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Questions and Answers
What is the type of energy that sound is a form of?
What is the type of energy that sound is a form of?
- Thermal
- Mechanical (correct)
- Electromagnetic
- Kinetic
What happens when a guitar string vibrates?
What happens when a guitar string vibrates?
- It absorbs molecules
- It attracts molecules
- It pushes molecules together (correct)
- It repels molecules
What is the term for the area of low pressure in a sound wave?
What is the term for the area of low pressure in a sound wave?
- Compression
- Reflection
- Rarefaction (correct)
- Refraction
What happens to the molecules when a guitar string moves in the opposite direction?
What happens to the molecules when a guitar string moves in the opposite direction?
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What is a characteristic of a sound wave?
What is a characteristic of a sound wave?
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Study Notes
Sound Waves
- Sound is a form of energy that vibrates and travels in waves, similar to light.
- When an object vibrates, such as a guitar string, it pushes molecules together, creating an area of high pressure.
- This high-pressure area is known as the compression part of a sound wave.
- As the vibrating object moves in the opposite direction, it creates an area of low pressure where the molecules are not pushed together, forming the rarefaction part of the wave.
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