Complete each of the. following sentences by choosing the correct term from the word bank.
loudness, echoes, pitch, noise, solids, sound quality, vibrations, wavelength frequency, wave, vacuum, amplitude, lesser, infrasonics, ultrasonics
Sound cannot travel through __ .

Explanation

To complete the sentence "Sound cannot travel through __," we need to analyze the properties of sound.

1. **Understanding Sound**: Sound is a type of mechanical wave. This means it requires a medium (like air, water, or solids) to propagate.

2. **Identifying the Medium**: Since sound needs a medium to travel, we need to identify what does not qualify as a medium.

3. **Definition of Vacuum**: A vacuum is defined as a space devoid of matter, meaning there are no particles to transmit sound waves.

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