Difference between revisions of "Electromagnetic Radiation"
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===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> | ||
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* '''Prerequisites/Instructions, if any''' | * '''Prerequisites/Instructions, if any''' | ||
* '''Multimedia resources'''<br> | * '''Multimedia resources'''<br> | ||
| − | + | <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''' | ||
Revision as of 16:41, 3 June 2014
| Philosophy of Science |
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Concept Map
Textbook
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Additional information
Useful websites
- http://en.wikipedia.org/wiki/Electromagnetic_radiation
- http://chemwiki.ucdavis.edu/Physical_Chemistry/Spectroscopy/Fundamentals/Electromagnetic_Radiation Click here : Waves and charateristics
- http://en.wikipedia.org/wiki/Radiation#Notes_and_references Click here : About Radiation notes and references
- http://www.school-for-champions.com/science/electromagnetic_waves.htm#.U05YjGYvnzo -Electromagnetic Spectrum
- http://www.school-for-champions.com/science/light.htm -VisibleLight
- http://www.school-for-champions.com/science/xrays.htm -X-Rays
Reference Books
- Refer 9th standard Science TamilNadu textbook from the following link page no 255- 340 Click here
Teaching Outlines
Concept # Introduction to Electromagnetic Radiation
Learning objectives
- Terms related to Wave Motion
- Terms related to Elcetromagnetic 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
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
- Play with a bar magnet and coils to learn about Faraday's law.
- Move a bar magnet near one or two coils to make a light bulb glow.
- View the magnetic field lines or use a meter to show the direction and magnitude of the current.
- Play with electromagnets, generators and transformers.
- Estimated Time
- Materials/ Resources needed
- 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?
Questions:-Visible Light
How is visible light detected?
What are its main characteristics?
How is light created?
Questions:-X-Rays
How where x-rays discovered?
How are the created and detected?
How are x-rays used?
- Question Corner
Activity No 1#Explain Difference between electromagnetic waves and Mechanical Waves
- Estimated Time
- Materials/ Resources needed
- 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
<br
- Website interactives/ links/ simulations
- Process (How to do the activity)
- Developmental Questions (What discussion questions)
- Evaluation (Questions for assessment of the child)
- Question Corner
Concept #
Learning objectives
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 #
- 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 #
- 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
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