corpuscles manufacture normal hemoglobin.
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E.coli and their Human Environment
High schoolers observe how environmental changes (antibiotics) can affect the growth of E.coli, the rod shaped intestinal bacterium. They use the "F" test for statistical analysis. Students
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Surface Tension Grabbers
High schoolers explore why surface tension is such a very important biological concept. Determination is made on why the myriad of biota that interacts at the air-water interface are vital components of aquatic and marine ecosystems....
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Physiology Activity Perception and Behavior
Pupils conduct an experiment to determine a fly's ability to detect sugar, its behavioral response, how a previous experience may alter the response, if a fly can be tricked, and how human sensitivity compares to a fly.
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Population Dynamics of Growth of Drosophila
High schoolers investigate population dynamics such as variation in density of females, composition of food sources an environmental factors such as light and temperature on Drosophila. They then relate their findings to human...
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The Ghost of Populations Past
Students study population distribution and survivorship curves by collecting data regarding age of death of humans from either tombstones, newspapers, or other community resources. Students analyze data by creating graphs and population...
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Ecology of the Dump
Middle schoolers recreate landfills in petri dishes, observe relative biodegradability in a year-long project, and isolate a cellulose degrading bacteria while discovering the need for recycling and the serious problem waste management...
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Green Space in the City
High schoolers examine city parks and their importance and affect they have on the health and well being of a community. An oral report with visual aids is prepared as a group to educate the class on the importance of green space in the...
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Lotic Environment Lesson Plans
Students create and conduct experiments on a "classroom river habitat." They manipulate the biotic and abiotic factors so that they are able to compare an artificially prepared river model to a naturally occurring lotic ecosystem.
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Building an Ecologically Balanced Living Space
Students design and build an ecologically balanced living space based on the principles of an old growth forest. They take one part of a house (or structure in the community) and redesign it according to the principles of the forest cycle.
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