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  • Bacteria
Anthrax Attacks
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This Science NetLinks lesson focuses on the bacterial disease known as Anthrax. Anthrax has always been identified as a disease that infects cattle, but there are known cases of people contracting this disease directly from handling infected cattle. In this online lesson the students will research the disease and its impact on human health.

Material Type:
Lesson Plan
Teaching/Learning Strategy
Provider:
AAAS
Provider Set:
Science Netlinks
Date Added:
05/06/2006
Antibiotic Resistant Bacteria At the Meat Counter
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The pork chops you buy in the supermarket neatly packaged in plastic and styrofoam may look completely sterile, but are, in fact, likely to be contaminated with disease-causing bacteria - and not with just any old bugs, but with hard-to-treat, antibiotic resistant strains. In a recently published study, researchers with the National Antimicrobial Resistance Monitoring System bought meat from a wide sampling of chain grocery stores across the country and analyzed the bacteria on the meat. Resistant microbes were found in 81% of ground turkey samples, 69% of pork chops, 55% of ground beef samples, and 39% of chicken parts.

Subject:
Biology
Material Type:
Diagram/Illustration
Reading
Provider:
National Center For Science Education
University of California Museum of Paleontology
Provider Set:
Understanding Evolution
Date Added:
05/01/2013
Antiobiotic Resistance
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In the explorable explanation players can learn how antibiotic resistance happens. They can interact with bacteria in this simulation to learn how when living things reproduce, there is a small amount of variance in their offspring. This allows organisms to respond to changes in their environment over several generations. Applied to bacteria, when they treated with antibiotics, only the strongest survive and multiply, creating an increasing resilient population.

Subject:
Life Science
Material Type:
Activity/Lab
Game
Interactive
Simulation
Provider:
University of Wisconsin
Provider Set:
The Yard Games
Date Added:
08/04/2016
Bacteria Are Everywhere!
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Educational Use
Rating

Students are introduced to the concept of engineering biological organisms and studying their growth to be able to identify periods of fast and slow growth. They learn that bacteria are found everywhere, including on the surfaces of our hands. Student groups study three different conditions under which bacteria are found and compare the growth of the individual bacteria from each source. In addition to monitoring the quantity of bacteria from differ conditions, they record the growth of bacteria over time, which is an excellent tool to study binary fission and the reproduction of unicellular organisms.

Subject:
Engineering
Life Science
Biology
Chemistry
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Janet Yowell
Jasmin Hume
Date Added:
09/18/2014
Bacteria Ballistics
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On August 7, 1996, a chunk of rock made front-page news. It was a meteorite from Mars that was believed to contain fossils of one-celled life forms. Although that particular claim is still the subject of much debate, scientists are still intrigued by the possibility that microbes from Mars may have once seeded the Earth. In this Science Update, you'll hear about an unusual experiment that could help provide the answer.

Subject:
Biology
Material Type:
Activity/Lab
Lecture
Provider:
AAAS
Provider Set:
Science Netlinks
Date Added:
09/16/2007
Bacteria Basics : Microbiology Basics
Only Sharing Permitted
CC BY-ND
Rating

In this new video we look at the basics of bacteria. We look at their classifications, sizes, shapes and how they reproduce. This video is intended to be a primer on bacteria. We will go into more details as we progress in this series.
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Subject:
Biology
Material Type:
Lecture
Provider:
Mr. Ford's Class
Author:
Scott Ford
Date Added:
12/06/2014
Bacteria Culture Club
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating

Yogurt is the byproduct of hungry bacteria that digest the lactose in milk. You can make more yogurt just by feeding the bacteria more milk.

Subject:
Biology
Material Type:
Activity/Lab
Provider:
Exploratorium
Provider Set:
Science Snacks
Date Added:
11/20/2017
Bacteria Growth Inquiry: Bodily Bacteria and Healthy Hygiene Habits
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CC BY-NC-SA
Rating

In this inquiry activity, students generate investigable questions to explore the link between hygiene/cleanliness and bacteria growth/population. The students will present their conclusions, and video clips containing additional information will be discussed.

Subject:
Biology
Material Type:
Activity/Lab
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Pedagogy in Action
Author:
Krista Keller
Date Added:
08/16/2012
Bacteria Puzzle
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Try your hand at assembling the following bacteria jigsaw puzzle created with a Streptococcus image from CELLS alive! This puzzle is 32 pieces and generally takes a few minutes to solve.

