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Should Soil Be Sterile?
Students determine if the sterilization of topsoil is beneficial to seed germination and plant growth. They grow plants alongside control groups, make and record observations of plant growth and measure plant biomass.
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Plant Disease Identification and Classification by Using Sterile Techniques
Seventh graders identify how to use sterile techniques when identifying plant pathogens. For this plant diseases lesson students complete a lab activity in which they see how plant diseases are identified and classified.
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CELL TRANSFORMATION IN TOBACCO LEAF DISKS
Young scholars work with whole plant material and are not required to measure small quantities, yet they can see evidence of transformed plant cells (plant cells that have genes from bacterial plasmids). This is a laboratory suitable for...
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Three Generations of Imbeciles...": Eugenic Sterilization in America
Students examine the Eugenics movement in America with the case Buck vs. Bell, in which a woman was sterilized against her. They examine how science has been influential in forming public policy. They write a short paper on their...
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Using Sterile Techniques as a Tool in Studying Plant Diseases
Seventh graders examine the concept of sterile techniques. They realize that plant diseases can be identified and classified in various way. Students identify some of the diseases that attack the garden plants.
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Food Safety Lab-Part 3 Cross Contamination andHygiene
Students observe the effect of croos contamination as they inoculate orange juice with penicillin mold from the refrigeration lab and active yeast solution from the sterilization lab. They experience a simulation of passing bacteria...
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Microbes Are Everywhere - Biology Teaching Thesis
Learners are able to list at 3 rules for operating in a laboratory and to explain why each is important. They are able to identify problems with laboratory scenarios presented by the teachers. Students execute a lab protocol using...
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Antonyms 5
Here's a list of vocabulary words that will trick even your smartest vocabulary scholars! They have to identify the antonym for each of 10 words listed. Examples include fragrant, sterile, celerity, and apocryphal.
Learning Games Lab
Gram Staining
Scholars use a lab simulation to test contaminated yogurt for bacteria by gram staining. They learn proper lab procedures for handling bacteria and for sterilizing equipment, and then walk through the process on their own to try gram...
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Soil pH Effect on Germination of Specific Weeds
Learners collect weed seeds from three varieties of weeds (knapweed, thistle, or toadflax, for example they may choose others in addition to the spotted knapweed.) They sterilize soil for thirty containers, plant seeds in sterile soil,...
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Is There Life Before 121?
Students observe microbial growth in the lab. For this biology lesson, students determine the conditions suitable for bacterial growth. They explain the methods of sterilization and bioburden testing.
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Which Household Cleaners or Soaps Work Best Against Bacteria?
High schoolers experiment to determine the efficacy of various household cleaning products and soaps as antibacterial agents. They work in groups to complete this four part lesson series which includes identifying household bacteria,...
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Bioethics of Eugenics
Pupils research and discuss the ethical aspects of Nazi racial ideology, including sterilization, marriage prohibitions, and euthanasia. They develop codes of ethics regarding reproductive rights, euthanasia, and the death penalty.
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Dirt Life
Students select and collect soil samples from a variety of locations (schoolyard, home, etc.). They do this lab after an interest-generating discussion about "dirt" and microbes. Students make a dilution in sterile water, plate it on a...
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Isolating Bacteria from a Mix Culture
Students isolate three species of bacteria using the plate streak method, implement sterile microbiology techniques, and produce pure cultures of each microorganism at the end of this exercise. They write a descriptive paragraph for each...
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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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BACTERIAL GROWTH ON FOOD
Students address the question of the value of refrigeration in keeping food (chicken) from "spoiling". They experiment with aseptic technique skills in handling sterile water and some type of quoting system.
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Investigating the Regulation of Leukocyte Adhesion Through Extracellular Matrices
Young scholars examine the relationship between leukocyte adhesion and migration in response to chemoattractants. They discuss sterile techniques, observe a demonstration using mock cell culture, and develop a procedure for studying the...
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Parasites: Our Tiny Companions
Learners consider parasites that seek human hosts. They prepare nutrient agar plates and cultivate samples of bacteria taken from their own bodies. They experiment with disinfectants and soaps to determine which method kills the most...
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Bacteria Buddies
Tenth graders grow two different bacteria cultures. They count the colonies, and then use graphing calculators to predict the number of colonies that are going to appear. Students answer questions from their worksheet after completing...
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Termite Biology
Students explore the physical characteristics, distribution and habitat of termites. The lesson focuses on the termite as a social creature contrary to most other insects.
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Let's Grow Some Microbes!
Students investigate the effect that sterile and non-sterile environments have on growth of microbes. In this biology lesson, students observe the appearance of sample test tubes for 7 days. They explain why some test tubes' appearance...
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Parallel Studies in American/Afro-American Literature, Part II -- Black and White Images in Alienation
Young scholars begin the lesson plan with a review of the elements of poetry. Individually, they read a variety of poems and literature one white and one black author focusing on decay, sterility and alienation. They identify these...
NOAA
Watch the Screen!
Can a sponge cure cancer? Life science pupils visit the drugstore under the sea in the fifth lesson of six. Working groups research the topic then get hands-on experience by testing the inhibiting effects of several plant extracts on E....
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