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Lesson 25 - Applications of Logarithmic Functions
in this applications of logarithmic functions activity, students solve 11 short answer problems. Students use logarithms to find half lives, compound interest, and population growth given a word problem.
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Yo! Gert-making yogurt
Young scientists or chefs culture yeast to produce yogurt. The materials and a general description of how make yogurt are provided, but there is very little detail otherwise. You could use this as an activity when your biology class is...
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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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Funky Food Farm
Students research about ways to keep food from spoiling. In this health science lesson plan, students design an experiment to keep the ice cubes from melting. They present their designs and results in class.
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Cleanliness
Pupils identify ways that staying clean contribute to good health. They perform an experiment involving potatoes and washed and unwashed hands, observing the results. They complete a cleanliness chart, checking off each healthful habit...
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Micro-organisms
Learners examine how micro-organisms are living organisms that are often too small to be seen. They explain that micro-organisms may be beneficial or harmful.
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Testing Growth of Algae
Students participate in an experiment in which they test the growing rate of algae. They test the algae in different elements recording their observations. They share their results with the class and discuss.
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Is There Life Before 121?
Students observe microbial growth in the lab. In this biology lesson, students determine the conditions suitable for bacterial growth. They explain the methods of sterilization and bioburden testing.
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Microbe Multiplication Magic
Students discover how microbes multiply. In this infectious disease lesson, students calculate the growth of bacteria in various environments. Students determine the role that the environment plays in the spread of infectious disease.
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Some Like It Hot, Some Like It Cold
Young scholars are explained that thermophiles are organisms that have optimal growth temperatures above 50oC. They investigate the temperature ranges for the growth of common bacteria. Students answer the question of do either of these...
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What Keeps Your Mouth Healthy?
Students dramatize the oral disease process caused by bacteria which leads to tooth decay.
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Simulation of Gene Splicing
Students simulate gene splicing by examining bacteria. They create a bacterial DNA into which they insert the human DNA (gene) that codes for growth hormone. They cut the sites of the enzyme to study how the human DNA can be joined to...
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COMPARE SOILS BY GROWING PLANTS
The student will identify the difference in the rate of plant growth in three soils that vary in organic matter.1. Obtain three to four flowerpots, different types of soil, a record chart, three to five beans for each pot, and water....
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Observing Brine Shrimp
Students observe brine shrimp eggs, create an appropriate environment for their survival, and observe their growth.
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Food Preservation
Students examine the variety of food preservation methods available today. In groups, they participate in an experiment to determine the conditions that encourage or stop the growth of bacteria. To end the lessons, they discuss the...
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The Meaning of Exponents
In this algebra worksheet, students calculate problems dealing with exponents as it relates to money and savings, bacterial growth and paper folding. There are 3 different sections with questions.
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Biological Processes: Putting Microbes to Work
Is there such a thing as useful microbes? Get ready to perform experiments on applying microbes for wastewater treatment. The first installment of the three-part unit provides background information to prepare young engineers for two...
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Plant Galls
Students study what a plant gall is and the different types that there are. In this plant lesson students examine what causes galls and how to prevent them.
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Superbugs: An Evolving Concern
Students investigate the growth of bacteria in the presence of antibiotics. They write a hypothesis, conduct an experiment to test their hypothesis, analyze the results of their bacterial growth experiment, and describe the results on a...
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Scientific Notation III: Linear vs Exponential
Young scholars examine the differences in exponential growth and linear growth of a system. They interpret data on graphs and develop their own charts. They answer discussion questions as well.
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Sex and the Single Bacterium
Pupils become familiar with microbiology and biotechnology laboratory techniques and observe the results of antibiotic resistance transfer from one bacteria to another via conjugation. They then calculate the "mating efficiency" by...
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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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Parasites: Our Tiny Companions
Students 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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Life's Big Questions: Where Did Life Come From?
Students explore the life forms that live in the hot springs of Yellowstone. They examine how microscopic creatures can survive in these extreme conditions. Students perform experiments to observe growth samples and demonstrate how a...
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