Curated OER
Selecting Soil Organisms in Compost
Young scholars 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...
Curated OER
GPS Treasure Hunt
High schoolers practice using a GPS receiver and reading directions in an on-campus field trip. Students can identify a building stone, tree, or plant at each stop depending on which area of science is being studied.
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We All Start Somewhere
Students demonstrate an understanding that the same data can lead to different interpretations and conclusions and that different interpretations and conclusions are not necessarily wrong, but can be useful in developing other scientific...
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Active Ingredient Screening Test for Plants
Students explore the growth of bacteria. They determine if various plant materials contain active ingredients that inhibit the growth of bacteria. In addition, they complete a student data sheet.
Curated OER
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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Plant Biotechnology: Controlling Tissue Differentiation
Young scholars demonstrate hormonal control of plant tissue differentiation and relate this differentiation to gene expression. They explore the effects of hormones (auxin and cytokinin) on the genes that control tissue differentiation...
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Windows on Life
Students explore and observe living development using live fertilized chicken eggs. They open the eggs approximately 72 hrs after fertilization and make observations for several days.
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Endangered Species- Florida Panther
Students investigate the concept of the conservation of the Florida Panther and examine the effects of the Everglades water restoration project. They conduct a web based activity that includes the following: Listing what they know,...
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Measuring the Effect of Adrenaline on the Heart Rate of Zebra Fish
Students investigate the heart beat of zebra fish in timed intervals. They record the heart beats and average three counts to display in their data tables. They repeat these steps increasing the adrenaline solution.
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Termite Trail Marking Behavior
Students examine termites and their trail-marking behaviors. They draw lines on paper with various ink pens and experiment to see which types of ink the termites follow--or which inks do and do not elicit trail marking behavior.
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Smelly Balloons
Learners investigate the concept of diffusion through a membrane. They do this through the conduction of a simple experiment. Students make observations while determining if the smell of different chemicals seeps through the balloon...
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Quick Concept Demonstrations
Students research the nervous system. Demonstrations on how to pick up keyed information in text is shown daily and weekly. Reviewed for content is Nerve Impulse, Polarization and Depolarization and perception. A spreadsheet will graph...
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Cell Size Changes
Students examine the behavior of living cells treated with different types of stimuli. They watch an online movie, examine wet mount slides under a microscope, take an online quiz, and analyze data.
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The "How's and Whys" of Animal Behavior
Students read examples of behaviors in various animals. They design an experimental question about the behavior. They explain if the question involves the proximate or ultimate level of causation.
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Investigating Factors That Affect Rate of Enzyme Action
Students explore the properties of enzymes. In this chemical reaction lesson, students explore enzymes through a Web-quest and investigative study. Students will collect and summarize data and create a class presentation. This lesson is...
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Inside the Cranium: Neuropsychiatric Disorders
Young scholars analyze different regions of the brain which are responsible for different aspects of cognition, awareness and regulating the body's process.
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Animated Video Productions - Life Cycles
Seventh graders compare/contrast the life cycles of free-living organisms to that of parasites. They conduct Internet research, illustrate the stages of a specific organisms's life cycle, and direct and produce a mini-video production.
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Embryology as Evidence of Evolution
Students observe the two major developmental pathways (protostome and deuterostome). They analyze data regarding differences in nucleotide sequences and construct a phylogenetic tree. They observe the similar evolutionary history shared...
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Modeling African American Scientist Ernest Just's Experiment on Parthenogenesis
A multicultural science lesson, learners read a brief biography of Ernest Just and create a talk show in which they will perform an experiment after Just's work. With this lesson, students are taught to appreciate the contributions made...
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Things Living in a Pond
Ninth graders observe, compare, and classify various microorganisms using a microscope. They answer discussion questions, and record their observations on a chart.
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Osmosis Investigation
Students investigate osmosis as they determine how carrot cells respond to two different environments. They conduct the experiment, record the data, and answer discussion questions.
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Introduction to Lumbriculus variegatus
Students conduct two set experiments on Lumbriculus worms and create a third experiment of their own. The first of the two set experiments allows students to observe regeneration of the worms while the second allows students to test the...
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Human Epidermal Cells
Students explore epidermal cells. After following specified procedures for removing epidermal cells from their wrist, students view the cells with the use of a microscope. After creating a drawing of their observation, students label the...
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Life Cycle of the Drosophila Fly
High schoolers observe the life cycle of the Drosophila fly as well as manipulate large numbers of flies, determine the difference between the sexes, and identify the different stages of the fly's life cycle.
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