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− | [http://www.karnatakaeducation.org.in/KOER/en/index.php/Science:_History The Story of Science] | + | [http://karnatakaeducation.org.in/KOER/en/index.php/Science:_History The Story of Science] |
− | |style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "|[http://www.karnatakaeducation.org.in/KOER/en/index.php/Science:_Philosophy Philosophy of Science] | + | |style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "|[http://karnatakaeducation.org.in/KOER/en/index.php/Science:_Philosophy Philosophy of Science] |
| |style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "| | | |style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "| |
− | [http://www.karnatakaeducation.org.in/KOER/en/index.php/Science:_Pedagogy Teaching of Science] | + | [http://karnatakaeducation.org.in/KOER/en/index.php/Science:_Pedagogy Teaching of Science] |
| |style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "| | | |style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "| |
− | [http://www.karnatakaeducation.org.in/KOER/en/index.php/Science:_Curriculum_and_Syllabus Curriculum and Syllabus] | + | [http://karnatakaeducation.org.in/KOER/en/index.php/Science:_Curriculum_and_Syllabus Curriculum and Syllabus] |
| |style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "| | | |style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "| |
− | [http://www.karnatakaeducation.org.in/KOER/en/index.php/Science:_Topics Topics in School Science] | + | [http://karnatakaeducation.org.in/KOER/en/index.php/Science:_Topics Topics in School Science] |
| |style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "| | | |style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "| |
− | [http://www.karnatakaeducation.org.in/KOER/en/index.php/Textbooks#Science_-_Textbooks Textbooks] | + | [http://karnatakaeducation.org.in/KOER/en/index.php/Textbooks#Science_-_Textbooks Textbooks] |
| |style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "| | | |style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "| |
− | [http://www.karnatakaeducation.org.in/KOER/en/index.php/Science:_Question_Papers Question Bank] | + | [http://karnatakaeducation.org.in/KOER/en/index.php/Science:_Question_Papers Question Bank] |
| |} | | |} |
| While creating a resource page, please click here for a resource creation [http://karnatakaeducation.org.in/KOER/en/index.php/Resource_Creation_Checklist '''checklist'''] | | While creating a resource page, please click here for a resource creation [http://karnatakaeducation.org.in/KOER/en/index.php/Resource_Creation_Checklist '''checklist'''] |
| = Concept Map = | | = Concept Map = |
| __FORCETOC__ | | __FORCETOC__ |
− | <mm>[[Bacteria.mm|Flash]]</mm>
| + | [[File:Bacteria.mm|Flash]] |
| | | |
| = Textbook = | | = Textbook = |
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| (i) '''Photoautorophs''' trap solar energy for utilization CO2 and use H2S in place of H2O. Thus, O2 is never released.<br> | | (i) '''Photoautorophs''' trap solar energy for utilization CO2 and use H2S in place of H2O. Thus, O2 is never released.<br> |
| (ii) '''Chemoautotrophs''' obtain energy from chemical by oxidation process for food synthesis and carbon from CO2.<br> This type include nitrifying bacteria, sulphur bacteria, iron bacteria etc.<br> Heterotrophs are also of two types- Photoheterotrophs and chemoheterotrophs. <br>Photoheterotrophs use light as energy source and an organic compound as source of carbon, e.g. Green and purple bacteria. <br>Chemoheterotrophs use chemical as energy and carbon may also be obtained from the same organic substances.<br> Most of the bacteria belong to this type.<br> | | (ii) '''Chemoautotrophs''' obtain energy from chemical by oxidation process for food synthesis and carbon from CO2.<br> This type include nitrifying bacteria, sulphur bacteria, iron bacteria etc.<br> Heterotrophs are also of two types- Photoheterotrophs and chemoheterotrophs. <br>Photoheterotrophs use light as energy source and an organic compound as source of carbon, e.g. Green and purple bacteria. <br>Chemoheterotrophs use chemical as energy and carbon may also be obtained from the same organic substances.<br> Most of the bacteria belong to this type.<br> |
| + | [[File:Mode of Nutrition in Bacteria.png|400px]] |
| | | |
| '''Nutritional types in bacterial metabolism | | '''Nutritional types in bacterial metabolism |
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| |- | | |- |
| |} | | |} |
| + | |
| ====Reproduction in Bacteria==== | | ====Reproduction in Bacteria==== |
| The sexual or asexual process by which organisms generate new individuals of the same kind is '''reproduction.'''<br> | | The sexual or asexual process by which organisms generate new individuals of the same kind is '''reproduction.'''<br> |
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| #Classify bacteria on the basis of shapes. | | #Classify bacteria on the basis of shapes. |
| #Identify the structure and morphology of bacteria. | | #Identify the structure and morphology of bacteria. |
| + | #understand the modes of nutrition in bacteria. |
| + | #Identify differences between the asexual and sexual types of reproduction in bacteria. |
| + | #understand the economic importance of bacteria and its uses. |
| + | #describe about the harmful effects of bacteria. |
| | | |
| ===Notes for teachers=== | | ===Notes for teachers=== |
