2HVt Communication, speaker and microphones

• Techniek
• Middelbare school
• havo, vwo
• Leerjaar 2

Communication

Learning Objectives:

•    I can explain what communication is,

•    I can explain how sound travels by means of an intermediary,
•    I can explain how a speaker and a microphone work,
•    I can explain what acoustic short circuits are.

What comes to mind when thinking of communication?

What is communication?

1. Exchange of information or ideas
2. A scientific experiment
3. Talking, nothing else
4. A method of cooking

What does a microphone do?

1. Converts sound into electrical signals
2. Transmits radio signals
3. Amplifies sound waves
4. Records video footage

What is an acoustic short circuit?

1. A method of sound amplification
2. A type of electrical circuit
3. A type of sound insulation
4. Sound bypassing intended pathways

What does a speaker do?

1. Measures sound intensity
2. Converts electrical signals into sound
3. Records sound waves
4. Filters sound frequencies

What is the main difference between a speaker and a microphone?

1. A speaker captures sound, a microphone produces sound
2. A speaker converts electrical signals into sound, a microphone does the reverse
3. Both devices work the same way
4. There is no difference between a speaker and a microphone

What did you learn?

To what extent have you achieved the learning objectives?

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