Name _____________________________
Date ____________________
Class Period ______________
Bacteria Webquest!
*** Don’t forget to click on the animations when available! ***
Click on each link below. Use what you find at each website to answer all of the questions.
What are Microbes?: http://www.edu.pe.ca/SouthernKings/microintro.htm
1. What are microbes? ________________________________________________________________________
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2. How old are microbes? _____________________________________________________________________
3. List five (5) types of microbes.________________________________________________________________
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Where do microbes live?: http://www.edu.pe.ca/SouthernKings/microhabitats.htm
4. Name six environments where microbes can live
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5. How are animals dependent on microbes? ______________________________________________________
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6. How are microbes dependent on animals? ______________________________________________________
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7. Which is more numerous, the amount of microbes or the amount of people? ___________________________
The bacteria Cafeteria: http://www.edu.pe.ca/SouthernKings/microcafeteria.htm
Which microbes have you been eating? List at least 3 types of foods that microbes are associated with and tell: either
the microbe that helps produce the food or the process in which the food is made.
1.__________________________________________________________________________________________
2.__________________________________________________________________________________________
3.__________________________________________________________________________________________
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What are bacteria?: http://www.enchantedlearning.com/subjects/bacterium/
1. What are bacteria?
2. How old are bacteria?
3. Who first observed bacteria?
4. Bacteria are either heterotrophic or autotrophic. What does that mean?
5. How do bacteria reproduce?
6. What is a resting stage? When do bacteria enter this stage?
7. List three harmful and three helpful effects of bacteria.
Helpful
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Harmful
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Bacteria Cells: http://www.eurekascience.com/ICanDoThat/bacteria_cells.htm
How is bacteria a part of recycling and biodegrading?
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1. What are the five basic parts of bacteria?
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Bacteria Cell Picture: http://www.cellsalive.com/cells/bactcell.htm
2. Draw the basic appearance of all bacteria:
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Bacteria: http://www.beyondbooks.com/lif72/2a.asp
1. How many cells do bacteria have? ____________________________________________________________
2. Describe and draw an example of the three shapes of bacteria:
a. Cocci:
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b. Bacilli:
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c. Spirilla:
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3. What are two ways bacteria can get food? ______________________________________________________
4. What is the process called when bacteria divide into two cells? _____________________________________
5. Watch the animation of the process and draw the steps it goes through as it divides.
Bacteria Divide and Multiply: http://www.cellsalive.com/ecoli.htm
1. How long would it take for 2 bacteria cells to divide and turn into 4 bacteria cells? ______________________
2. How come our planet is not covered with bacteria?________________________________________________
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Mr. Carl’s E-Class: http://www.lanesville.k12.in.us/lcsyellowpages/Tickit/Carl/bacteria.html
1. Compare Archaebacteria and Eubacteria.
Archaebacteria
Eubacteria
2. What kind of substances do bacteria consume to get energy?
________________________________________________________________________________________
3. What is the process of making energy from food using oxygen? _____________________________________
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World Book Online: http://worldbookonline.com/student/article?id=ar041420&st=bacteria
Username cms350
Password cardinal
***Read the entire article ***
1. Bacteria are considered to be Prokaryotes; what does that term mean? ________________________________
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Helpful Bacteria: Not all bacteria are harmful to you, most bacteria can be helpful.
2. Describe two (2) ways bacteria are helpful to your body.
a. __________________________________________________________________________________
b. __________________________________________________________________________________
3. Describe two (2) ways bacteria are helpful in nature.
a. __________________________________________________________________________________
b. __________________________________________________________________________________
4. Describe two (2) ways bacteria are helpful in industry.
a. __________________________________________________________________________________
b. __________________________________________________________________________________
5. List two (2) reasons why scientists study bacteria
a. __________________________________________________________________________________
b. __________________________________________________________________________________
Harmful Bacteria: Some bacteria cause diseases in human beings
6. List eight (8) diseases caused by bacteria
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7. What three ways can bacteria be transferred from one person to another. ______________________________
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8. How do bacteria enter the human body? ________________________________________________________
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9. What causes botulism? _____________________________________________________________________
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Protection against harmful Bacteria:
10. What role does the skin play in keeping you safe from bacteria? ________________________________
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11. What are antibodies? __________________________________________________________________
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12. What are antibiotics? How do they work? __________________________________________________
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13. What causes antibiotics to become resistant? _______________________________________________
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14. What are three ways to prevent the growth of bacteria?
1.__________________________________________________________________________________________
2.__________________________________________________________________________________________
3.__________________________________________________________________________________________
Read the following websites and write a brief summary about each article: Make sure that you include what the
article is about, why each is important, how they are helpful to us, and how they were developed
http://www.bacteriamuseum.org/cms/How-We-Fight-Bacteria/antibiotics.html
http://www.bacteriamuseum.org/cms/How-We-Fight-Bacteria/vaccination-immunization.html
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