Subject:
Education
Life Science
Material Type:
Activity/Lab
Diagram/Illustration
Provider:
SMARTR
Provider Set:
SMARTR: Virtual Learning Experiences for Youth
Date Added:
11/06/2010
Bacteria Transformation
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Educational Use
Rating

Students construct paper recombinant plasmids to simulate the methods genetic engineers use to create modified bacteria. They learn what role enzymes, DNA and genes play in the modification of organisms. For the particular model they work on, they isolate a mammal insulin gene and combine it with a bacteria's gene sequence (plasmid DNA) for production of the protein insulin.

Subject:
Engineering
Genetics
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Kimberly Anderson
Matthew Zelisko
Date Added:
09/18/2014
Bacteria and Chronic Infections -  Adaptation and Evolution of Bacteria (09:35)
Only Sharing Permitted
CC BY-NC-ND
Rating

In this presentation, we talk about adaptation and evolution of bacteria. Furthermore, we will discuss how you can work with or against evolution, regarding the treatment of bacteria and biofilms.

Subject:
Health, Medicine and Nursing
Material Type:
Lecture
Provider:
University of Copenhagen
Author:
Professor Thomas Bjarnsholt
Date Added:
11/02/2018
Bacteria and Chronic Infections -  Bacteria and Biofilms are Everywhere (02:57)
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CC BY-NC-ND
Rating

This presentation introduces bacteria and biofilms. Where do we find bacteria? Is it possible to live without bacteria? Should we be scared of bacteria?

Subject:
Health, Medicine and Nursing
Material Type:
Lecture
Provider:
University of Copenhagen
Author:
Professor Thomas Bjarnsholt
Date Added:
11/02/2018
Bacteria and Chronic Infections -  Diagnosis in Clinical Practice (06:03)
Only Sharing Permitted
CC BY-NC-ND
Rating

In this presentation, we will talk about diagnosis of bacteria and chronic infections in clinical practices. We will discuss why we need to diagnose bacteria in infections and what the biggest challenges are in diagnosing bacterial and chronic infections. Finally, we will discuss what the future will bring, regarding bacteria and diagnosis.

Subject:
Health, Medicine and Nursing
Material Type:
Lecture
Provider:
University of Copenhagen
Author:
Professor Thomas Bjarnsholt
Date Added:
11/02/2018
Bacteria and Chronic Infections -  Planktonic and Biofilm Growing Bacteria with Niels Høiby and Thomas Bjarnsholt (08:20)
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CC BY-NC-ND
Rating

In this presentation, we will talk about bacteria, and the two life forms planktonic and biofilm growing bacteria. In continuation of this we will explain the difference between planktonic and biofilm growing bacteria.

Subject:
Health, Medicine and Nursing
Material Type:
Lecture
Provider:
University of Copenhagen
Author:
Professor Thomas Bjarnsholt
Date Added:
11/02/2018
Bacteria and Chronic Infections -  Skin Microbiology (09:35)
Only Sharing Permitted
CC BY-NC-ND
Rating

The aim of this presentation is to expand the student knowledge about skin microbiology. The main skin microbes are bacteria, viruses and fungi, which normally are friendly without causing harms. However, the skin flora is constantly challenges by our every-day life activities.

Subject:
Health, Medicine and Nursing
Material Type:
Lecture
Provider:
University of Copenhagen
Author:
bacteria
biofilm
fungi
Nordic BCI
skin microbiology
viruses
Date Added:
11/02/2018
Bacterial Batteries
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Bacteria get a bad rap for causing disease, but many of these organisms are beneficial. Without them, we wouldn't be able to digest our food, and garbage would never decompose. Now, one group of scientists has found another way to put bacteria to work. They have developed a fuel cell that can convert organic material into electricity.

Subject:
Biology
Material Type:
Activity/Lab
Lecture
Provider:
AAAS
Provider Set:
Science Netlinks
Date Added:
09/16/2007
Bacterial Growth
Restricted Use
Copyright Restricted
Rating

Dr. Brett Finlay shows how bacteria can grow rapidly to incredible numbers, and also explains what limits this explosive growth. This resource would be great preparation material for a classroom discussion or video presentation for both the students and the teacher. This visual helps further broaden the knowledge of students in both the upper high school and college undergraduate on bacterial growth. The lecture is featured on the DVD 2000 and Beyond: Confronting the Microbe Menace, available free from HHMI. The video is 54 seconds long and available on WMV (10MB) and MOV (8MB). All Infection Disease videos can be found at http://www.hhmi.org/biointeractive/disease/video.html .

