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| + | <div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#ffffff; vertical-align:top; text-align:center; padding:5px;"> |
| + | ''[http://karnatakaeducation.org.in/KOER/index.php/ವಿದ್ಯುತ್ಕಾಂತೀಯ_ವಿಕಿರಣ ಕನ್ನಡದಲ್ಲಿ ನೋಡಿ]''</div> |
| <!-- This portal was created using subst:box portal skeleton --> | | <!-- This portal was created using subst:box portal skeleton --> |
| <!-- BANNER ACROSS TOP OF PAGE --> | | <!-- BANNER ACROSS TOP OF PAGE --> |
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| 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 = |
| + | [[File:ELECTRO-MAGNETIC RADIATION.mm|Flash]] |
| __FORCETOC__ | | __FORCETOC__ |
| + | |
| = Textbook = | | = Textbook = |
| To add textbook links, please follow these instructions to: | | To add textbook links, please follow these instructions to: |
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| # http://www.school-for-champions.com/science/light.htm -VisibleLight | | # http://www.school-for-champions.com/science/light.htm -VisibleLight |
| # http://www.school-for-champions.com/science/xrays.htm -X-Rays | | # http://www.school-for-champions.com/science/xrays.htm -X-Rays |
| + | |
| + | ==Multimedia== |
| + | |
| + | #Electro-magnetic Radiation |
| + | {{#widget:YouTube|id=dzyPT7kxp8M}} |
| + | |
| + | #Radiation |
| + | {{#widget:YouTube|id=4S-MevRKGZs}} |
| + | |
| + | #Waves |
| + | {{#widget:YouTube|id=JppViHtLNlc}} |
| + | |
| + | # What is electromagnetic Wave? |
| + | {{#widget:YouTube|id=RmZhGomwzFc}} |
| | | |
| ==Reference Books== | | ==Reference Books== |
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| #Terms related to Elcetromagnetic Wave | | #Terms related to Elcetromagnetic Wave |
| #Distinguish between Mechanical Wave and Electromagnetic wave | | #Distinguish between Mechanical Wave and Electromagnetic wave |
− | #General Properties of Electromagnetic Waves
| + | |
− | #Seven broad ranges of Electromagnetic Waves
| |
− | #Method of producing different ranges of Electromagnetic Waves
| |
− | #Recognize that visible light is a part of Electromagnetic Radiations
| |
− | #Uses of Electromagnetic Waves
| |
| ===Notes for teachers=== | | ===Notes for teachers=== |
| ''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.'' | | ''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.'' |
− | ===Activity No # === | + | ===Activity No # '''Electromagnetic Waves'''=== |
| #Play with a bar magnet and coils to learn about Faraday's law.<br> | | #Play with a bar magnet and coils to learn about Faraday's law.<br> |
| #Move a bar magnet near one or two coils to make a light bulb glow.<br> | | #Move a bar magnet near one or two coils to make a light bulb glow.<br> |
| #View the magnetic field lines or use a meter to show the direction and magnitude of the current.<br> | | #View the magnetic field lines or use a meter to show the direction and magnitude of the current.<br> |
| #Play with electromagnets, generators and transformers. | | #Play with electromagnets, generators and transformers. |
− |
| |
| | | |
| {| style="height:10px; float:right; align:center;" | | {| style="height:10px; float:right; align:center;" |
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| |} | | |} |
| * '''Estimated Time''' | | * '''Estimated Time''' |
− | * '''Materials/ Resources needed''' | + | * '''Materials/ Resources needed'''<br>Downloaded video, DVD player/ Computer and projector<br> |
| * '''Prerequisites/Instructions, if any''' | | * '''Prerequisites/Instructions, if any''' |
− | * '''Multimedia resources''' | + | * '''Multimedia resources'''<br> |
| + | This video explains about electromagnetic waves |
| + | Electromagnetic radiation is self sustaining energy with electric and magnetic field components. |
| + | It is commonly referred to as 'light' also known As: light, EMR, EM radiation, electromagnetic waves<br> |
| + | <br> |
| + | {{#widget:YouTube|id=xZ6XUk7QLbU}}<br> |
| * '''Website interactives/ links/ simulations'''<br> | | * '''Website interactives/ links/ simulations'''<br> |
| '''Interactive Simulations on Radio Waves and Electromagnetic Waves''' | | '''Interactive Simulations on Radio Waves and Electromagnetic Waves''' |
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| What are the characteristics of electromagnetic waves?<br> | | What are the characteristics of electromagnetic waves?<br> |
| How are these waves created and detected?<br> | | How are these waves created and detected?<br> |
| + | |
| + | Source:[http://www.school-for-champions.com/science/electromagnetic_waves.htm#.U05YjGYvnzo Electromagnetic Spectrum -School for Champions] |
| | | |
| '''Questions:-Visible Light''' | | '''Questions:-Visible Light''' |
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| What are its main characteristics?<br> | | What are its main characteristics?<br> |