− | Teacher can introduce the lesson on bacteria by giving a brief introduction about monera and prokaryotes.<br> ( Internal link the lesson Click here [[:File:1. introduction to monera.pdf]]Introduction to monera for reference). <br>
| + | Teacher can introduce the lesson on bacteria by giving a brief introduction about monera and prokaryotes.<br> ( Internal link the lesson Click here [[:File:1. introduction to monera.pdf]]<br> |
| + | Introduction to monera for reference).<br> |
| + | Refer this link to show bacteria on Human Body and its effects.[http://t2.gstatic.com/images?q=tbn:ANd9GcSdG85L1SRf5DY-ptAg3VrowS8dwS2Cq4iAXG9p9Wy4NltDqUtc2g]<br> |
| + | '''It is better if teachers refer the websites concerned to the topic . Few links are given in web resources heading.'''<br> |
| 4. Teacher Should be familiar with the meaning of following terms related to bacteria.<br> | | 4. Teacher Should be familiar with the meaning of following terms related to bacteria.<br> |
| '''Words to Know''' <br> | | '''Words to Know''' <br> |
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| |<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;"> | | |<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;"> |
− | ''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div> | + | ''[http://karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div> |
| |} | | |} |
| * | | * |
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| Time Required: 20 Minutes.<br> | | Time Required: 20 Minutes.<br> |
| *Multimedia resources<br> | | *Multimedia resources<br> |
− | Charts/ Diagrams
| + | Charts/ Diagrams |
| *'''Website interactives/ links/ simulations'''<br> | | *'''Website interactives/ links/ simulations'''<br> |
| Wesite interactions/links/ simulations | | Wesite interactions/links/ simulations |
− | Image credit-- Resources needed are Refer Link about images of habitat of bacteria in google search to show that bacteria is present everywhere. [http://www.google.co.in/#q=Images+of+habitat+of+bacteria] <br>Ppt. on structure of Bacteria [[:File:Bacterial Structures (1).pdf]]
| + | Image credit-- Resources needed are Refer Link about images of habitat of bacteria in google search |
| + | #[http://www.google.co.in/#q=Images+of+habitat+of+bacteria Habitat of Bacteria] <br> |
| + | #Ppt. on structure of Bacteria [[:File:Bacterial Structures (1).pdf]] |
| + | #[http://www.scribd.com/doc/6694153/Lecture-4-Bacteria-Nutrition-Metabolism-and-Growth Nutrition] |
| + | #[http://bugs.bio.usyd.edu.au/learning/resources/CAL/Microconcepts/moviePages/conjugation.html Animation of Sexual Reproduction in Bacteria] |
| + | #[http://bugs.bio.usyd.edu.au/learning/resources/CAL/Microconcepts/moviePages/Ecoli.html Reproduction in E.Coli.] |
| + | #[http://bugs.bio.usyd.edu.au/learning/resources/CAL/Microconcepts/moviePages/bacteriaDivision.html Bacteria Reproduction] |
| + | #[http://pdfsdb.com/ppt/economic-importance-of-bacteria-ppt Economic importance of Bacteria] |
| + | # Additional Information[http://www.scienceclarified.com/As-Bi/Bacteria.html#ixzz2WGcoDtB2 to know about bacteria] |
| + | #[http://www.scienceclarified.com/As-Bi/Bacteria.html#ixzz2WGcoDtB2 Effects of Bacteria] |
| + | #[http://truth-out.org/opinion/item/25241-all-the-blood-in-your-body A very scary article on the spread of the ebola virus in Africa in July 2014] |
| + | |
| + | Refer this link to show ppt on various topics in Science [http://www.worldofteaching.com/sciencepowerpoints.html] |
| + | |
| *'''Process/ Developmental Questions'''<br> | | *'''Process/ Developmental Questions'''<br> |
| Procedure:Add lemon juice to a cup of milk . See the changes. Milk changes into curds.<br> How did this change take place? (Lactococcus lactis is a microbe classified informally as a Lactic Acid Bacterium <br>because it ferments milk sugar (lactose) to lactic acid.)[[File:lactus bacteria.jpg|100px|left]][[File:Curds.jpg|100px|left]] | | Procedure:Add lemon juice to a cup of milk . See the changes. Milk changes into curds.<br> How did this change take place? (Lactococcus lactis is a microbe classified informally as a Lactic Acid Bacterium <br>because it ferments milk sugar (lactose) to lactic acid.)[[File:lactus bacteria.jpg|100px|left]][[File:Curds.jpg|100px|left]] |
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| = Project Ideas = | | = Project Ideas = |
− | '''Do this activity at home''': About a cup of milk is taken in a vessel & kept for 1-2days. Similarly A lemon is cut into halves and kept for 2days.<br> After 2 days students will observe the changes and give the reasons for the change.) | + | '''Do this activity at home''': About a cup of milk is taken in a vessel & kept for 1-2days. Similarly A lemon is cut into halves and kept for 2days.<br> After 2 days students will observe the changes and give the reasons for the change.)<br> |
| + | '''Evaluation Activity: CCE''' |
| + | #Visit nearby hospital and Collect information of common harmful diseases caused by bacteria.<br> |
| + | #Collect information and pictures about various uses of fermentation(in preparation of food , gober gas etc)<br> |
| + | |
| + | Refer this link . Print the worksheets for Evaluation.[http://www.yourfilezone.com/signup?sf=search_books&ref=4947201&q=worksheets+bacteria+pdf Worksheet for Bacteria]<br> |
| + | Refer this picture and prepare notes on harmful bacteria, their effects on human body[http://t2.gstatic.com/images?q=tbn:ANd9GcSdG85L1SRf5DY-ptAg3VrowS8dwS2Cq4iAXG9p9Wy4NltDqUtc2g] |
| | | |
| = Fun corner = | | = Fun corner = |