Subject:
Biology
Material Type:
Lecture
Provider:
Howard Hughes Medical Institute
Date Added:
03/28/2011
Bio 235_ Intro to Microbiology_ Fall 2019
Unrestricted Use
CC BY
Rating

This is a Introduction to microbiology course. The content of this module is syllabus as well as powerpoint slides presentation, using OpenStax Microbiology textbook. Content uploaded by Joanna Gray. All content created by            Jaleh E. Jalili

Subject:
Biology
Material Type:
Module
Author:
Joanna Gray
Date Added:
08/26/2019
Biology
Unrestricted Use
CC BY
Rating

Biology is designed for multi-semester biology courses for science majors. It is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand. To meet the needs of today’s instructors and students, some content has been strategically condensed while maintaining the overall scope and coverage of traditional texts for this course. Instructors can customize the book, adapting it to the approach that works best in their classroom. Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand—and apply—key concepts.

Subject:
Life Science
Biology
Material Type:
Full Course
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
08/22/2012
Biology: Bacteria
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating

This 18-minute video lesson provides an introduction to bacteria. [Biology playlist: Lesson 18 of 71].

Subject:
Biology
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
05/18/2012
Biology, Biological Diversity, Prokaryotes: Bacteria and Archaea, Bacterial Diseases in Humans
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CC BY-NC
Rating

By the end of this section, you will be able to:Identify bacterial diseases that caused historically important plagues and epidemicsDescribe the link between biofilms and foodborne diseasesExplain how overuse of antibiotic may be creating “super bugs”Explain the importance of MRSA with respect to the problems of antibiotic resistance

Subject:
Applied Science
Life Science
Biology
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
07/10/2017
Biology, Biological Diversity, Prokaryotes: Bacteria and Archaea, Beneficial Prokaryotes
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CC BY-NC
Rating

By the end of this section, you will be able to:Explain the need for nitrogen fixation and how it is accomplishedIdentify foods in which prokaryotes are used in the processingDescribe the use of prokaryotes in bioremediationDescribe the beneficial effects of bacteria that colonize our skin and digestive tracts

Subject:
Applied Science
Life Science
Biology
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
07/10/2017
Biology, Biological Diversity, Prokaryotes: Bacteria and Archaea, Prokaryotic Diversity
Conditional Remix & Share Permitted
CC BY-NC
Rating

By the end of this section, you will be able to:Describe the evolutionary history of prokaryotesDiscuss the distinguishing features of extremophilesExplain why it is difficult to culture prokaryotes

Subject:
Applied Science
Life Science
Biology
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
07/10/2017
Biology, Biological Diversity, Prokaryotes: Bacteria and Archaea, Prokaryotic Metabolism
Conditional Remix & Share Permitted
CC BY-NC
Rating

By the end of this section, you will be able to:Identify the macronutrients needed by prokaryotes, and explain their importanceDescribe the ways in which prokaryotes get energy and carbon for life processesDescribe the roles of prokaryotes in the carbon and nitrogen cycles

Subject:
Applied Science
Life Science
Biology
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
07/10/2017
Biology, Biological Diversity, Prokaryotes: Bacteria and Archaea, Structure of Prokaryotes
Conditional Remix & Share Permitted
CC BY-NC
Rating

By the end of this section, you will be able to:Describe the basic structure of a typical prokaryoteDescribe important differences in structure between Archaea and Bacteria

Subject:
Applied Science
Life Science
Biology
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
07/10/2017
Biology, Preface to Biology, Preface to Biology
Conditional Remix & Share Permitted
CC BY-NC
Rating

Biology is designed for multi-semester biology courses for science majors. It is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand. To meet the needs of today’s instructors and students, some content has been strategically condensed while maintaining the overall scope and coverage of traditional texts for this course. Instructors can customize the book, adapting it to the approach that works best in their classroom. Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand—and apply—key concepts.

Subject:
Applied Science
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
07/10/2017
Biosensors for Food Safety
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Educational Use
Rating

How can you tell if harmful bacteria are in your food or water that might make you sick? What you eat or drink can be contaminated with bacteria, viruses, parasites and toxins—pathogens that can be harmful or even fatal. Students learn which contaminants have the greatest health risks and how they enter the food supply. While food supply contaminants can be identified from cultures grown in labs, bioengineers are creating technologies to make the detection of contaminated food quicker, easier and more effective.