| How is light created?<br> | | How is light created?<br> |
| + | |
| + | Source:[http://www.school-for-champions.com/science/light.htm Visible Light-School for Champions] |
| | | |
| '''Questions:-X-Rays''' | | '''Questions:-X-Rays''' |
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| How are x-rays used?<br> | | How are x-rays used?<br> |
| | | |
| + | Source:[http://www.school-for-champions.com/science/xrays.htm X-Rays-School for Champions] |
| | | |
| | | |
| * '''Question Corner''' | | * '''Question Corner''' |
| | | |
− | ===Activity No # === | + | ===Activity No 1#'''Explain Difference between electromagnetic waves and Mechanical Waves''' === |
| + | |
| {| style="height:10px; float:right; align:center;" | | {| style="height:10px; float:right; align:center;" |
| |<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;"> |
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| |} | | |} |
| * '''Estimated Time''' | | * '''Estimated Time''' |
− | * '''Materials/ Resources needed''' | + | * '''Materials/ Resources needed'''<br>Downloaded video, DVD player/ Computer and projector<br> |
| * '''Prerequisites/Instructions, if any''' | | * '''Prerequisites/Instructions, if any''' |
− | * '''Multimedia resources''' | + | * '''Multimedia resources'''<br> |
− | * '''Website interactives/ links/ simulations''' | + | This video explains about difference between electromagnetic waves and mechanical waves.How to transfer all energy from one place to another<br> |
| + | <br> |
| + | {{#widget:YouTube|id=997iDD6Fu0A}}<br> |
| + | Source:Youtube<br> |
| + | * '''Website interactives/ links/ simulations'''<br> |
| + | '''Interactive simulations of electromagnetic wave'''<br> |
| + | [http://phet.colorado.edu/en/simulation/wave-on-a-string Wave on a string]<br> |
| + | |
| * '''Process (How to do the activity)''' | | * '''Process (How to do the activity)''' |
| * '''Developmental Questions (What discussion questions)''' | | * '''Developmental Questions (What discussion questions)''' |
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| * '''Question Corner''' | | * '''Question Corner''' |
| | | |
− | ==Concept #== | + | ==Concept #'''Properties and Ranges of Electromagnetic Waves''' == |
| ===Learning objectives=== | | ===Learning objectives=== |
| + | #General Properties of Electromagnetic Waves |
| + | #Seven broad ranges of Electromagnetic Waves |
| + | #Method of producing different ranges of Electromagnetic Waves |
| + | #Recognize that visible light is a part of Electromagnetic Radiations |
| + | #Uses of Electromagnetic Waves |
| + | |
| ===Notes for teachers=== | | ===Notes for teachers=== |
| ''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.'' | | ''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.'' |
− | ===Activity No # === | + | ===Activity No 2# Producing of Waves=== |
| + | #Take about 30cm of Insulated copper wire |
| + | #Use the wire from an old transformer or motor |
| + | #Wind it around a pencil stick |
| + | #Pass current through the wire from a single pentorch cell |
| + | #A magnetic field is produced around the coil<br> |
| {| style="height:10px; float:right; align:center;" | | {| style="height:10px; float:right; align:center;" |
| |<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;"> |
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| * '''Materials/ Resources needed''' | | * '''Materials/ Resources needed''' |
| * '''Prerequisites/Instructions, if any''' | | * '''Prerequisites/Instructions, if any''' |
− | * '''Multimedia resources''' | + | * '''Multimedia resources'''<br> |
| + | {{#widget:YouTube|id=VrZr4g3hYnE}}<br> |
| * '''Website interactives/ links/ simulations''' | | * '''Website interactives/ links/ simulations''' |
| * '''Process (How to do the activity)''' | | * '''Process (How to do the activity)''' |
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| * '''Question Corner''' | | * '''Question Corner''' |
| | | |
− | | + | ===Activity No 3# '''Electromagnetic Waves and Radiation'''=== |
− | ===Activity No # === | |
| {| style="height:10px; float:right; align:center;" | | {| style="height:10px; float:right; align:center;" |
| |<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;"> |
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| * '''Materials/ Resources needed''' | | * '''Materials/ Resources needed''' |
| * '''Prerequisites/Instructions, if any''' | | * '''Prerequisites/Instructions, if any''' |
− | * '''Multimedia resources''' | + | * '''Multimedia resources'''<br> |
| + | {{#widget:YouTube|id=soRNMEnNHFk}}<br> |
| * '''Website interactives/ links/ simulations''' | | * '''Website interactives/ links/ simulations''' |
| * '''Process (How to do the activity)''' | | * '''Process (How to do the activity)''' |