Curated OER
DNA Extraction Laboratory Experiment
Students will visualize how DNA is extracted from cells by performing a simple laboratory experiment. They will then use this knowledge to further understand how scientists are using DNA extraction to try to clone human cells, and to...
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Genetic Engineering
Learners will apply their knowledge acquired from two guest speakers to writing a three hundred-word essay on either the pros or cons of genetic engineering. They will try to persuade the reader of their essays to agree with their stance...
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Genetics for a Grim Future
Students perform a role playing exercise set in the next century after a nuclear war that destroys most of the present civilization. Groups of students act as genetic technicians making difficult choices concerning survival in this grim...
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SEXUAL LIFE CYCLE DEVELOPMENT USING MONOCYSTIS
Students perform a lab to becoe familar with scientific concepts. The skill of inquiry is essential and this lesson furthers its development. The intelligence of kinesthetics is used as learners perform the many aspects of this lab...
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A Model of Morphogenesis in Drosophila Melanogaster
Students investigate the following scientific terms and ideas: rates of diffusion, the role of morphogens in the development of larva, the chemical dynamics of a cell, and the significance of embryo polarity during development.
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"Honey Dew from Bunny Too!"
The students will design a lab to test the mechanism that triggers spore dispersal. They should have some clues after making observations of the life cycle. Part of the fun here is to let the students devise a method for testing this...
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AN EMBRYOLOGY PLACE MAT
Pupils create a place mat to attain the following objectives: determine the important ideas, concepts, and definitions relating to a list of embryological terms. Match the terms with their definitions and create short quizzes for them.
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Experiment on Minimal Segment Size Regeneration of Lumbriculus variegatus
The experiment allows students to observe regeneration of tailless and headless worm segments into complete individuals. Data of a completed experiment are included as well as a student activity sheet.
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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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Down the Drain
Students examine the following concepts: If water supplies contain materials which rot or decompose, oxygen is used. Decay and decomposition require vast supplies of oxygen. The use of oxygen for decay of wastes may be a life or death...
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Sweet or Unsweet?
This lesson challenges students to make their own judgments about the safety of artificial sweeteners after hands-on study and Internet research, and to support those judgments with carefully considered evidence and reasoning.
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Biodiversity
Students are challenged to examine the diversity of their own forest and make comparisons to a tropical rainforest. By exploring and grouping tree and insect types in their local forest, students will develop an understanding of diversity.
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Biodiversity: El Imposible National Park, El Salvador
Fifth graders explore the concept of how the more diverse an ecosystem is, the more interdependence of species exists within that system. The complex relationships among diverse species are difficult to identify. As species disappear or...
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Ocean Market
Students research how: The ocean is the source of many materials, from ores mined from its depths to relaxing mineral salts for a bath. Exquisite mother-of-pearl inlay, decorative shells, and pearl jewelry are found in gift shops...
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Life Science Terms
Middle schoolers work with the teacher as they go through the vocabulary. At the end of the activity they are asked to define the terms without their notes.