# Concept Map

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# Textbook

## Useful websites

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. Waves

1. What is electromagnetic Wave?

# 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
• 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

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?
```

Source:X-Rays-School for Champions

• 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

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

• 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