Difference between revisions of "Electromagnetic Radiation"

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''[http://karnatakaeducation.org.in/KOER/index.php/ವಿದ್ಯುತ್ಕಾಂತೀಯ_ವಿಕಿರಣ ಕನ್ನಡದಲ್ಲಿ ನೋಡಿ]''</div>
 
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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 =
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[[File:ELECTRO-MAGNETIC RADIATION.mm|Flash]]
 
__FORCETOC__
 
__FORCETOC__
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= 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
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==Multimedia==
 +
 
 +
#Electro-magnetic Radiation
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{{#widget:YouTube|id=dzyPT7kxp8M}}
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#Radiation
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{{#widget:YouTube|id=4S-MevRKGZs}}
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#Waves
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{{#widget:YouTube|id=JppViHtLNlc}}
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# What is electromagnetic Wave?
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{{#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>
−
* '''Website interactives/ links/ simulations'''
+
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>
 +
'''Interactive Simulations on Radio Waves and Electromagnetic Waves'''
 +
[http://phet.colorado.edu/en/simulation/radio-waves '''Radio and Electromagnetic Waves''']
 
* '''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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                   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)'''

Latest revision as of 15:10, 17 May 2017

ಕನ್ನಡದಲ್ಲಿ ನೋಡಿ

The Story of Science

Philosophy of Science

Teaching of Science

Curriculum and Syllabus

Topics in School Science

Textbooks

Question Bank

While creating a resource page, please click here for a resource creation checklist

Concept Map

[maximize]


Textbook

To add textbook links, please follow these instructions to: (Click to create the subpage)

Additional information

Useful websites

  1. http://en.wikipedia.org/wiki/Electromagnetic_radiation
  2. http://chemwiki.ucdavis.edu/Physical_Chemistry/Spectroscopy/Fundamentals/Electromagnetic_Radiation Click here : Waves and charateristics
  3. http://en.wikipedia.org/wiki/Radiation#Notes_and_references Click here : About Radiation notes and references
  4. http://www.school-for-champions.com/science/electromagnetic_waves.htm#.U05YjGYvnzo -Electromagnetic Spectrum
  5. http://www.school-for-champions.com/science/light.htm -VisibleLight
  6. http://www.school-for-champions.com/science/xrays.htm -X-Rays

Multimedia

  1. Electro-magnetic Radiation

  1. Radiation

  1. Waves

  1. What is electromagnetic Wave?

Reference Books

Teaching Outlines

Concept # Introduction to Electromagnetic Radiation

Learning objectives

  1. Terms related to Wave Motion
  2. Terms related to Elcetromagnetic Wave
  3. Distinguish between Mechanical Wave and Electromagnetic wave

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.

Activity No # Electromagnetic Waves

  1. Play with a bar magnet and coils to learn about Faraday's law.
  2. Move a bar magnet near one or two coils to make a light bulb glow.
  3. View the magnetic field lines or use a meter to show the direction and magnitude of the current.
  4. Play with electromagnets, generators and transformers.
  • Estimated Time
  • Materials/ Resources needed
    Downloaded video, DVD player/ Computer and projector
  • Prerequisites/Instructions, if any
  • Multimedia resources

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


  • Website interactives/ links/ simulations

Interactive Simulations on Radio Waves and Electromagnetic Waves Radio and Electromagnetic Waves

  • Process (How to do the activity)
  • Developmental Questions (What discussion questions)
  • Evaluation (Questions for assessment of the child)
       Evaluation question 

             Questions:-Electromagnetic Spectrum 

                 What is the electromagnetic spectrum?

                 What are the characteristics of electromagnetic waves?

                 How are these waves created and detected?

Source:Electromagnetic Spectrum -School for Champions 

             Questions:-Visible Light 

                 How is visible light detected?

                 What are its main characteristics?

                 How is light created?

Source:Visible Light-School for Champions 

             Questions:-X-Rays 

                 How where x-rays discovered?

                 How are the created and detected?

                 How are x-rays used?

Source:X-Rays-School for Champions


  • Question Corner

Activity No 1#Explain Difference between electromagnetic waves and Mechanical Waves

  • Estimated Time
  • Materials/ Resources needed
    Downloaded video, DVD player/ Computer and projector
  • Prerequisites/Instructions, if any
  • Multimedia resources

This video explains about difference between electromagnetic waves and mechanical waves.How to transfer all energy from one place to another


Source:Youtube

  • Website interactives/ links/ simulations

Interactive simulations of electromagnetic wave
Wave on a string

  • Process (How to do the activity)
  • Developmental Questions (What discussion questions)
  • Evaluation (Questions for assessment of the child)
  • Question Corner

Concept #Properties and Ranges of Electromagnetic Waves

Learning objectives

  1. General Properties of Electromagnetic Waves
  2. Seven broad ranges of Electromagnetic Waves
  3. Method of producing different ranges of Electromagnetic Waves
  4. Recognize that visible light is a part of Electromagnetic Radiations
  5. Uses of Electromagnetic Waves

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.

Activity No 2# Producing of Waves

  1. Take about 30cm of Insulated copper wire
  2. Use the wire from an old transformer or motor
  3. Wind it around a pencil stick
  4. Pass current through the wire from a single pentorch cell
  5. A magnetic field is produced around the coil
  • Estimated Time
  • Materials/ Resources needed
  • Prerequisites/Instructions, if any
  • Multimedia resources


  • Website interactives/ links/ simulations
  • Process (How to do the activity)
  • Developmental Questions (What discussion questions)
  • Evaluation (Questions for assessment of the child)
  • Question Corner

Activity No 3# Electromagnetic Waves and Radiation

  • Estimated Time
  • Materials/ Resources needed
  • Prerequisites/Instructions, if any
  • Multimedia resources


  • Website interactives/ links/ simulations
  • Process (How to do the activity)
  • Developmental Questions (What discussion questions)
  • Evaluation (Questions for assessment of the child)
  • Question Corner

Project Ideas

Fun corner

Usage

Create a new page and type {{subst:Science-Content}} to use this template

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