Subject:
Career and Technical Education
Life Science
Material Type:
Lesson
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Evangelyn Alocilja
Hannah Miller
Lisa Wininger
Date Added:
02/17/2017
Cheek Cells and Bacteria
Restricted Use
Copyright Restricted
Rating

Dr. Brett Finlay enlists a student volunteer to show the surprisingly high amount of bacteria found in his own mouth. This resource is also featured on the DVD 2000 and Beyond: Confronting the Microbe Menace, available free from HHMI. This video is one minute and 27 seconds in length, and available in MOV (8 MB) and WMV (12 MB). All Infectious Disease videos are located at: http://www.hhmi.org/biointeractive/disease/video.html.

Subject:
Health, Medicine and Nursing
Biology
Material Type:
Lecture
Provider:
Howard Hughes Medical Institute
Author:
Dr. Brett Finlay
Date Added:
03/28/2011
Clean it Up!
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Educational Use
Rating

Students learn about a special branch of engineering called bioremediation, which is the use of living organisms to aid in the clean-up of pollutant spills. Students learn all about bioremediation and see examples of its importance. In the associated activity, students conduct an experiment and see bioremediation in action!

Subject:
Engineering
Environmental Science
Material Type:
Activity/Lab
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Janet Yowell
Karen King
Katherine Beggs
Date Added:
09/18/2014
Concepts of Biology by Rice University Textbook Resources for Biology II
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating

This includes materials to be used for a General Biology II course (or Introduction to Biology II course) for non-science majors.

Subject:
Biology
Material Type:
Full Course
Homework/Assignment
Lecture
Lecture Notes
Lesson
Module
Reading
Teaching/Learning Strategy
Unit of Study
Author:
Amanda Brammer
Date Added:
08/09/2019
Dirty Decomposers
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Educational Use
Rating

Students design and conduct experiments to determine what environmental factors favor decomposition by soil microbes. They use chunks of carrots for the materials to be decomposed, and their experiments are carried out in plastic bags filled with dirt. Every few days students remove the carrots from the dirt and weigh them. Depending on the experimental conditions, after a few weeks most of the carrots will have decomposed completely.

Subject:
Engineering
Environmental Science
Material Type:
Activity/Lab
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Mary R. Hebrank
Date Added:
09/18/2014
The Discovery of Penicillin
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Educational Use
Rating

This video segment adapted from A Science Odyssey tells the story of researcher Sir Alexander Fleming, whose luck and scientific reasoning led to the groundbreaking discovery of penicillin.

Subject:
Life Science
Material Type:
Lecture
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media: Multimedia Resources for the Classroom and Professional Development
Teachers' Domain
Author:
Lawrence Hall of Science
WGBH Educational Foundation
Date Added:
09/26/2008
The Ecology of Your Skin 1: Bacteria that Live on the Skin
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The Ecology of Your Skin 1: Bacteria that Live on the Skin, students explore the concept of interdependence of life in the context of our relationship with bacteria. To do this, students explore the physical parameters of the body and how those affect the bacteria that live on the body.

Subject:
Ecology
Material Type:
Lesson Plan
Teaching/Learning Strategy
Provider:
AAAS
Provider Set:
Science Netlinks
Date Added:
07/29/2012
The Ecology of Your Skin 2: The Microbial World Is an Olfactory World
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The Microbial World is an Olfactory World is a resource that introduces students to the olfactory world of our bacterial symbionts. Students examine some ideas about the purposes of body odors and create some hypotheses themselves. What we want to emphasize is not so much the structure, but the fact that bacteria, like all cells, carry out basic functions and the effects of those functions on us (i.e., body odor).

Subject:
Ecology
Material Type:
Lesson Plan
Teaching/Learning Strategy
Provider:
AAAS
Provider Set:
Science Netlinks
Date Added:
08/23/2012
The Ecology of Your Skin 3: The Body Food Connection
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In The Ecology of Your Skin 3: The Body Food Connection, students perform an exploration of bacteria in milk to see how they can get cheese-like results from body bacteria. This is extended to explorations and discussions on traditional and ethnic cuisines and the importance of bacteria in creating the distinctive aromas and flavors.

