Illustrative Mathematics
Illustrative Mathematics: F Le Bacteria Populations
This task provides a real-world context for interpreting and solving exponential equations. Young scholars are asked to examine the equations representing the growth of three colonies of the bacterium that causes pneumonia, each colony...
Texas Instruments
Texas Instruments: Logistic Growth
Students are introduced to logistic growth curves using a graphing calculator. Lab data includes the number of bacteria over a 20-hour period. The activity numerically approximates the derivative and uses regression to find a curve...
Cells Alive
Cells Alive: Bacterial Growth
This site provides a brief explanation of how bacteria cells grow and why they do not over run the earth. View actual bacteria growing by way of a time lapse movie.
Middle School Science
Middle School Science: Where Can We Find Bacteria?
In this experimental site, you will find out where bacteria hang out and determine what kind of environmental conditions influence bacterial growth. Directions are clear and complete.
Other
Nsf International: Nsf Scrub Club
Keep yourself clean, kill bacteria, and stay healthy all year long by washing your hands (and under your fingernails) with warm soapy water. Play the "6 Steps Game" to learn how to properly clean your hands, meet the "villains" that...
Illustrative Mathematics
Illustrative Mathematics: F le.a & N Rn Extending the Definitions of Exponents 2
A biology student is studying bacterial growth. She was surprised to find that the population of the bacteria doubled every hour. Aligns with the F-LE.A and N-RN.A.1 standards.
Other
Indiana Biolab: Using Scien. Notation to Study Bacteria
Whoa! scientific notation in the real world. A lab's own paper on scinotation. Somewhat messy, but sort of fascinating.
City University of New York
Brooklyn College: Direct Microscopic Counts
Guidelines for an activity through which you, acting as a research assistant for a wine merchant, work to grow a microbe under different conditions.
Science Buddies
Science Buddies: Bacterial Transformation Efficiency
Is it possible to take advantage of microorganism's sophisticated makeup, short doubling times and cheap growth media to mass produce medically and commercially useful proteins? This is possible with a few simple genetic manipulations....
BiologyWise
Biology Wise: Facts About Spirillum
Describes the characteristics of the bacteria Spirillum, its shape and size, habitat, growth, method of storing nutrients, and facts about different species.
Curated OER
Science Kids: Science Images: Salmonella Bacteria
This photo shows the difference in growth between two salmonella bacteria samples.
Cells Alive
Cells Alive!: Cell Gallery
This gallery shows pictures of a variety of cell types with hyperlinks to additional information about cells. Very interesting pictures.
City University of New York
Cell Biology: An Interactive Journey
This interactive website about microscopes and microbes provides students with an introduction to cellular biology.
Texas Instruments
Texas Instruments: Is There a Limit?
In this activity, students examine data about bacteria and their growth. They produce a scatter plot, a best-fit model, and draw conclusions based on the data and graph.
Khan Academy
Khan Academy: Virulence Factors of Listeria Monocytogenes
This quiz provides questions related to the growth and genetics of bacteria. This study resource from Khan Academy provides practice questions for the MCAT.
Interactive Mathematics
Interactive Mathematics: Exponential & Logarithmic Equations
Several examples on solving exponential and logarithmic equations are presented here. Practice problems and a real-world application involving bacteria growth are included.
Success Link
Success Link: Microorganisms
Lesson plans to examine bactieria and how they grow. The main lesson page indicates that there are seven training labs, but there are only two operating links. Those two are worth exploring.
Other
Microbworld: Discover Unseen Life on Earth
Visit this terrific site "to find out all about the world of microbes from your own hands to the mighty Himalayas, landfills to oil spills, common colds to uncommon cures, under microscopes and in the news."
Other
Algebra Lab: Applications of Exponential Functions
Explains how exponential functions have applications in real-world scenarios, including a population of a city, the growth of bacteria, drug decay, and compounding interest. Includes four word problems to try, with hints and answers...
Illustrative Mathematics
Illustrative Mathematics: 8.ee Extending Definitions of Exponents, Variation 1
In this task, 8th graders examine the changes in the size of a population of bacteria during an experiment studying its growth. They learn how to talk about negative integer exponents and negative time. Aligns with 8.EE.A.1.
US Department of Agriculture
Agricultural Research Service: Salmonella Uses Chemical to Communicate
This site from the Agricultural Research Service cites a study that has found that Salmonella bacteria release a chemical that directly affects the growth of microorganisms. (January 27, 2000)
BiologyWise
Biology Wise: What Is Mannitol Salt Agar?
Mannitol salt agar is a medium used to grow bacterial cultures in a laboratory. Read here about its composition and how it works.
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