Difference between revisions of "Electromagnetic Radiation"

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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==
  
 
==Reference Books==
 
==Reference Books==

Revision as of 08:49, 2 June 2016

ಕನ್ನಡದಲ್ಲಿ ನೋಡಿ

The Story of Science

Philosophy of Science

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Error: Mind Map file ELECTRO-MAGNETIC RADIATION.mm not found



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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

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

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