Subject:
Ecology
Nutrition
Material Type:
Lesson Plan
Teaching/Learning Strategy
Provider:
AAAS
Provider Set:
Science Netlinks
Date Added:
08/27/2012
Fighting Back! (Lesson)
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Educational Use
Rating

This lesson describes the major components and functions of the immune system and the role of engineers in keeping the body healthy (e.g., vaccinations and antibiotics, among other things). This lesson also discusses how an astronaut's immune system is suppressed during spaceflight due to stress and other environmental factors.

Subject:
Engineering
Anatomy/Physiology
Material Type:
Activity/Lab
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Denali Lander
Janet Yowell
Malinda Schaefer Zarske
Teresa Ellis
Date Added:
09/18/2014
Garden Science: CHNOPS
Conditional Remix & Share Permitted
CC BY-NC
Rating

In this 8th grade science lesson, students review the six essential elements of life and discuss how they function in the garden.

Material Type:
Activity/Lab
Author:
Kyle Cornforth
Date Added:
03/16/2020
Gender-Biased Bacteria Throw off an Evolutionary Balance
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This month, biologists reported that a bacterial infection has run rampant in populations of a major crop pest in the Southwest. The bacterium (called Rickettsia) is a close relative of the species that causes typhus in humans. Its host is the sweet potato whitefly, a tiny bug that can occur in large enough numbers to form visible clouds. Whiteflies suck the sap from plants and spread crop diseases, causing hundreds of millions of dollars of damage in a single season. In just a few years, the percentage of southwestern whiteflies infected with Rickettsia has skyrocketed from 1% to more than 90%. Unfortunately, this is not the boon for local farmers that it might seem.

Subject:
Biology
Material Type:
Diagram/Illustration
Reading
Provider:
National Center For Science Education
University of California Museum of Paleontology
Provider Set:
Understanding Evolution
Date Added:
04/01/2011
Gene Machine: The Lac Operon
Unrestricted Use
CC BY
Rating

Build a gene network! The lac operon is a set of genes which are responsible for the metabolism of lactose in some bacterial cells. Explore the effects of mutations within the lac operon by adding or removing genes from the DNA.

Subject:
Genetics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
George Spiegelman
Jared Taylor
John Blanco
Kathy Perkins
Noah Podolefsky
Date Added:
05/01/2010
Gene Machine: The Lac Operon (AR)
Unrestricted Use
CC BY
Rating

Build a gene network! The lac operon is a set of genes which are responsible for the metabolism of lactose in some bacterial cells. Explore the effects of mutations within the lac operon by adding or removing genes from the DNA.

Subject:
Genetics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
George Speigelman
Jared Taylor
John Blanco
Kathy Perkins
Noah Podolefsky
Date Added:
05/01/2010
General Microbiology
Conditional Remix & Share Permitted
CC BY-NC
Rating

Welcome to the wonderful world of microbiology! Yay! So. What is microbiology? If we break the word down it translates to “the study of small life,” where the small life refers to microorganisms or microbes. But who are the microbes? And how small are they?

Generally microbes can be divided into two categories: the cellular microbes (or organisms) and the acellular microbes (or agents). In the cellular camp we have the bacteria, the archaea, the fungi, and the protists (a bit of a grab bag composed of algae, protozoa, slime molds, and water molds). Cellular microbes can be either unicellular, where one cell is the entire organism, or multicellular, where hundreds, thousands or even billions of cells can make up the entire organism. In the acellular camp we have the viruses and other infectious agents, such as prions and viroids.

In this textbook the focus will be on the bacteria and archaea (traditionally known as the “prokaryotes,”) and the viruses and other acellular agents.

Subject:
Biology
Material Type:
Textbook
Provider:
Oregon State University
Author:
Linda Bruslind
Date Added:
01/06/2020
Germs and the Body
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This Science NetLinks lesson explores germs, where they exist, and how they can affect the body. It also addresses a common misconception that students of all ages may have - that factors important to health are beyond their personal control. In studying bacteria, students will also learn preventative measures they can take to stay healthy.

Material Type:
Lesson Plan
Teaching/Learning Strategy
Provider:
AAAS
Provider Set:
Science Netlinks
Date Added:
08/02/2006
Gravity-Fed Water System for Developing Communities
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Educational Use
Rating

Students learn about water poverty and how water engineers can develop appropriate solutions to a problem that is plaguing nearly a sixth of the world's population. Students follow the engineering design process to design a gravity-fed water system. They choose between different system parameters such as pipe sizes, elevation differentials between entry and exit pipes, pipe lengths and tube locations to find a design that provides the maximum flow and minimum water turbidity (cloudiness) at the point of use. In this activity, students play the role of water engineers by designing and building model gravity-fed water systems, learning the key elements necessary for viable projects that help improve the lives people in developing communities.

Subject:
Engineering
Hydrology
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Janet Yowell
Jeff Walters
Malinda Schaefer Zarske
Date Added:
10/14/2015
How Antibiotics Work
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Educational Use
Rating

Students are introduced to a challenge question. Towards answering the question, they generate ideas for what they need to know about medicines and how they move through our bodies, watch a few short videos to gain multiple perspectives, and then learn lecture material to obtain a basic understanding of how antibiotics kill bacteria in the human body. They learn why different forms of medicine (pill, liquid or shot) get into the blood stream at different speeds.

Subject:
Engineering
Life Science
Material Type:
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Michelle Woods
Date Added:
09/18/2014
How Caves Form
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Educational Use
Rating

This interactive activity from NOVA Online shows four different ways in which caves are formed: by rainwater, waves, lava, and bacteria.

Subject:
Geology
Material Type:
Activity/Lab
Interactive
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media: Multimedia Resources for the Classroom and Professional Development
Teachers' Domain
Author:
National Science Foundation
WGBH Educational Foundation
Date Added:
10/21/2005
How Fast Can a Carrot Rot?
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Educational Use
Rating

Students conduct experiments to determine what environmental factors favor decomposition by soil microbes. They use chunks of carrots for the materials to be decomposed, and their experiments are carried out in plastic bags filled with dirt. Every few days students remove the carrots from the dirt and weigh them. Depending on the experimental conditions, after a few weeks most of the carrots have decomposed completely.

Subject:
Engineering
Education
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Mary R. Hebrank
Date Added:
10/14/2015
Innate Immunity to Bacteria
Only Sharing Permitted
CC BY-NC-ND
Rating

The innate response to bacterial infection lies in its first-response role of detection of a foreign organism. By using the tools of Pattern-Recognition Receptors (PRRs), the innate response flags up problems while the adaptive response gets itself organized.

Subject:
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Blood
Date Added:
02/11/2015
An Introduction to Global Health - Infectious Diarrheal Diseases (12:51)
Only Sharing Permitted
CC BY-NC-ND
Rating

This presentation provides an introduction to diarrheal diseases caused by bacteria, viruses, parasites and other disease causing agents or pathogens. Furthermore, we’ll look at the range of syndromes associated with diarrhea and uncover two significant pathogens: rotavirus and vibrio cholera. Finally, we’ll delve into methods for managing diarrheal diseases and the significance of sanitation in preventing diarrheal diseases.

Subject:
Health, Medicine and Nursing
Material Type:
Lecture
Provider:
University of Copenhagen
Provider Set:
An Introduction to Global Health
Author:
Infectious Disease Researcher Suhella Tulsiani
Date Added:
01/07/2014
Life Science
Read the Fine Print
Educational Use
Rating

This unit covers the processes of photosynthesis, extinction, biomimicry and bioremediation. In the first lesson on photosynthesis, students learn how engineers use the natural process of photosynthesis as an exemplary model of a complex yet efficient process for converting solar energy to chemical energy or distributing water throughout a system. In the next lesson on species extinction, students learn that it is happening at an alarming rate. Students discover that the destruction of habitat is the main reason many species are threatened and how engineers are trying to stop this habitat destruction. The third lesson introduces students to the idea of biomimicry or looking to nature for engineering ideas. And, in the fourth and final lesson, students learn about a specialty branch of engineering called bioremediation the use of living organisms to aid in the clean up of pollutant spills.

Subject:
Engineering
Botany
Material Type:
Full Course
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Date Added:
10/14/2015
Life Size
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In this activity on page 1 of the PDF, learners compare the relative sizes of biological objects (like DNA and bacteria) that can't be seen by the naked eye. Learners will be surprised to discover the range of sizes in the microscopic world. This activity can be followed up with a second activity, "What's in a microbe?", located on page 3 in the same resource.

Subject:
Biology
Material Type:
Activity/Lab
Provider:
Exploratorium
Author:
Julie Yu
National Science Foundation
The Exploratorium
Date Added:
11/07/2006